74 Series ICs

7400 series TTL IC’s

7400

Quad 2-input NAND gates.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | 1 |
 2A |4  7400 11| /4Y         | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

7401

Quad 2-input open-collector NAND gates.

    +---+--+---+             +---+---*---+           __
/1Y |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1A |2       13| /4Y         +===+===*===+
 1B |3       12| 4B          | 0 | 0 | Z |
/2Y |4  7401 11| 4A          | 0 | 1 | Z |
 2A |5       10| /3Y         | 1 | 0 | Z |
 2B |6        9| 3B          | 1 | 1 | 0 |
GND |7        8| 3A          +---+---*---+
    +----------+

7402

Quad 2-input NOR gates.

    +---+--+---+             +---+---*---+           ___
/1Y |1  +--+ 14| VCC         | A | B |/Y |      /Y = A+B
 1A |2       13| /4Y         +===+===*===+
 1B |3       12| 4B          | 0 | 0 | 1 |
/2Y |4  7402 11| 4A          | 0 | 1 | 0 |
 2A |5       10| /3Y         | 1 | 0 | 0 |
 2B |6        9| 3B          | 1 | 1 | 0 |
GND |7        8| 3A          +---+---*---+
    +----------+

7403

Quad 2-input open-collector NAND gates.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | Z |
 2A |4  7403 11| /4Y         | 0 | 1 | Z |
 2B |5       10| 3B          | 1 | 0 | Z |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

7404

Hex inverters.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3       12| /6Y         | 0 | 1 |
/2Y |4  7404 11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

7405

Hex open-collector inverters.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3       12| /6Y         | 0 | Z |
/2Y |4  7405 11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

7406

Hex open-collector high-voltage inverters.
Maximum output voltage is 30V.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3       12| /6Y         | 0 | Z |
/2Y |4  7406 11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

7407

Hex open-collector high-voltage buffers.
Maximum output voltage is 30V.

    +---+--+---+             +---*---+
 1A |1  +--+ 14| VCC         | A | Y |           Y = A
 1Y |2       13| 6A          +===*===+
 2A |3       12| 6Y          | 0 | 0 |
 2Y |4  7407 11| 5A          | 1 | Z |
 3A |5       10| 5Y          +---*---+
 3Y |6        9| 4A
GND |7        8| 4Y
    +----------+

7408

Quad 2-input AND gates.

    +---+--+---+             +---+---*---+
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = AB
 1B |2       13| 4B          +===+===*===+
 1Y |3       12| 4A          | 0 | 0 | 0 |
 2A |4  7408 11| 4Y          | 0 | 1 | 0 |
 2B |5       10| 3B          | 1 | 0 | 0 |
 2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| 3Y          +---+---*---+
    +----------+

7409

Quad 2-input open-collector AND gates.

    +---+--+---+             +---+---*---+
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = AB
 1B |2       13| 4B          +===+===*===+
 1Y |3       12| 4A          | 0 | 0 | 0 |
 2A |4  7409 11| 4Y          | 0 | 1 | 0 |
 2B |5       10| 3B          | 1 | 0 | 0 |
 2Y |6        9| 3A          | 1 | 1 | Z |
GND |7        8| 3Y          +---+---*---+
    +----------+

7410

Triple 3-input NAND gates.

    +---+--+---+             +---+---+---*---+       ___
 1A |1  +--+ 14| VCC         | A | B | C |/Y |  /Y = ABC
 1B |2       13| 1C          +===+===+===*===+
 2A |3       12| /1Y         | 0 | X | X | 1 |
 2B |4  7410 11| 3C          | 1 | 0 | X | 1 |
 2C |5       10| 3B          | 1 | 1 | 0 | 1 |
/2Y |6        9| 3A          | 1 | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---+---*---+
    +----------+

7411

Triple 3-input AND gates.

    +---+--+---+             +---+---+---*---+
 1A |1  +--+ 14| VCC         | A | B | C | Y |   Y = ABC
 1B |2       13| 1C          +===+===+===*===+
 2A |3       12| 1Y          | 0 | X | X | 0 |
 2B |4  7411 11| 3C          | 1 | 0 | X | 0 |
 2C |5       10| 3B          | 1 | 1 | 0 | 0 |
 2Y |6        9| 3A          | 1 | 1 | 1 | 1 |
GND |7        8| 3Y          +---+---+---*---+
    +----------+

7412

Triple 3-input open-collector NAND gates.

    +---+--+---+             +---+---+---*---+       ___
 1A |1  +--+ 14| VCC         | A | B | C |/Y |  /Y = ABC
 1B |2       13| 1C          +===+===+===*===+
 2A |3       12| /1Y         | 0 | X | X | Z |
 2B |4  7410 11| 3C          | 1 | 0 | X | Z |
 2C |5       10| 3B          | 1 | 1 | 0 | Z |
/2Y |6        9| 3A          | 1 | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---+---*---+
    +----------+

7413

Dual 4-input NAND gates with schmitt-trigger inputs.
0.8V typical input hysteresis at VCC=+5V.

    +---+--+---+             +---+---+---+---*---+        ____
 1A |1  +--+ 14| VCC         | A | B | C | D |/Y |   /Y = ABCD
 1B |2       13| 2D          +===+===+===+===*===+
    |3       12| 2C          | 0 | X | X | X | 1 |
 1C |4  7413 11|             | 1 | 0 | X | X | 1 |
 1D |5       10| 2B          | 1 | 1 | 0 | X | 1 |
/1Y |6        9| 2A          | 1 | 1 | 1 | 0 | 1 |
GND |7        8| /2Y         | 1 | 1 | 1 | 1 | 0 |
    +----------+             +---+---+---+---*---+

7414

Hex inverters with schmitt-trigger inputs.
0.8V typical input hysteresis at VCC=+5V.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3       12| /6Y         | 0 | 1 |
/2Y |4  7414 11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

7415

Triple 3-input open-collector AND gates.

    +---+--+---+             +---+---+---*---+
 1A |1  +--+ 14| VCC         | A | B | C | Y |   Y = ABC
 1B |2       13| 1C          +===+===+===*===+
 2A |3       12| 1Y          | 0 | X | X | 0 |
 2B |4  7415 11| 3C          | 1 | 0 | X | 0 |
 2C |5       10| 3B          | 1 | 1 | 0 | 0 |
 2Y |6        9| 3A          | 1 | 1 | 1 | Z |
GND |7        8| 3Y          +---+---+---*---+
    +----------+

7416

Hex open-collector high-voltage inverters.
Maximum output voltage is 15V.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3       12| /6Y         | 0 | Z |
/2Y |4  7416 11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

7417

Hex open-collector high-voltage buffers.
Maximum output voltage is 15V.

    +---+--+---+             +---*---+
 1A |1  +--+ 14| VCC         | A | Y |          Y = A
 1Y |2       13| 6A          +===*===+
 2A |3       12| 6Y          | 0 | 0 |
 2Y |4  7417 11| 5A          | 1 | Z |
 3A |5       10| 5Y          +---*---+
 3Y |6        9| 4A
GND |7        8| 4Y
    +----------+

7418

Dual 4-input NAND gates with schmitt-trigger inputs.
0.8V typical input hysteresis at VCC=+5V.

    +---+--+---+             +---+---+---+---*---+        ____
 1A |1  +--+ 14| VCC         | A | B | C | D |/Y |   /Y = ABCD
 1B |2       13| 2D          +===+===+===+===*===+
    |3       12| 2C          | 0 | X | X | X | 1 |
 1C |4  7418 11|             | 1 | 0 | X | X | 1 |
 1D |5       10| 2B          | 1 | 1 | 0 | X | 1 |
/1Y |6        9| 2A          | 1 | 1 | 1 | 0 | 1 |
GND |7        8| /2Y         | 1 | 1 | 1 | 1 | 0 |
    +----------+             +---+---+---+---*---+

7419

Hex inverters with schmitt-trigger line-receiver inputs.
0.8V typical input hysteresis at VCC=+5V.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3       12| /6Y         | 0 | 1 |
/2Y |4  7414 11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

7420

Dual 4-input NAND gates.

    +---+--+---+             +---+---+---+---*---+        ____
 1A |1  +--+ 14| VCC         | A | B | C | D |/Y |   /Y = ABCD
 1B |2       13| 2D          +===+===+===+===*===+
    |3       12| 2C          | 0 | X | X | X | 1 |
 1C |4  7420 11|             | 1 | 0 | X | X | 1 |
 1D |5       10| 2B          | 1 | 1 | 0 | X | 1 |
/1Y |6        9| 2A          | 1 | 1 | 1 | 0 | 1 |
GND |7        8| /2Y         | 1 | 1 | 1 | 1 | 0 |
    +----------+             +---+---+---+---*---+

7421

Dual 4-input AND gates.

    +---+--+---+             +---+---+---+---*---+
 1A |1  +--+ 14| VCC         | A | B | C | D | Y |    Y = ABCD
 1B |2       13| 2D          +===+===+===+===*===+
    |3       12| 2C          | 0 | X | X | X | 0 |
 1C |4  7421 11|             | 1 | 0 | X | X | 0 |
 1D |5       10| 2B          | 1 | 1 | 0 | X | 0 |
 1Y |6        9| 2A          | 1 | 1 | 1 | 0 | 0 |
GND |7        8| 2Y          | 1 | 1 | 1 | 1 | 1 |
    +----------+             +---+---+---+---*---+

7422

Dual 4-input open-collector NAND gates.

    +---+--+---+             +---+---+---+---*---+        ____
 1A |1  +--+ 14| VCC         | A | B | C | D |/Y |   /Y = ABCD
 1B |2       13| 2D          +===+===+===+===*===+
    |3       12| 2C          | 0 | X | X | X | Z |
 1C |4  7422 11|             | 1 | 0 | X | X | Z |
 1D |5       10| 2B          | 1 | 1 | 0 | X | Z |
/1Y |6        9| 2A          | 1 | 1 | 1 | 0 | Z |
GND |7        8| /2Y         | 1 | 1 | 1 | 1 | 0 |
    +----------+             +---+---+---+---*---+

7424

Quad 2-input NAND gates with schmitt-trigger line-receiver inputs.
0.8V typical input hysteresis at VCC=+5V.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | 1 |
 2A |4  7424 11| /4Y         | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

7425

Dual 4-input NOR gates with enable input.

    +---+--+---+                 __________
 1A |1  +--+ 14| VCC         Y = G(A+B+C+D)
 1B |2       13| 2D
 1G |3       12| 2C
 1C |4  7425 11| 2G
 1D |5       10| 2B
/1Y |6        9| 2A
GND |7        8| /2Y
    +----------+

7426

Quad 2-input open-collector high-voltage NAND gates.
Maximum output voltage is 15V.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | Z |
 2A |4  7426 11| /4Y         | 0 | 1 | Z |
 2B |5       10| 3B          | 1 | 0 | Z |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

7427

Triple 3-input NOR gates.

    +---+--+---+             +---+---+---*---+       _____
 1A |1  +--+ 14| VCC         | A | B | C |/Y |  /Y = A+B+C
 1B |2       13| 1C          +===+===+===*===+
 2A |3       12| /1Y         | 0 | 0 | 0 | 1 |
 2B |4  7427 11| 3C          | 0 | 0 | 1 | 0 |
 2C |5       10| 3B          | 0 | 1 | X | 0 |
/2Y |6        9| 3A          | 1 | X | X | 0 |
GND |7        8| /3Y         +---+---+---*---+
    +----------+

7428

Quad 2-input NOR gates with buffered outputs.

    +---+--+---+             +---+---*---+           ___
/1Y |1  +--+ 14| VCC         | A | B |/Y |      /Y = A+B
 1A |2       13| /4Y         +===+===*===+
 1B |3       12| 4B          | 0 | 0 | 1 |
/2Y |4  7428 11| 4A          | 0 | 1 | 0 |
 2A |5       10| /3Y         | 1 | 0 | 0 |
 2B |6        9| 3B          | 1 | 1 | 0 |
GND |7        8| 3A          +---+---*---+
    +----------+

7430

8-input NAND gate.

    +---+--+---+                 ________
  A |1  +--+ 14| VCC        /Y = ABCDEFGH
  B |2       13|
  C |3       12| H
  D |4  7430 11| G
  E |5       10|
  F |6        9|
GND |7        8| /Y
    +----------+

7431

Hex delay elements.
Typical delays are 27.5ns (1,6), 46.5ns (2,5), 6ns (3,4). Improved output currents IoH=-1.2mA, IoL=24mA for gates 3 and 4.

    +---+--+---+                 _            _____
 1A |1  +--+ 16| VCC        /1Y=1A        /4Y=4A.4B
/1Y |2       15| 6A
 2A |3       14| /6Y         2Y=2A         5Y=5A
 2Y |4       13| 5A             _____          _
 3A |5  7431 12| 5Y         /3Y=3A.3B     /6Y=6A
 3B |6       11| 4B
/3Y |7       10| 4A
GND |8        9| /4Y
    +----------+

7432

Quad 2-input OR gates.

    +---+--+---+             +---+---*---+
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A+B
 1B |2       13| 4B          +===+===*===+
 1Y |3       12| 4A          | 0 | 0 | 0 |
 2A |4  7432 11| 4Y          | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
 2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| 3Y          +---+---*---+
    +----------+

7433

Quad 2-input open-collector NOR gates.

    +---+--+---+             +---+---*---+           ___
/1Y |1  +--+ 14| VCC         | A | B |/Y |      /Y = A+B
 1A |2       13| /4Y         +===+===*===+
 1B |3       12| 4B          | 0 | 0 | Z |
/2Y |4  7433 11| 4A          | 0 | 1 | 0 |
 2A |5       10| /3Y         | 1 | 0 | 0 |
 2B |6        9| 3B          | 1 | 1 | 0 |
GND |7        8| 3A          +---+---*---+
    +----------+

7437

Quad 2-input NAND gates with buffered output.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | 1 |
 2A |4  7437 11| /4Y         | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

7438

Quad 2-input open-collector NAND gates with buffered output.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | Z |
 2A |4  7438 11| /4Y         | 0 | 1 | Z |
 2B |5       10| 3B          | 1 | 0 | Z |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

7440

Dual 4-input NAND gates with buffered output.

    +---+--+---+             +---+---+---+---*---+        ____
 1A |1  +--+ 14| VCC         | A | B | C | D |/Y |   /Y = ABCD
 1B |2       13| 2D          +===+===+===+===*===+
    |3       12| 2C          | 0 | X | X | X | 1 |
 1C |4  7440 11|             | 1 | 0 | X | X | 1 |
 1D |5       10| 2B          | 1 | 1 | 0 | X | 1 |
/1Y |6        9| 2A          | 1 | 1 | 1 | 0 | 1 |
GND |7        8| /2Y         | 1 | 1 | 1 | 1 | 0 |
    +----------+             +---+---+---+---*---+

7442

1-of-10 inverting decoder/demultiplexer.

    +---+--+---+             +---+---+---+---*---+---+---+---+
/Y0 |1  +--+ 16| VCC         | S3| S2| S1| S0|/Y0|/Y1|...|/Y9|
/Y1 |2       15| S0          +===+===+===+===*===+===+===+===+
/Y2 |3       14| S1          | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
/Y3 |4       13| S2          | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
/Y4 |5  7442 12| S3          | . | . | . | . | 1 | 1 | . | 1 |
/Y5 |6       11| /Y9         | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 |
/Y6 |7       10| /Y8         | 1 | 0 | 1 | X | 1 | 1 | 1 | 1 |
GND |8        9| /Y7         | 1 | 1 | X | X | 1 | 1 | 1 | 1 |
    +----------+             +---+---+---+---*---+---+---+---+

7446, 7447

Open-collector BCD to 7-segment decoder/common-anode LED driver with ripple blank input and output.
7446 has 30V outputs, 7447 has 15V outputs.

     +---+--+---+
  A1 |1  +--+ 16| VCC
  A2 |2       15| /YF
 /LT |3       14| /YG
/RBO |4       13| /YA
/RBI |5  7447 12| /YB
  A3 |6       11| /YC
  A0 |7       10| /YD
 GND |8        9| /YE
     +----------+

7448

BCD to 7-segment decoder/common-cathode LED driver with ripple blank input and output.

     +---+--+---+
  A1 |1  +--+ 16| VCC
  A2 |2       15| YF
 /LT |3       14| YG
/RBO |4       13| YA
/RBI |5  7448 12| YB
  A3 |6       11| YC
  A0 |7       10| YD
 GND |8        9| YE
     +----------+

7451

2-wide 2-input and 2-wide 3-input AND-NOR gates.

    +---+--+---+                  _____________________
 1A |1  +--+ 14| VCC        /1Y = (1A.1B.1C)+(1D.1E.1F)
 2A |2       13| 1B
 2B |3       12| 1C               _______________
 2C |4  7451 11| 1D         /2Y = (2A.2B)+(2C.2D)
 2D |5       10| 1E
/2Y |6        9| 1F
GND |7        8| /1Y
    +----------+

7454

4-wide 2/3-input AND-NOR gate.

    +---+--+---+                 ___________________________
  A |1  +--+ 14| VCC        /Y = (A.B)+(C.D.E)+(F.G.H)+(J.K)
  B |2       13| K
  C |3       12| J
  D |4  7454 11| H
  E |5       10| G
 /Y |6        9| F
GND |7        8|
    +----------+

7455

2-wide 4-input AND-NOR gate.

    +---+--+---+                 ___________________
  A |1  +--+ 14| VCC        /Y = (A.B.C.D)+(E.F.G.H)
  B |2       13| H
  C |3       12| G
  D |4  7455 11| F
    |5       10| E
    |6        9|
GND |7        8| /Y
    +----------+

7457

Frequency divider.
Can generate one second timing pulses from 60 Hz. Two ’57 devices may be interconnected to give frequency division of 3600 to 1, 1800 to 1, 900 to 1, etc. Features a reset pin that is common to all three counters.

     +---+--+---+
CLKB |1  +--+  8| QC
 VCC |2        7| QB
  QA |3  7457  6| RST
 GND |4        5| CLKA
     +----------+

7458

2-wide 2-input and 2-wide 3-input AND-OR gates.

    +---+--+---+
 1A |1  +--+ 14| VCC         1Y = (1A.1B.1C)+(1D.1E.1F)
 2A |2       13| 1B
 2B |3       12| 1C
 2C |4  7458 11| 1D          2Y = (2A.2B)+(2C.2D)
 2D |5       10| 1E
 2Y |6        9| 1F
GND |7        8| 1Y
    +----------+

7472

J-K flip-flop with triple ANDed J an K inputs, set and reset.

     +---+--+---+            +--------+--------+---+----+----*---+---+
     |1  +--+ 14| VCC        |J1.J2.J3|K1.K2.K3|CLK|/SET|/RST| Q |/Q |
/RST |2       13| /SET       +========+========+===+====+====*===+===+
  J1 |3       12| CLK        |    X   |    X   | X |  0 |  0 | ? | ? |
  J2 |4  7472 11| K3         |    X   |    X   | X |  0 |  1 | 1 | 0 |
  J3 |5       10| K2         |    X   |    X   | X |  1 |  0 | 0 | 1 |
  /Q |6        9| K1         |    0   |    0   | / |  1 |  1 | - | - |
 GND |7        8| Q          |    0   |    1   | / |  1 |  1 | 0 | 1 |
     +----------+            |    1   |    0   | / |  1 |  1 | 1 | 0 |
                             |    1   |    1   | / |  1 |  1 |/Q | Q |
                             |    X   |    X   |!/ |  1 |  1 | - | - |
                             +--------+--------+---+----+----*---+---+

7473

Dual positive-edge-triggered J-K flip-flop with reset.

      +---+--+---+           +---+---+----+----*---+---+
/1CLK |1  +--+ 14| 1J        | J | K |/CLK|/RST| Q |/Q |
/1RST |2       13| /1Q       +===+===+====+====*===+===+
   1K |3       12| 1Q        | X | X |  X |  0 | 0 | 1 |
  VCC |4  7473 11| GND       | 0 | 0 |  \ |  1 | - | - |
/2CLK |5       10| 2K        | 0 | 1 |  \ |  1 | 0 | 1 |
/2RST |6        9| 2Q        | 1 | 0 |  \ |  1 | 1 | 0 |
   2J |7        8| /2Q       | 1 | 1 |  \ |  1 |/Q | Q |
      +----------+           | X | X | !\ |  1 | - | - |
                             +---+---+----+----*---+---+

7474

Dual D flip-flop with set and reset.

      +---+--+---+           +---+---+----+----*---+---+
/1RST |1  +--+ 14| VCC       | D |CLK|/SET|/RST| Q |/Q |
   1D |2       13| /2RST     +===+===+====+====*===+===+
 1CLK |3       12| 2D        | X | X |  0 |  0 | 1 | 1 |
/1SET |4  7474 11| 2CLK      | X | X |  0 |  1 | 1 | 0 |
   1Q |5       10| /2SET     | X | X |  1 |  0 | 0 | 1 |
  /1Q |6        9| 2Q        | 0 | / |  1 |  1 | 0 | 1 |
  GND |7        8| /2Q       | 1 | / |  1 |  1 | 1 | 0 |
      +----------+           | X |!/ |  1 |  1 | - | - |
                             +---+---+----+----*---+---+

7475

Dual 2-bit transparent latches with complementary outputs.

     +---+--+---+
/1Q1 |1  +--+ 16| 1Q1
 1D1 |2       15| 1Q2
 1D2 |3       14| /1Q2
 2LE |4       13| 1LE
 VCC |5  7475 12| GND
 2D1 |6       11| /2Q1
 2D2 |7       10| 2Q1
/2Q2 |8        9| 2Q2
     +----------+

7476

Dual J-K flip-flops with set and reset.

      +---+--+---+           +---+---+---+----+----*---+---+
 1CLK |1  +--+ 16| 1K        | J | K |CLK|/SET|/RST| Q |/Q |
/1SET |2       15| 1Q        +===+===+===+====+====*===+===+
/1RST |3       14| /1Q       | X | X | X |  0 |  0 | 0 | 0 |
   1J |4       13| GND       | X | X | X |  0 |  1 | 1 | 0 |
  VCC |5  7476 12| 2K        | X | X | X |  1 |  0 | 0 | 1 |
 2CLK |6       11| 2Q        | 0 | 0 | / |  1 |  1 | - | - |
/2SET |7       10| /2Q       | 0 | 1 | / |  1 |  1 | 0 | 1 |
/2RST |8        9| 2J        | 1 | 0 | / |  1 |  1 | 1 | 0 |
      +----------+           | 1 | 1 | / |  1 |  1 |/Q | Q |
                             | X | X |!/ |  1 |  1 | - | - |
                             +---+---+---+----+----*---+---+

7478

Dual negative-edge-triggered J-K flip-flops with common clock, set and common reset.

      +---+--+---+           +---+---+----+----+----*---+---+
 /CLK |1  +--+ 14| 1K        | J | K |/CLK|/SET|/RST| Q |/Q |
/1SET |2       13| 1Q        +===+===+====+====+====*===+===+
   1J |3       12| /1Q       | X | X |  X |  0 |  0 | ? | ? |
  VCC |4  7478 11| GND       | X | X |  X |  0 |  1 | 1 | 0 |
 /RST |5       10| 2J        | X | X |  X |  1 |  0 | 0 | 1 |
/2SET |6        9| /2Q       | 0 | 0 |  \ |  1 |  1 | - | - |
   2K |7        8| 2Q        | 0 | 1 |  \ |  1 |  1 | 0 | 1 |
      +----------+           | 1 | 0 |  \ |  1 |  1 | 1 | 0 |
                             | 1 | 1 |  \ |  1 |  1 |/Q | Q |
                             | X | X | !\ |  1 |  1 | - | - |
                             +---+---+----+----+----*---+---+

7483

4-bit binary full adder with fast carry.

    +---+--+---+
 A4 |1  +--+ 16| B4          S=A+B+CIN
 S3 |2       15| S4
 A3 |3       14| COUT
 B3 |4       13| CIN
VCC |5  7483 12| GND
 S2 |6       11| B1
 B2 |7       10| A1
 A2 |8        9| S1
    +----------+

7485

4-bit noninverting magnitude comparator with cascade inputs.

     +---+--+---+
  B3 |1  +--+ 16| VCC
IA<B |2       15| A3
IA=B |3       14| B2
IA>B |4       13| A2
OA>B |5  7485 12| A1
OA=B |6       11| B1
OA<B |7       10| A0
 GND |8        9| B0
     +----------+

7486

Quad 2-input XOR gates.

    +---+--+---+             +---+---*---+                    _   _
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
 1Y |3       12| 4A          | 0 | 0 | 0 |
 2A |4  7486 11| 4Y          | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
 2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| 3Y          +---+---*---+
    +----------+

7490

4-bit asynchronous decade counter with /2 and /5 sections, set(9) and reset.

      +---+--+---+
/CLK1 |1  +--+ 14| /CLK0
 RST1 |2       13|
 RST2 |3       12| Q0
      |4  7490 11| Q3
  VCC |5       10| GND
 SET1 |6        9| Q1
 SET2 |7        8| Q2
      +----------+

7491

8-bit serial-in serial-out shift register with two AND gated serial inputs and complementary outputs.

    +---+--+---+
    |1  +--+ 14| /Q7
    |2       13| Q7
    |3       12| D
    |4  7491 11| E
VCC |5       10| GND
    |6        9| CLK
    |7        8|
    +----------+

7492

4-bit asynchronous divide-by-twelve counter with /2 and /6 sections and reset.

      +---+--+---+
/CLK1 |1  +--+ 14| /CLK0
      |2       13|
      |3       12| Q0
      |4  7492 11| Q3
  VCC |5       10| GND
 RST1 |6        9| Q1
 RST2 |7        8| Q2
      +----------+

7493

4-bit asynchronous binary counter with /2 and /8 sections and reset.

      +---+--+---+
/CLK1 |1  +--+ 14| /CLK0
 RST1 |2       13|
 RST2 |3       12| Q0
      |4  7493 11| Q3
  VCC |5       10| GND
      |6        9| Q1
      |7        8| Q2
      +----------+

7495

4-bit universal shift register with separate shift and parallel-load clocks.

       +---+--+---+
     D |1  +--+ 14| VCC
    P0 |2       13| Q0
    P1 |3       12| Q1
    P2 |4  7495 11| Q2
    P3 |5       10| Q3
LD//SH |6        9| SHCLK
   GND |7        8| LDCLK
       +----------+

7496

5-bit shift register with asynchronous reset and asynchronous preset inputs.

    +---+--+---+
CLK |1  +--+ 16| /RST
 P0 |2       15| Q0
 P1 |3       14| Q1
 P2 |4       13| Q2
VCC |5  7496 12| GND
 P3 |6       11| Q3
 P4 |7       10| Q4
 PE |8        9| D
    +----------+

7497

6-bit synchronous binary rate multiplier.
Can perform fixed-rate or variable-rate frequency division. Output frequency is equal to input frequency multiplied by the rate input M and divided by 64.

      +---+--+---+
   B1 |1  +--+ 16| VCC
   B4 |2       15| B3
   B5 |3       14| B2
   B0 |4       13| RST
    Z |5  7497 12| U/CAS
    Y |6       11| ENin
ENout |7       10| STRB
  GND |8        9| CLK
      +----------+

74107

Dual negative-edge-triggered J-K flip-flops with reset.

    +---+--+---+             +---+---+----+----*---+---+
 1J |1  +--+ 14| VCC         | J | K |/CLK|/RST| Q |/Q |
/1Q |2       13| /1RST       +===+===+====+====*===+===+
 1Q |3   74  12| /1CLK       | X | X |  X |  0 | 0 | 1 |
 1K |4  107  11| 2K          | 0 | 0 |  \ |  1 | - | - |
 2Q |5       10| /2RST       | 0 | 1 |  \ |  1 | 0 | 1 |
/2Q |6        9| /2CLK       | 1 | 0 |  \ |  1 | 1 | 0 |
GND |7        8| 2J          | 1 | 1 |  \ |  1 |/Q | Q |
    +----------+             | X | X | !\ |  1 | - | - |
                             +---+---+----+----*---+---+

74109

Dual J-/K flip-flops with set and reset.

      +---+--+---+           +---+---+---+----+----*---+---+
/1RST |1  +--+ 16| VCC       | J |/K |CLK|/SET|/RST| Q |/Q |
   1J |2       15| /2RST     +===+===+===+====+====*===+===+
  /1K |3       14| 2J        | X | X | X |  0 |  0 | 1 | 1 |
 1CLK |4   74  13| /2K       | X | X | X |  0 |  1 | 1 | 0 |
/1SET |5  109  12| 2CLK      | X | X | X |  1 |  0 | 0 | 1 |
   1Q |6       11| /2SET     | 0 | 0 | / |  1 |  1 | 0 | 1 |
  /1Q |7       10| 2Q        | 0 | 1 | / |  1 |  1 | - | - |
  GND |8        9| /2Q       | 1 | 0 | / |  1 |  1 |/Q | Q |
      +----------+           | 1 | 1 | / |  1 |  1 | 1 | 0 |
                             | X | X |!/ |  1 |  1 | - | - |
                             +---+---+---+----+----*---+---+

74112

Dual negative-edge-triggered J-K flip-flops with set and reset.

      +---+--+---+           +---+---+----+----+----*---+---+
/1CLK |1  +--+ 16| VCC       | J | K |/CLK|/SET|/RST| Q |/Q |
   1K |2       15| /1RST     +===+===+====+====+====*===+===+
   1J |3       14| /2RST     | X | X |  X |  0 |  0 | 0 | 0 |
/1SET |4   74  13| /2CLK     | X | X |  X |  0 |  1 | 1 | 0 |
   1Q |5  112  12| 2K        | X | X |  X |  1 |  0 | 0 | 1 |
  /1Q |6       11| 2J        | 0 | 0 |  \ |  1 |  1 | - | - |
  /2Q |7       10| /2SET     | 0 | 1 |  \ |  1 |  1 | 0 | 1 |
  GND |8        9| 2Q        | 1 | 0 |  \ |  1 |  1 | 1 | 0 |
      +----------+           | 1 | 1 |  \ |  1 |  1 |/Q | Q |
                             | X | X | !\ |  1 |  1 | - | - |
                             +---+---+----+----+----*---+---+

74113

Dual negative-edge-triggered J-K flip-flop with set.

      +---+--+---+           +---+---+----+----*---+---+
/1CLK |1  +--+ 14| VCC       | J | K |/CLK|/SET| Q |/Q |
   1K |2       13| /2CLK     +===+===+====+====*===+===+
   1J |3  74   12| 2K        | X | X |  X |  0 | 1 | 0 |
/1SET |4  113  11| 2J        | X | X |  X |  1 | 0 | 1 |
   1Q |5       10| /2SET     | 0 | 0 |  \ |  1 | - | - |
  /1Q |6        9| 2Q        | 0 | 1 |  \ |  1 | 0 | 1 |
  GND |7        8| /2Q       | 1 | 0 |  \ |  1 | 1 | 0 |
      +----------+           | 1 | 1 |  \ |  1 |/Q | Q |
                             | X | X | !\ |  1 | - | - |
                             +---+---+----+----*---+---+

74114

Dual negative-edge-triggered J-K flip-flop with set, common clock and common reset.

      +---+--+---+           +---+---+----+----+----*---+---+
 /RST |1  +--+ 14| VCC       | J | K |/CLK|/SET|/RST| Q |/Q |
   1K |2       13| /CLK      +===+===+====+====+====*===+===+
   1J |3  74   12| 2K        | X | X |  X |  0 |  0 | ? | ? |
/1SET |4  114  11| 2J        | X | X |  X |  0 |  1 | 1 | 0 |
   1Q |5       10| /2SET     | X | X |  X |  1 |  0 | 0 | 1 |
  /1Q |6        9| 2Q        | 0 | 0 |  \ |  1 |  1 | - | - |
  GND |7        8| /2Q       | 0 | 1 |  \ |  1 |  1 | 0 | 1 |
      +----------+           | 1 | 0 |  \ |  1 |  1 | 1 | 0 |
                             | 1 | 1 |  \ |  1 |  1 |/Q | Q |
                             | X | X | !\ |  1 |  1 | - | - |
                             +---+---+----+----+----*---+---+

74121

Monostable multivibrator with Schmitt-trigger inputs.
Programmable output pulse width from 40 ns to 20 seconds.

     +---+--+---+
  /Q |1  +--+ 14| VCC
     |2       13|
/TR1 |3   74  12|
/TR2 |4  121  11| RCext
  TR |5       10| Cext
   Q |6        9| Rint
 GND |7        8|
     +----------+

74122

Retriggerable monostable multivibrator with overriding reset and integrated 10k timing resistor.

     +---+--+---+
/TR1 |1  +--+ 14| VCC
/TR2 |2       13| RCext
 TR1 |3   74  12|
 TR2 |4  122  11| Cext
/RST |5       10|
  /Q |6        9| Rint
 GND |7        8| Q
     +----------+

74123

Dual retriggerable monostable multivibrators with overriding reset.

       +---+--+---+
  /1TR |1  +--+ 16| VCC
   1TR |2       15| 1RCext
 /1RST |3       14| 1Cext
   /1Q |4   74  13| 1Q
    2Q |5  123  12| /2Q
 2Cext |6       11| /2RST
2RCext |7       10| 2TR
   GND |8        9| /2TR
       +----------+

74125

Quad 3-state noninverting buffer with active low enables.

     +---+--+---+            +---+---*---+
/1OE |1  +--+ 14| VCC        | A |/OE| Y |
  1A |2       13| /4OE       +===+===*===+
  1Y |3   74  12| 4A         | 0 | 0 | 0 |
/2OE |4  125  11| 4Y         | 1 | 0 | 1 |
  2A |5       10| /3OE       | X | 1 | Z |
  2Y |6        9| 3A         +---+---*---+
 GND |7        8| 3Y
     +----------+

74126

Quad 3-state noninverting buffer with active high enables.

    +---+--+---+             +---+---*---+
1OE |1  +--+ 14| VCC         | A | OE| Y |
 1A |2       13| 4OE         +===+===*===+
 1Y |3   74  12| 4A          | X | 0 | Z |
2OE |4  126  11| 4Y          | 0 | 1 | 0 |
 2A |5       10| 3OE         | 1 | 1 | 1 |
 2Y |6        9| 3A          +---+---*---+
GND |7        8| 3Y
    +----------+

74128

Quad 2-input NOR gates/line drivers.

    +---+--+---+             +---+---*---+           ___
/1Y |1  +--+ 14| VCC         | A | B |/Y |      /Y = A+B
 1A |2       13| /4Y         +===+===*===+
 1B |3       12| 4B          | 0 | 0 | 1 |
/2Y |4  7402 11| 4A          | 0 | 1 | 0 |
 2A |5       10| /3Y         | 1 | 0 | 0 |
 2B |6        9| 3B          | 1 | 1 | 0 |
GND |7        8| 3A          +---+---*---+
    +----------+

74131

1-of-8 inverting decoder/demultiplexer with address register.

     +---+--+---+
  S0 |1  +--+ 16| VCC
  S1 |2       15| /Y0
  S2 |3       14| /Y1
 CLK |4   74  13| /Y2
/EN2 |5  131  12| /Y3
 EN1 |6       11| /Y4
 /Y7 |7       10| /Y5
 GND |8        9| /Y6
     +----------+

74132

Quad 2-input NAND gates with schmitt-trigger inputs.
0.8V typical input hysteresis at VCC=+5V.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | 1 |
 2A |4 74132 11| /4Y         | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

74133

13-input NAND gate.

    +---+--+---+                 _____________
  A |1  +--+ 16| VCC        /Y = ABCDEFGHIJKLM
  B |2       15| M
  C |3       14| L
  D |4   74  13| K
  E |5  133  12| J
  F |6       11| I
  G |7       10| H
GND |8        9| /Y
    +----------+

74136

Quad 2-input open-collector XOR gates.

    +---+--+---+             +---+---*---+                    _   _
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
 1Y |3       12| 4A          | 0 | 0 | 0 |
 2A |4 74136 11| 4Y          | 0 | 1 | Z |
 2B |5       10| 3B          | 1 | 0 | Z |
 2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| 3Y          +---+---*---+
    +----------+

74137

1-of-8 inverting decoder/demultiplexer with address latches.

     +---+--+---+
  S0 |1  +--+ 16| VCC
  S1 |2       15| /Y0
  S2 |3       14| /Y1
 /LE |4   74  13| /Y2
/EN2 |5  137  12| /Y3
 EN1 |6       11| /Y4
 /Y7 |7       10| /Y5
 GND |8        9| /Y6
     +----------+

74138

1-of-8 inverting decoder/demultiplexer.

     +---+--+---+            +---+----+----+---+---+---*---+---+---+---+
  S0 |1  +--+ 16| VCC        |EN1|/EN2|/EN3| S2| S1| S0|/Y0|/Y1|...|/Y7|
  S1 |2       15| /Y0        +===+====+====+===+===+===*===+===+===+===+
  S2 |3       14| /Y1        | 0 | X  |  X | X | X | X | 1 | 1 | 1 | 1 |
/EN3 |4   74  13| /Y2        | 1 | 1  |  X | X | X | X | 1 | 1 | 1 | 1 |
/EN2 |5  138  12| /Y3        | 1 | 0  |  1 | X | X | X | 1 | 1 | 1 | 1 |
 EN1 |6       11| /Y4        | 1 | 0  |  0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
 /Y7 |7       10| /Y5        | 1 | 0  |  0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
 GND |8        9| /Y6        | 1 | 0  |  0 | . | . | . | 1 | 1 | . | 1 |
     +----------+            | 1 | 0  |  0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
                             +---+----+----+---+---+---*---+---+---+---+

74139

Dual 1-of-4 inverting decoder/demultiplexer.

     +---+--+---+            +---+---+---*---+---+---+---+
/1EN |1  +--+ 16| VCC        |/EN| S1| S0|/Y0|/Y1|/Y2|/Y3|
 1S0 |2       15| /2EN       +===+===+===*===+===+===+===+
 1S1 |3       14| 2S0        | 1 | X | X | 1 | 1 | 1 | 1 |
/1Y0 |4   74  13| 2S1        | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
/1Y1 |5  139  12| /2Y0       | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
/1Y2 |6       11| /2Y1       | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
/1Y3 |7       10| /2Y2       | 0 | 1 | 1 | 1 | 1 | 1 | 0 |
 GND |8        9| /2Y3       +---+---+---*---+---+---+---+
     +----------+

74140

Dual 4-input NAND gates/50R line drivers.

    +---+--+---+             +---+---+---+---*---+        ____
 1A |1  +--+ 14| VCC         | A | B | C | D |/Y |   /Y = ABCD
 1B |2       13| 2D          +===+===+===+===*===+
    |3   74  12| 2C          | 0 | X | X | X | 1 |
 1C |4  140  11|             | 1 | 0 | X | X | 1 |
 1D |5       10| 2B          | 1 | 1 | 0 | X | 1 |
/1Y |6        9| 2A          | 1 | 1 | 1 | 0 | 1 |
GND |7        8| /2Y         | 1 | 1 | 1 | 1 | 0 |
    +----------+             +---+---+---+---*---+

74141

1-of-10 inverting decoder/demultiplexer.

    +---+--+---+             +---+---+---+---*---+---+---+---+
/Y8 |1  +--+ 16| /Y0         | S3| S2| S1| S0|/Y0|/Y1|...|/Y9|
/Y9 |2       15| /Y1         +===+===+===+===*===+===+===+===+
 S0 |3       14| /Y5         | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
 S3 |4   74  13| /Y4         | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
VCC |5  141  12| GND         | . | . | . | . | 1 | 1 | . | 1 |
 S1 |6       11| /Y6         | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 |
 S2 |7       10| /Y7         | 1 | 0 | 1 | X | 1 | 1 | 1 | 1 |
/Y2 |8        9| /Y3         | 1 | 1 | X | X | 1 | 1 | 1 | 1 |
    +----------+             +---+---+---+---*---+---+---+---+

74145

1-of-10 open-collector inverting decoder/demultiplexer.

    +---+--+---+             +---+---+---+---*---+---+---+---+
/Y0 |1  +--+ 16| VCC         | S3| S2| S1| S0|/Y0|/Y1|...|/Y9|
/Y1 |2       15| S0          +===+===+===+===*===+===+===+===+
/Y2 |3       14| S1          | 0 | 0 | 0 | 0 | 0 | Z | Z | Z |
/Y3 |4   74  13| S2          | 0 | 0 | 0 | 1 | Z | 0 | Z | Z |
/Y4 |5  145  12| S3          | . | . | . | . | Z | Z | . | Z |
/Y5 |6       11| /Y9         | 1 | 0 | 0 | 1 | Z | Z | Z | 0 |
/Y6 |7       10| /Y8         | 1 | 0 | 1 | X | Z | Z | Z | Z |
GND |8        9| /Y7         | 1 | 1 | X | X | Z | Z | Z | Z |
    +----------+             +---+---+---+---*---+---+---+---+

74147

10-to-4 line inverting priority encoder.

    +---+--+---+
/A4 |1  +--+ 16| VCC
/A5 |2       15|
/A6 |3       14| Y3
/A7 |4   74  13| /A3
/A8 |5  147  12| /A2
 Y2 |6       11| /A1
 Y1 |7       10| /A9
GND |8        9| Y0
    +----------+

74148

8-to-3 line inverting priority encoder with cascade inputs.

    +---+--+---+
/A4 |1  +--+ 16| VCC
/A5 |2       15| /EO
/A6 |3       14| /GS
/A7 |4   74  13| /A3
/EI |5  148  12| /A2
 Y2 |6       11| /A1
 Y1 |7       10| /A0
GND |8        9| Y0
    +----------+

 

74150

16-to-1 line inverting data selector/multiplexer.

    +---+--+---+
 D7 |1  +--+ 24| VCC
 D6 |2       23| D8
 D5 |3       22| D9
 D4 |4       21| D10
 D3 |5       20| D11
 D2 |6   74  19| D12
 D1 |7  150  18| D13
 D0 |8       17| D14
/EN |9       16| D15
 /Y |10      15| S0
 S3 |11      14| S1
GND |12      13| S2
    +----------+

74151

8-to-1 line data selector/multiplexer with complementary outputs.

    +---+--+---+
 D3 |1  +--+ 16| VCC
 D2 |2       15| D4
 D1 |3       14| D5
 D0 |4   74  13| D6
  Y |5  151  12| D7
 /Y |6       11| S0
/EN |7       10| S1
GND |8        9| S2
    +----------+

74152

8-to-1 line inverting data selector/multiplexer.

    +---+--+---+
 A4 |1  +--+ 14| VCC
 A3 |2       13| A5
 A2 |3   74  12| A6
 A1 |4  152  11| A7
 A0 |5       10| S0
 /Y |6        9| S1
GND |7        8| S1
    +----------+

74153

8-to-2 line noninverting data selector/multiplexer with separate enables.

     +---+--+---+
/1EN |1  +--+ 16| VCC
  S1 |2       15| /2EN
 1A3 |3       14| S0
 1A2 |4   74  13| 2A3
 1A1 |5  153  12| 2A2
 1A0 |6       11| 2A1
  1Y |7       10| 2A0
 GND |8        9| 2Y
     +----------+

74154

1-of-16 inverting decoder/demultiplexer.

     +---+--+---+
 /Y0 |1  +--+ 24| VCC
 /Y1 |2       23| S0
 /Y2 |3       22| S1
 /Y3 |4       21| S2
 /Y4 |5       20| S3
 /Y5 |6   74  19| /EN2
 /Y6 |7  154  18| /EN1
 /Y7 |8       17| /Y15
 /Y8 |9       16| /Y14
 /Y9 |10      15| /Y13
/Y10 |11      14| /Y12
 GND |12      13| /Y11
     +----------+

74155

2-of-8 inverting decoder/demultiplexer with separate enables.

      +---+--+---+
 1EN1 |1  +--+ 16| VCC
/1EN2 |2       15| /2EN1
   S1 |3       14| /2EN2
 /1Y3 |4   74  13| S0
 /1Y2 |5  155  12| /2Y3
 /1Y1 |6       11| /2Y2
 /1Y0 |7       10| /2Y1
  GND |8        9| /2Y0
      +----------+

74156

2-of-8 open-collector inverting decoder/demultiplexer with separate enables.

      +---+--+---+
 1EN1 |1  +--+ 16| VCC
/1EN2 |2       15| /2EN1
   S1 |3       14| /2EN2
 /1Y3 |4   74  13| S0
 /1Y2 |5  156  12| /2Y3
 /1Y1 |6       11| /2Y2
 /1Y0 |7       10| /2Y1
  GND |8        9| /2Y0
      +----------+

74157

8-to-4 line noninverting data selector/multiplexer.

    +---+--+---+
  S |1  +--+ 16| VCC
1A0 |2       15| /EN
1A1 |3       14| 4A0
 1Y |4   74  13| 4A1
2A0 |5  157  12| 4Y
2A1 |6       11| 3A0
 2Y |7       10| 3A1
GND |8        9| 3Y
    +----------+

74158

4-of-8 inverting decoder/demultiplexer.

    +---+--+---+
  S |1  +--+ 16| VCC
1A0 |2       15| /EN
1A1 |3       14| 4A0
/1Y |4   74  13| 4A1
2A0 |5  158  12| /4Y
2A1 |6       11| 3A0
/2Y |7       10| 3A1
GND |8        9| /3Y
    +----------+

74159

1-of-16 open-collector inverting decoder/demultiplexer.

     +---+--+---+
 /Y0 |1  +--+ 24| VCC
 /Y1 |2       23| S0
 /Y2 |3       22| S1
 /Y3 |4       21| S2
 /Y4 |5       20| S3
 /Y5 |6   74  19| /EN2
 /Y6 |7  159  18| /EN1
 /Y7 |8       17| /Y15
 /Y8 |9       16| /Y14
 /Y9 |10      15| /Y13
/Y10 |11      14| /Y12
 GND |12      13| /Y11
     +----------+

74160

4-bit synchronous decade counter with load, asynchronous reset, and ripple carry output.

     +---+--+---+
/RST |1  +--+ 16| VCC
 CLK |2       15| RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  160  12| Q2
  P3 |6       11| Q3
 ENP |7       10| ENT
 GND |8        9| /LOAD
     +----------+

74161

4-bit synchronous binary counter with load, asynchronous reset, and ripple carry output.

     +---+--+---+
/RST |1  +--+ 16| VCC
 CLK |2       15| RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  161  12| Q2
  P3 |6       11| Q3
 ENP |7       10| ENT
 GND |8        9| /LOAD
     +----------+

74162

4-bit synchronous decade counter with load, reset, and ripple carry output.

     +---+--+---+
/RST |1  +--+ 16| VCC
 CLK |2       15| RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  162  12| Q2
  P3 |6       11| Q3
 ENP |7       10| ENT
 GND |8        9| /LOAD
     +----------+

74163

4-bit synchronous binary counter with load, reset, and ripple carry output.

     +---+--+---+
/RST |1  +--+ 16| VCC
 CLK |2       15| RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  163  12| Q2
  P3 |6       11| Q3
 ENP |7       10| ENT
 GND |8        9| /LOAD
     +----------+

74164

8-bit serial-in parallel-out shift register with asynchronous reset and two AND gated serial inputs.

    +---+--+---+
  D |1  +--+ 14| VCC
  E |2       13| Q7
 Q0 |3   74  12| Q6
 Q1 |4  164  11| Q5
 Q2 |5       10| Q4
 Q3 |6        9| /RST
GND |7        8| CLK
    +----------+

74165

8-bit parallel-in serial-out shift register with asynchronous parallel load and two OR gated clock inputs.

       +---+--+---+
SH//LD |1  +--+ 16| VCC
  CLK1 |2       15| CLK2
    P4 |3       14| P3
    P5 |4   74  13| P2
    P6 |5  165  12| P1
    P7 |6       11| P0
   /Q7 |7       10| D
   GND |8        9| Q7
       +----------+

74166

8-bit parallel-in serial-out shift register with asynchronous reset and two OR gated clock inputs.

     +---+--+---+
   D |1  +--+ 16| VCC
  P0 |2       15| SH//LD
  P1 |3       14| P7
  P2 |4   74  13| Q7
  P3 |5  166  12| P6
CLK1 |6       11| P5
CLK2 |7       10| P4
 GND |8        9| /RST
     +----------+

74167

4-bit synchronous decade rate multiplier.
Can perform fixed-rate or variable-rate frequency division. Output frequency is equal to input frequency multiplied by the rate input M and divided by 10.

      +---+--+---+
      |1  +--+ 16| VCC
   B2 |2       15| B1
   B3 |3       14| B0
SET-9 |4   74  13| RST
    Z |5  167  12| U/CAS
    Y |6       11| ENin
ENout |7       10| STRB
  GND |8        9| CLK
      +----------+

74168

4-bit synchronous decade up/down counter with load and ripple carry output.

     +---+--+---+
U//D |1  +--+ 16| VCC
 CLK |2       15| /RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  168  12| Q2
  P3 |6       11| Q3
/ENP |7       10| /ENT
 GND |8        9| /LOAD
     +----------+

74169

4-bit synchronous binary up/down counter with load and ripple carry output.

     +---+--+---+
U//D |1  +--+ 16| VCC
 CLK |2       15| /RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  169  12| Q2
  P3 |6       11| Q3
/ENP |7       10| /ENT
 GND |8        9| /LOAD
     +----------+

74170

4×4-bit open-collector dual-port register file.

    +---+--+---+
 D2 |1  +--+ 16| VCC
 D3 |2       15| D1
 D4 |3       14| WA0
RA1 |4   74  13| WA1
RA0 |5  170  12| /WR
 Q4 |6       11| /RD
 Q3 |7       10| Q1
GND |8        9| Q2
    +----------+

74173

4-bit 3-state D flip-flop with reset, dual clock enables and dual output enables.

     +---+--+---+
/OE1 |1  +--+ 16| VCC
/OE2 |2       15| RST
  Q0 |3       14| D0
  Q1 |4   74  13| D1
  Q2 |5  173  12| D2
  Q3 |6       11| D3
 CLK |7       10| /CLKEN1
 GND |8        9| /CLKEN2
     +----------+

74174

6-bit D flip-flop with reset.

     +---+--+---+            +----+---+---*---+
/RST |1  +--+ 16| VCC        |/RST|CLK| D | Q |
  Q0 |2       15| Q6         +====+===+===*===+
  D0 |3       14| D5         |  0 | X | X | 0 |
  D1 |4   74  13| D4         |  1 | / | 0 | 0 |
  Q1 |5  174  12| Q4         |  1 | / | 1 | 1 |
  D2 |6       11| D3         |  1 |!/ | X | - |
  Q2 |7       10| Q3         +----+---+---*---+
 GND |8        9| CLK
     +----------+

74175

4-bit D flip-flop with complementary outputs and reset.

     +---+--+---+            +----+---+---*---+---+
/RST |1  +--+ 16| VCC        |/RST|CLK| D | Q |/Q |
  Q1 |2       15| Q4         +====+===+===*===+===+
 /Q1 |3       14| /Q4        |  0 | X | X | 0 | 1 |
  D1 |4   74  13| D4         |  1 | / | 0 | 0 | 1 |
  D2 |5  175  12| D3         |  1 | / | 1 | 1 | 0 |
 /Q2 |6       11| /Q3        |  1 |!/ | X | - | - |
  Q2 |7       10| Q3         +----+---+---*---+---+
 GND |8        9| CLK
     +----------+

74180

8-bit odd/even parity generator/checker with cascade inputs.

      +---+--+---+
   A0 |1  +--+ 14| VCC
   A1 |2       13| A7
 CASE |3   74  12| A6
 CASO |4  180  11| A5
 EVEN |5       10| A4
  ODD |6        9| A3
  GND |7        8| A2
      +----------+

74181

4-bit 16-function arithmetic logic unit (ALU)

    +---+--+---+
/B0 |1  +--+ 24| VCC
/A0 |2       23| /A1
 S3 |3       22| /B1
 S2 |4       21| /A2
 S1 |5       20| /B2
 S0 |6   74  19| /A3
CIN |7  181  18| /B3
  M |8       17| /G
/F0 |9       16| COUT
/F1 |10      15| /P
/F2 |11      14| A=B
GND |12      13| /F3
    +----------+

74182

Look-ahead carry generator Capable of anticipating a carry across four binary adders or group of adders.
Cascadable to perform full look-ahead across n-bit adders.

    +---+--+---+
/G1 |1  +--+ 16| VCC
/P1 |2       15| /P2
/G0 |3       14| /G2
/P0 |4   74  13| Cn
/G3 |5  182  12| Cn+X
/P3 |6       11| Cn+Y
 /P |7       10| /G
GND |8        9| Cn+Z
    +----------+

74183

Dual full adder.

    +---+--+---+           +---+---+---*---+---+
 1A |1  +--+ 14| VCC       | CI| A | B | S | CO|
    |2       13| 2A        +===+===+===*===+===+
 1B |3  74   12| 2B        | 0 | 0 | 0 | 0 | 0 |
1CI |4  183  11| 2CI       | 0 | 0 | 1 | 1 | 0 |
1CO |5       10| 2CO       | 0 | 1 | 0 | 1 | 0 |
 1S |6        9|           | 0 | 1 | 1 | 0 | 1 |
GND |7        8| 2S        | 1 | 0 | 0 | 1 | 0 |
    +----------+           | 1 | 0 | 1 | 0 | 1 |
                           | 1 | 1 | 0 | 0 | 1 |
                           | 1 | 1 | 1 | 1 | 1 |
                           +---+---+---*---+---+

74190

4-bit synchronous decade up/down counter with load and both carry out and ripple clock outputs.

       +---+--+---+
    P1 |1  +--+ 16| VCC
    Q1 |2       15| P0
    Q0 |3       14| CLK
/CLKEN |4   74  13| /RCLK
  D//U |5  190  12| /RCO
    Q2 |6       11| /LOAD
    Q3 |7       10| P2
   GND |8        9| P3
       +----------+

74191

4-bit synchronous binary up/down counter with load and both carry out and ripple clock outputs.

       +---+--+---+
    P1 |1  +--+ 16| VCC
    Q1 |2       15| P0
    Q0 |3       14| CLK
/CLKEN |4   74  13| /RCLK
  D//U |5  191  12| /RCO
    Q2 |6       11| /LOAD
    Q3 |7       10| P2
   GND |8        9| P3
       +----------+

74192

4-bit synchronous decade up/down counter with asynchronous load and reset, and separate up and down clocks, carry and borrow outputs.

     +---+--+---+
  P1 |1  +--+ 16| VCC
  Q1 |2       15| P0
  Q0 |3       14| RST
DOWN |4   74  13| /BORROW
  UP |5  192  12| /CARRY
  Q2 |6       11| /LOAD
  Q3 |7       10| P2
 GND |8        9| P3
     +----------+

74193

4-bit synchronous binary up/down counter with asynchronous load and reset, and separate up and down clocks. Carry and borrow outputs.

     +---+--+---+
  P1 |1  +--+ 16| VCC
  Q1 |2       15| P0
  Q0 |3       14| RST
DOWN |4   74  13| /BORROW
  UP |5  193  12| /CARRY
  Q2 |6       11| /LOAD
  Q3 |7       10| P2
 GND |8        9| P3
     +----------+

74194

4-bit bidirectional universal shift register with asynchronous reset.

     +---+--+---+            +---+---*---------------+
/RST |1  +--+ 16| VCC        | S1| S0| Function      |
   D |2       15| Q0         +===+===*===============+
  P0 |3       14| Q1         | 0 | 0 | Hold          |
  P1 |4 40194 13| Q2         | 0 | 1 | Shift right   |
  P2 |5 74194 12| Q3         | 1 | 0 | Shift left    |
  P3 |6       11| CLK        | 1 | 1 | Parallel load |
   L |7       10| S1         +---+---*---------------+
 GND |8        9| S0
     +----------+

74195

4-bit universal shift register with J-/K inputs and asynchronous reset.

     +---+--+---+
/RST |1  +--+ 16| VCC
   J |2       15| Q0
  /K |3       14| Q1
  P0 |4   74  13| Q2
  P1 |5  195  12| Q3
  P2 |6       11| /Q3
  P3 |7       10| CLK
 GND |8        9| SH//LD
     +----------+

74196

4-bit asynchronous decade counter with /2 and /5 sections, load and reset.

      +---+--+---+
/LOAD |1  +--+ 14| VCC
   Q2 |2       13| /RST
   P2 |3   74  12| Q3
   P0 |4  196  11| P3
   Q0 |5       10| P1
/CLK1 |6        9| Q1
  GND |7        8| /CLK0
      +----------+

74197

4-bit asynchronous binary counter with /2 and /8 sections, load and reset.

      +---+--+---+
/LOAD |1  +--+ 14| VCC
   Q2 |2       13| /RST
   P2 |3   74  12| Q3
   P0 |4  197  11| P3
   Q0 |5       10| P1
/CLK1 |6        9| Q1
  GND |7        8| /CLK0
      +----------+

74198

8-bit bidirectional universal shift register with asynchronous reset.

    +---+--+---+
 S0 |1  +--+ 24| VCC
  D |2       23| S1
 P0 |3       22| Q7
 Y0 |4       21| P7
 P1 |5       20| Y7
 Y1 |6   74  19| P6
 P2 |7  198  18| Y6
 Y2 |8       17| P5
 P3 |9       16| Y5
 Y3 |10      15| P4
CLK |11      14| Y4
GND |12      13| /RST
    +----------+

 

74203

6-line inverting clock driver.

    +---+--+---+
 1Y |1  +--+ 20| 1A
 2Y |2       19| 2A
 3Y |3       18| 3A
GND |4       17|
GND |5   74  16| VCC
GND |6  203  15| VCC
GND |7       14|
 4Y |8       13| 4A
 5Y |9       12| 5A
 6Y |10      11| 6A
    +----------+

74204

6-line inverting clock driver.

    +---+--+---+
 1Y |1  +--+ 20| 1A
 2Y |2       19| 2A
 3Y |3       18| 3A
GND |4       17|
GND |5   74  16| VCC
GND |6  204  15| VCC
GND |7       14|
 4Y |8       13| 4A
 5Y |9       12| 5A
 6Y |10      11| 6A
    +----------+

74208

Dual 3-state 1-line to 4-line noninverting clock driver.

    +---+--+---+
1Y2 |1  +--+ 20| 1Y1
1Y3 |2       19| 1A
1Y4 |3       18| /1OE1
GND |4       17| /1OE2
GND |5   74  16| VCC
GND |6  208  15| VCC
GND |7       14| 2A
2Y1 |8       13| /2OE1
2Y2 |9       12| /2OE2
2Y3 |10      11| 2Y4
    +----------+

74209

Dual 3-state 1-line to 4-line noninverting clock driver.

    +---+--+---+
1Y2 |1  +--+ 20| 1Y1
1Y3 |2       19| 1A
1Y4 |3       18| /1OE1
GND |4       17| /1OE2
GND |5   74  16| VCC
GND |6  209  15| VCC
GND |7       14| 2A
2Y1 |8       13| /2OE1
2Y2 |9       12| /2OE2
2Y3 |10      11| 2Y4
    +----------+

74221

Dual monostable multivibrators with Schmitt-trigger inputs.

       +---+--+---+
  /1TR |1  +--+ 16| VCC
   1TR |2       15| 1RCext
 /1RST |3       14| 1Cext
   /1Q |4   74  13| 1Q
    2Q |5  221  12| /2Q
 2Cext |6       11| /2RST
2RCext |7       10| 2TR
   GND |8        9| /2TR
       +----------+

74237

1-of-8 noninverting decoder/demultiplexer with address latches.

     +---+--+---+
  S0 |1  +--+ 16| VCC
  S1 |2       15| Y0
  S2 |3       14| Y1
 /LE |4   74  13| Y2
/EN2 |5  237  12| Y3
 EN1 |6       11| Y4
  Y7 |7       10| Y5
 GND |8        9| Y6
     +----------+

74238

1-of-8 noninverting decoder/demultiplexer.

     +---+--+---+            +---+----+----+---+---+---*---+---+---+---+
  S0 |1  +--+ 16| VCC        |EN1|/EN2|/EN3| S2| S1| S0|/Y0|/Y1|...|/Y7|
  S1 |2       15| Y0         +===+====+====+===+===+===*===+===+===+===+
  S2 |3       14| Y1         | 0 | X  |  X | X | X | X | 0 | 0 | 0 | 0 |
/EN3 |4   74  13| Y2         | 1 | 1  |  X | X | X | X | 0 | 0 | 0 | 0 |
/EN2 |5  238  12| Y3         | 1 | 0  |  1 | X | X | X | 0 | 0 | 0 | 0 |
 EN1 |6       11| Y4         | 1 | 0  |  0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
  Y7 |7       10| Y5         | 1 | 0  |  0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
 GND |8        9| Y6         | 1 | 0  |  0 | . | . | . | 0 | 0 | . | 0 |
     +----------+            | 1 | 0  |  0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
                             +---+----+----+---+---+---*---+---+---+---+

74239

Dual 1-of-4 noninverting decoder/demultiplexer.

     +---+--+---+            +---+---+---*---+---+---+---+
/1EN |1  +--+ 16| VCC        |/EN| S1| S0| Y0| Y1| Y2| Y3|
 1S0 |2       15| /2EN       +===+===+===*===+===+===+===+
 1S1 |3       14| 2S0        | 1 | X | X | 0 | 0 | 0 | 0 |
 1Y0 |4   74  13| 2S1        | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
 1Y1 |5  239  12| 2Y0        | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
 1Y2 |6       11| 2Y1        | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 1Y3 |7       10| 2Y2        | 0 | 1 | 1 | 0 | 0 | 0 | 1 |
 GND |8        9| 2Y3        +---+---+---*---+---+---+---+
     +----------+

74240

Dual 4-bit 3-state inverting buffer/line driver.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
/2Y4 |3       18| /1Y1
 1A2 |4       17| 2A4
/2Y3 |5  74   16| /1Y2
 1A3 |6  240  15| 2A3
/2Y2 |7       14| /1Y3
 1A4 |8       13| 2A2
/2Y1 |9       12| /1Y4
 GND |10      11| 2A1
     +----------+

74241

Dual 4-bit 3-state noninverting buffer/line driver.
One active low, one active high output enable.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A4 |2       19| 2OE
 2Y1 |3       18| 1Y1
 1A3 |4       17| 2A4
 2Y2 |5  74   16| 1Y2
 1A2 |6  241  15| 2A3
 2Y3 |7       14| 1Y3
 1A1 |8       13| 2A2
 2Y4 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+

74242

4-bit 3-state inverting bus transceiver.
Two enable pins control output enables, one active high and one active low.

     +---+--+---+
/GAB |1  +--+ 14| VCC
     |2       13| GBA
  A1 |3  74   12|
  A2 |4  242  11| B1
  A3 |5       10| B2
  A4 |6        9| B3
 GND |7        8| B4
     +----------+

74243

4-bit 3-state noninverting bus transceiver.
Two enable pins control output enables, one active high and one active low.

     +---+--+---+
/GAB |1  +--+ 14| VCC
     |2       13| GBA
  A1 |3  74   12|
  A2 |4  243  11| B1
  A3 |5       10| B2
  A4 |6        9| B3
 GND |7        8| B4
     +----------+

74244

Dual 4-bit 3-state noninverting buffer/line driver.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
 2Y4 |3       18| 1Y1
 1A2 |4       17| 2A4
 2Y3 |5  74   16| 1Y2
 1A3 |6  244  15| 2A3
 2Y2 |7       14| 1Y3
 1A4 |8       13| 2A2
 2Y1 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+

74245

8-bit 3-state noninverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+             +---+---*---+---+
DIR |1  +--+ 20| VCC         |/EN|DIR| A | B |
 A1 |2       19| /EN         +===+===*===+===+
 A2 |3       18| B1          | 1 | X | Z | Z |
 A3 |4       17| B2          | 0 | 0 | B | Z |
 A4 |5  74   16| B3          | 0 | 1 | Z | A |
 A5 |6  245  15| B4          +---+---*---+---+
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74247

Open-collector BCD to 7-segment decoder/common-anode LED driver with ripple blank input and output.

     +---+--+---+
  A1 |1  +--+ 16| VCC
  A2 |2       15| /YF
 /LT |3       14| /YG
/RBO |4  74   13| /YA
/RBI |5  247  12| /YB
  A3 |6       11| /YC
  A0 |7       10| /YD
 GND |8        9| /YE
     +----------+

74248

BCD to 7-segment decoder/common-cathode LED driver with ripple blank input and output.

     +---+--+---+
  A1 |1  +--+ 16| VCC
  A2 |2       15| YF
 /LT |3       14| YG
/RBO |4  74   13| YA
/RBI |5  248  12| YB
  A3 |6       11| YC
  A0 |7       10| YD
 GND |8        9| YE
     +----------+

74251

8-to-1 line 3-state data selector/multiplexer with complementary outputs.

    +---+--+---+
 A3 |1  +--+ 16| VCC
 A2 |2       15| A4
 A1 |3       14| A5
 A0 |4   74  13| A6
  Y |5  251  12| A7
 /Y |6       11| S0
/EN |7       10| S1
GND |8        9| S2
    +----------+

74253

8-to-2 line 3-state noninverting data selector/multiplexer.

     +---+--+---+
/1EN |1  +--+ 16| VCC
  S1 |2       15| /2EN
 1A3 |3       14| S0
 1A2 |4   74  13| 2A3
 1A1 |5  253  12| 2A2
 1A0 |6       11| 2A1
  1Y |7       10| 2A0
 GND |8        9| 2Y
     +----------+

74256

2-of-8 addressable latch with reset and enable.

     +---+--+---+            +---+----*--------------------+
  S0 |1  +--+ 16| VCC        |/EN|/RST| Function           |
  S1 |2       15| /RST       +===+====*====================+
  1D |3       14| /EN        | 0 |  0 | 2-of-8 demultiplex |
 1Q0 |4  74   13| 2D         | 0 |  1 | addressable latch  |
 1Q1 |5  256  12| 2Q3        | 1 |  0 | reset              |
 1Q2 |6       11| 2Q2        | 1 |  1 | hold               |
 1Q3 |7       10| 2Q1        +---+----*--------------------+
 GND |8        9| 2Q0
     +----------+

74257

8-to-4 line 3-state noninverting data selector/multiplexer.

    +---+--+---+
  S |1  +--+ 16| VCC
1A0 |2       15| /EN
1A1 |3       14| 4A0
 1Y |4   74  13| 4A1
2A0 |5  257  12| 4Y
2A1 |6       11| 3A0
 2Y |7       10| 3A1
GND |8        9| 3Y
    +----------+

74258

8-to-4 line 3-state inverting data selector/multiplexer.

    +---+--+---+
  S |1  +--+ 16| VCC
1A0 |2       15| /EN
1A1 |3       14| 4A0
/1Y |4   74  13| 4A1
2A0 |5  258  12| /4Y
2A1 |6       11| 3A0
/2Y |7       10| 3A1
GND |8        9| /3Y
    +----------+

74259

1-of-8 addressable latch with reset.

    +---+--+---+             +---+----*--------------------+
 S0 |1  +--+ 16| VCC         |/EN|/RST| Function           |
 S1 |2       15| /RST        +===+====*====================+
 S2 |3       14| /EN         | 0 |  0 | 1-of-8 demultiplex |
 Q0 |4   74  13| D           | 0 |  1 | addressable latch  |
 Q1 |5  259  12| Q7          | 1 |  0 | reset              |
 Q2 |6       11| Q6          | 1 |  1 | hold               |
 Q3 |7       10| Q5          +---+----*--------------------+
GND |8        9| Q4
    +----------+

74260

Dual 5-input NOR gates.

    +---+--+---+                 ___________
 1A |1  +--+ 14| VCC         Y = (A+B+C+D+E)
 1B |2       13| 2D
 1E |3   74  12| 2C
 1C |4  260  11| 2E
 1D |5       10| 2B
/1Y |6        9| 2A
GND |7        8| /2Y
    +----------+

74265

Dual buffer/inverter plus dual AND/NAND gates.

    +---+--+---+
 1A |1  +--+ 16| VCC         1Y=1A
 1Y |2       15| 4A
/1Y |3       14| 4Y          2Y=2A.2B
 2A |4   74  13| /4Y
 2B |5  265  12| 3B          3Y=3A.3B
 2Y |6       11| 3A
/2Y |7       10| 3Y          4Y=4A
GND |8        9| /3Y
    +----------+

74266

Quad 2-input open-collector XNOR gates.

    +---+--+---+             +---+---*---+          _     _ _
 1A |1  +--+ 14| VCC         | A | B |/Y |     Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
/1Y |3  74   12| 4A          | 0 | 0 | Z |
 2A |4  266  11| /4Y         | 0 | 1 | 0 |
 2B |5       10| 3B          | 1 | 0 | 0 |
/2Y |6        9| 3A          | 1 | 1 | Z |
GND |7        8| /3Y         +---+---*---+
    +----------+

74273

8-bit 3-state D flip-flop with reset.

     +---+--+---+            +----+---+---*---+
/RST |1  +--+ 20| VCC        |/RST|CLK| D | Q |
  1Q |2       19| 8Q         +====+===+===*===+
  1D |3       18| 8D         |  0 | X | X | 0 |
  2D |4       17| 7D         |  1 | / | 0 | 0 |
  2Q |5   74  16| 7Q         |  1 | / | 1 | 1 |
  3Q |6  273  15| 6Q         +----+---+---*---+
  3D |7       14| 6D
  4D |8       13| 5D
  4Q |9       12| 5Q
 GND |10      11| CLK
     +----------+

74276

Quad J-K and J-/K flip-flops with common set and reset.

      +---+--+---+
 /RST |1  +--+ 20| VCC
   1J |2       19| 4J
/1CLK |3       18| /4CLK
  /1K |4       17| 4K
   1Q |5   74  16| 4Q
   2Q |6  276  15| 3Q
  /2K |7       14| /3K
/2CLK |8       13| /3CLK
   2J |9       12| 3J
  GND |10      11| /SET
      +----------+

74279

Quad /S-/R latches.

     +---+--+---+
 /1R |1  +--+ 16| VCC
/1S1 |2       15| /4S
/1S2 |3       14| /4R
  1Q |4   74  13| 4Q
 /2R |5  279  12| /3S2
 /2S |6       11| /3S1
  2Q |7       10| /3R
 GND |8        9| 3Q
     +----------+

74280

9-bit odd/even parity generator/checker.

      +---+--+---+
   A0 |1  +--+ 14| VCC
   A1 |2       13| A8
      |3   74  12| A7
   A2 |4  280  11| A6
 EVEN |5       10| A5
  ODD |6        9| A4
  GND |7        8| A3
      +----------+

74283

4-bit binary full adder with fast carry.

    +---+--+---+
 S2 |1  +--+ 16| VCC         S=A+B+CIN
 B2 |2       15| B3
 A2 |3       14| A3
 S1 |4   74  13| S3
 A1 |5  283  12| A4
 B1 |6       11| B4
CIN |7       10| S4
GND |8        9| COUT
    +----------+

74285

4-bit binary multiplier with open-collector outputs.

    +---+--+---+
 2C |1  +--+ 16| VCC
 2B |2       15| 2D
 2A |3       14| /GA
 1D |4   74  13| /GB
 1A |5  285  12| Y0
 1B |6       11| Y1
 1C |7       10| Y2
GND |8        9| Y3
    +----------+

74286

9-bit odd/even parity generator/checker with bus driver parity I/O port.

      +---+--+---+
   A0 |1  +--+ 14| VCC
   A1 |2       13| A8
/XMIT |3   74  12| A7
   A2 |4  286  11| A6
ERROR |5       10| A5
 PI/O |6        9| A4
  GND |7        8| A3
      +----------+

74290

4-bit asynchronous decade counter with /2 and /5 sections, set(9) and reset.

     +---+--+---+
SET1 |1  +--+ 14| VCC
     |2       13| RST2
SET2 |3   74  12| RST1
  Q2 |4  290  11| /CLK1
  Q1 |5       10| /CLK0
     |6        9| Q0
 GND |7        8| Q3
     +----------+

74292

15-bit programmable frequency divider/digital timer.
Digitally programmable from 2^2 to 2^15.

     +---+--+---+
  S1 |1  +--+ 16| VCC
  S4 |2       15| S2
 TP1 |3       14| S3
CLK1 |4  74   13| TP3
CLK2 |5  292  12|
 TP2 |6       11| /RST
   Q |7       10| S0
 GND |8        9|
     +----------+

74293

4-bit asynchronous binary counter with /2 and /8 sections and reset.

     +---+--+---+
     |1  +--+ 14| VCC
     |2       13| RST2
     |3       12| RST1
  Q2 |4  74   11| /CLK1
  Q1 |5  293  10| /CLK0
     |6        9| Q0
 GND |7        8| Q3
     +----------+

74294

15-bit programmable frequency divider/digital timer.
Digitally programmable from 2^2 to 2^15.

     +---+--+---+
  S1 |1  +--+ 16| VCC
  S0 |2       15| S2
  TP |3       14| S3
CLK1 |4  74   13|
CLK2 |5  294  12|
     |6       11| /RST
   Q |7       10|
 GND |8        9|
     +----------+

74295

4-bit 3-state negative-edge-triggered universal shift register.

       +---+--+---+
     D |1  +--+ 14| VCC
    P0 |2       13| Y0
    P1 |3       12| Y1
    P2 |4  74   11| Y2
    P3 |5  295  10| Y3
LD//SH |6        9| /CLK
   GND |7        8| OE
       +----------+

74297

Digital phase-locked loop with 4-bit counter.

      +---+--+---+
   D1 |1  +--+ 16| VCC
   D0 |2       15| D2
   EN |3       14| D3
  KCP |4  74   13| PA2
 I//D |5  297  12| ECPD
 D//U |6       11| XORPD
IDout |7       10| PB
  GND |8        9| PA1
      +----------+

74298

8-to-4 line noninverting data selector/multiplexer with output registers.

    +---+--+---+
2A1 |1  +--+ 16| VCC
2A0 |2       15| 1Q
1A0 |3       14| 2Q
1A1 |4   74  13| 3Q
3A1 |5  298  12| 4Q
4A1 |6       11| CLK
4A0 |7       10| S
GND |8        9| 3A0
    +----------+

74299

8-bit 3-state bidirectional universal shift register with asynchronous reset and with separate shift left and shift right serial inputs. Multiplexed parallel I/O.

     +---+--+---+
  S0 |1  +--+ 20| VCC
/OE1 |2       19| S1
/OE2 |3       18| D
  P6 |4       17| Q7
  P4 |5   74  16| P7
  P2 |6  299  15| P5
  P0 |7       14| P3
  Q0 |8       13| P1
/RST |9       12| CLK
 GND |10      11| L
     +----------+

 

74303

8-line inverting/noninverting divide by 2 clock driver.
Six outputs in phase with CLK, two out of phase.

    +---+--+---+
 Q3 |1  +--+ 16| Q2
 Q4 |2       15| Q1
GND |3       14| /RST
GND |4   74  13| VCC
GND |5  303  12| VCC
 Q5 |6       11| CLK
 Q6 |7       10| /PRE
/Q7 |8        9| /Q8
    +----------+

74304

8-line noninverting divide by 2 clock driver.

    +---+--+---+
 Q3 |1  +--+ 16| Q2
 Q4 |2       15| Q1
GND |3       14| /RST
GND |4   74  13| VCC
GND |5  304  12| VCC
 Q5 |6       11| CLK
 Q6 |7       10| /PRE
 Q7 |8        9| Q8
    +----------+

74305

8-line inverting/noninverting divide by 2 clock driver.
Four outputs in phase with CLK, four out of phase.

    +---+--+---+
 Q3 |1  +--+ 16| Q2
 Q4 |2       15| Q1
GND |3       14| /RST
GND |4   74  13| VCC
GND |5  305  12| VCC
/Q5 |6       11| CLK
/Q6 |7       10| /PRE
/Q7 |8        9| /Q8
    +----------+

74306

2-bit 3-state noninverting buffer/line driver.

     +---+--+---+            +---+---*---+
/1OE |1  +--+  8| 1Y         | A |/OE| Y |
  1A |2   74   7| VCC        +===+===*===+
 GND |3  306   6| 1A         | 0 | 0 | 0 |
/2OE |4        5| 2Y         | 1 | 0 | 1 |
     +----------+            | X | 1 | Z |
                             +---+---*---+

74322

8-bit 3-state shift register with with sign extension and selectable serial inputs. Multiplexed parallel I/O.

       +---+--+---+
   /OE |1  +--+ 20| VCC
SH//LD |2       19| E//D
     D |3       18| /SEXT
    P0 |4       17| E
    P2 |5   74  16| P1
    P4 |6  322  15| P3
    P6 |7       14| P5
   /OE |8       13| P7
  /RST |9       12| Q7
   GND |10      11| CLK
       +----------+

74323

8-bit 3-state bidirectional universal shift register with reset and multiplexed parallel I/O.

     +---+--+---+
  S0 |1  +--+ 20| VCC
/OE1 |2       19| S1
/OE2 |3       18| D
  P6 |4       17| Q7
  P4 |5   74  16| P7
  P2 |6  323  15| P5
  P0 |7       14| P3
  Q0 |8       13| P1
/RST |9       12| CLK
 GND |10      11| L
     +----------+

74328

6-line selectable phase clock driver.

    +---+--+---+
GND |1  +--+ 16| 1Y1
1Y2 |2       15| SEL1
2Y1 |3       14| VCC
GND |4   74  13| SEL2
2Y2 |5  328  12| A
3Y1 |6       11| VCC
GND |7       10| SEL3
4Y1 |8        9| SEL4
    +----------+

74329

6-line selectable phase clock driver.

    +---+--+---+
GND |1  +--+ 16| 1Y1
1Y2 |2       15| SEL1
2Y1 |3       14| VCC
GND |4   74  13| SEL2
2Y2 |5  329  12| A
3Y1 |6       11| VCC
GND |7       10| SEL3
4Y1 |8        9| SEL4
    +----------+

74330

Dual 1-line to 3-line noninverting clock driver and 1-line to 4-line noninverting divide by 2 clock driver.

     +---+--+---+
 GND |1  +--+ 24| OEQ
  Q1 |2       23| Q3
  Q2 |3       22| CLKQ
 GND |4       21| VCC
  X1 |5       20| RST
 OEX |6   74  19| X3
CLKX |7  330  18| GND
  X2 |8       17| X4
 GND |9       16| VCC
  Y1 |10      15| OEY
  Y2 |11      14| Y3
 GND |12      13| CLKY
     +----------+

74337

8-line 3-state noninverting clock driver with divide by 2 output on 4 lines.

     +---+--+---+
  Y3 |1  +--+ 20| Y2
 GND |2       19| GND
  Y4 |3       18| Y1
 VCC |4       17| VCC
 /OE |5   74  16| CLK
/RST |6  337  15| GND
 VCC |7       14| VCC
  Q1 |8       13| Q4
 GND |9       12| GND
  Q2 |10      11| Q3
     +----------+

74338

6-line noninverting clock driver with divide by 2 and PLL.
Four outputs toggle at the clock, one at one-half, one at double speed.

    +---+--+---+
GND |1  +--+ 20| /OE
 Y1 |2       19| VCC
GND |3       18| DF
 Y2 |4       17| VCC
GND |5   74  16| CLKIN
GND |6  338  15| GND
 Y3 |7       14| HF
GND |8       13| VCC
 Y4 |9       12| /RST
GND |10      11| VCC
    +----------+

74339

8-line 3-state noninverting clock driver with divide by 2 output on 4 lines.

     +---+--+---+
  Y3 |1  +--+ 20| Y2
 GND |2       19| GND
  Y4 |3       18| Y1
 VCC |4       17| VCC
 /OE |5   74  16| CLK
/RST |6  339  15| GND
 VCC |7       14| VCC
  Q1 |8       13| Q4
 GND |9       12| GND
  Q2 |10      11| Q3
     +----------+

74340

8-line inverting clock driver.

    +---+--+---+
VCC |1  +--+ 20| VCC
 E1 |2       19| Q1
 E2 |3       18| Q2
 IN |4       17| GND
 P0 |5   74  16| Q3
 P1 |6  340  15| Q4
VCC |7       14| GND
 Q8 |8       13| Q5
 Q7 |9       12| Q6
GND |10      11| GND
    +----------+

74348

8-to-3 line 3-state inverting priority encoder with cascade inputs.

    +---+--+---+
/A4 |1  +--+ 16| VCC
/A5 |2       15| /EO
/A6 |3       14| /GS
/A7 |4   74  13| /A3
/EI |5  348  12| /A2
 Y2 |6       11| /A1
 Y1 |7       10| /A0
GND |8        9| Y0
    +----------+

74352

8-to-2 line inverting data selector/multiplexer with separate enables.

     +---+--+---+
/1EN |1  +--+ 16| VCC
  S1 |2       15| /2EN
 1A3 |3       14| S0
 1A2 |4   74  13| 2A3
 1A1 |5  352  12| 2A2
 1A0 |6       11| 2A1
  1Y |7       10| 2A0
 GND |8        9| 2Y
     +----------+

74353

8-to-2 line 3-state inverting data selector/multiplexer.

     +---+--+---+
/1EN |1  +--+ 16| VCC
  S1 |2       15| /2EN
 1A3 |3       14| S0
 1A2 |4   74  13| 2A3
 1A1 |5  353  12| 2A2
 1A0 |6       11| 2A1
 /1Y |7       10| 2A0
 GND |8        9| /2Y
     +----------+

74354

8-to-1 line 3-state data selector/multiplexer with address and data latches and complementary outputs.

    +---+--+---+
 A7 |1  +--+ 20| VCC
 A6 |2       19| Y
 A5 |3       18| /Y
 A4 |4       17| OE3
 A3 |5  74   16| /OE2
 A2 |6  354  15| /OE1
 A1 |7       14| A0
 A0 |8       13| A1
DLE |9       12| A2
GND |10      11| ALE
    +----------+

74356

8-to-1 line 3-state data selector/multiplexer with address latch and data register and complementary outputs.

    +---+--+---+
 A7 |1  +--+ 20| VCC
 A6 |2       19| Y
 A5 |3       18| /Y
 A4 |4       17| OE3
 A3 |5  74   16| /OE2
 A2 |6  356  15| /OE1
 A1 |7       14| A0
 A0 |8       13| A1
DLE |9       12| A2
GND |10      11| ALE
    +----------+

74365

6-bit 3-state noninverting buffer/line driver.

     +---+--+---+            +---+---*---+
/OE1 |1  +--+ 16| VCC        |/OE| A | Y |
  A1 |2       15| /OE2       +===+===*===+
  Y1 |3       14| A6         | 1 | X | Z |
  A2 |4   74  13| Y6         | 0 | 0 | 0 |
  Y2 |5  365  12| A5         | 0 | 1 | 1 |
  A3 |6       11| Y5         +---+---*---+
  Y3 |7       10| A4
 GND |8        9| Y4
     +----------+

74366

6-bit 3-state inverting buffer/line driver.

     +---+--+---+            +---+---*---+
/OE1 |1  +--+ 16| VCC        |/OE| A |/Y |
  A1 |2       15| /OE2       +===+===*===+
 /Y1 |3       14| A6         | 1 | X | Z |
  A2 |4   74  13| /Y6        | 0 | 0 | 1 |
 /Y2 |5  366  12| A5         | 0 | 1 | 0 |
  A3 |6       11| /Y5        +---+---*---+
 /Y3 |7       10| A4
 GND |8        9| /Y4
     +----------+

74367

2/4-bit 3-state noninverting buffer/line driver.

     +---+--+---+            +---+---*---+
/1OE |1  +--+ 16| VCC        |/OE| A | Y |
 1A1 |2       15| /2OE       +===+===*===+
 1Y1 |3       14| 2A2        | 1 | X | Z |
 1A2 |4   74  13| 2Y2        | 0 | 0 | 0 |
 1Y2 |5  367  12| 2A1        | 0 | 1 | 1 |
 1A3 |6       11| 2Y1        +---+---*---+
 1Y3 |7       10| 1A4
 GND |8        9| 1Y4
     +----------+

74368

2/4-bit 3-state inverting buffer/line driver.

     +---+--+---+            +---+---*---+
/1OE |1  +--+ 16| VCC        |/OE| A |/Y |
 1A1 |2       15| /2OE       +===+===*===+
/1Y1 |3       14| 2A2        | 1 | X | Z |
 1A2 |4   74  13| /2Y2       | 0 | 0 | 1 |
/1Y2 |5  368  12| 2A1        | 0 | 1 | 0 |
 1A3 |6       11| /2Y1       +---+---*---+
/1Y3 |7       10| 1A4
 GND |8        9| /1Y4
     +----------+

74373

8-bit 3-state transparent latch.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE| LE| D | Q |
 Q1 |2       19| Q8          +===+===+===*===+
 D1 |3       18| D8          | 1 | X | X | Z |
 D2 |4       17| D7          | 0 | 0 | X | - |
 Q2 |5   74  16| Q7          | 0 | 1 | 0 | 0 |
 Q3 |6  373  15| Q6          | 0 | 1 | 1 | 1 |
 D3 |7       14| D6          +---+---+---*---+
 D4 |8       13| D5
 Q4 |9       12| Q5
GND |10      11| LE
    +----------+

74374

8-bit 3-state D flip-flop.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D | Q |
 Q1 |2       19| Q8          +===+===+===*===+
 D1 |3       18| D8          | 1 | X | X | Z |
 D2 |4       17| D7          | 0 | / | 0 | 0 |
 Q2 |5   74  16| Q7          | 0 | / | 1 | 1 |
 Q3 |6  374  15| Q6          | 0 |!/ | X | - |
 D3 |7       14| D6          +---+---+---*---+
 D4 |8       13| D5
 Q4 |9       12| Q5
GND |10      11| CLK
    +----------+

74375

Dual 2-bit transparent latches with complementary outputs.

     +---+--+---+
 1D1 |1  +--+ 16| VCC
/1Q1 |2       15| 2D1
 1Q1 |3       14| /2Q1
 1LE |4   74  13| 2Q1
 1Q2 |5  375  12| 2LE
/1Q2 |6       11| 2Q2
 1D2 |7       10| /2Q2
 GND |8        9| 2D2
     +----------+

74376

4-bit J-/K flip-flop with reset.

     +---+--+---+            +---+---+---+----*---+---+
/RST |1  +--+ 16| VCC        | J |/K |CLK|/RST| Q |/Q |
  J1 |2       15| J4         +===+===+===+====*===+===+
 /K1 |3       14| /K4        | X | X | X |  0 | 0 | 1 |
  Q1 |4   74  13| Q4         | 0 | 0 | / |  1 | 0 | 1 |
  Q2 |5  376  12| Q3         | 0 | 1 | / |  1 | - | - |
 /K2 |6       11| /K3        | 1 | 0 | / |  1 |/Q | Q |
  J2 |7       10| J3         | 1 | 1 | / |  1 | 1 | 0 |
 GND |8        9| CLK        | X | X |!/ |  1 | - | - |
     +----------+            +---+---+---+----*---+---+

74377

8-bit D flip-flop with clock enable.

       +---+--+---+          +----+---+---*---+
/CLKEN |1  +--+ 20| VCC      |/CEN|CLK| D | Q |
    Q1 |2       19| Q8       +====+===+===*===+
    D1 |3       18| D8       |  1 | X | X | - |
    D2 |4       17| D7       |  0 | / | 0 | 0 |
    Q2 |5   74  16| Q7       |  0 | / | 1 | 1 |
    Q3 |6  377  15| Q6       |  0 |!/ | X | - |
    D3 |7       14| D6       +----+---+---*---+
    D4 |8       13| D5
    Q4 |9       12| Q5
   GND |10      11| CLK
       +----------+

74378

6-bit D flip-flop with clock enable.

       +---+--+---+          +----+---+---*---+
/CLKEN |1  +--+ 16| VCC      |/CEN|CLK| D | Q |
    Q1 |2       15| Q6       +====+===+===*===+
    D1 |3       14| D6       |  1 | X | X | - |
    D2 |4   74  13| D5       |  0 | / | 0 | 0 |
    Q2 |5  378  12| Q5       |  0 | / | 1 | 1 |
    D3 |6       11| D4       |  0 |!/ | X | - |
    Q3 |7       10| Q4       +----+---+---*---+
   GND |8        9| CLK
       +----------+

74379

6-bit D flip-flop with clock enable and complementary outputs.

       +---+--+---+          +----+---+---*---+---+
/CLKEN |1  +--+ 16| VCC      |/CEN|CLK| D | Q |/Q |
    Q1 |2       15| Q4       +====+===+===*===+===+
   /Q1 |3       14| /Q4      |  1 | X | X | - | - |
    D1 |4   74  13| D4       |  0 | / | 0 | 0 | 1 |
    D2 |5  379  12| D3       |  0 | / | 1 | 1 | 0 |
   /Q2 |6       11| /Q3      |  0 |!/ | X | - | - |
    Q2 |7       10| Q3       +----+---+---*---+---+
   GND |8        9| CLK
       +----------+

74381

4-bit 8-function arithmetic logic unit (ALU)

    +---+--+---+
 A1 |1  +--+ 20| VCC
 B1 |2       19| A2
 A0 |3       18| B2
 B0 |4       17| A3
 S0 |5   74  16| B3
 S1 |6  381  15| CIN
 S2 |7       14| /P
 F0 |8       13| /G
 F1 |9       12| F3
GND |10      11| F2
    +----------+

74382

4-bit 8-function arithmetic logic unit (ALU) with ripple carry and overflow outputs.

    +---+--+---+
 A1 |1  +--+ 20| VCC
 B1 |2       19| A2
 A0 |3       18| B2
 B0 |4       17| A3
 S0 |5   74  16| B3
 S1 |6  382  15| CIN
 S2 |7       14| COUT
 F0 |8       13| OVR
 F1 |9       12| F3
GND |10      11| F2
    +----------+

74385

Quad serial adder/subtractor.
Contains four independent adder/subtractor elements with common clock and carry reset.

      +---+--+---+
  CLK |1  +--+ 20| VCC
   1S |2       19| 4S
1S//A |3       18| 4S//A
   1B |4       17| 4B
   1A |5   74  16| 4A
   2A |6  385  15| 3A
   2B |7       14| 3B
2S//A |8       13| 3S//A
   2S |9       12| 3S
  GND |10      11| RST
      +----------+

74386

Quad 2-input XOR gates.

    +---+--+---+             +---+---*---+                    _   _
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
 1Y |3  74   12| 4A          | 0 | 0 | 0 |
 2Y |4  386  11| 4Y          | 0 | 1 | 1 |
 2A |5       10| 3Y          | 1 | 0 | 1 |
 2B |6        9| 3B          | 1 | 1 | 0 |
GND |7        8| 3A          +---+---*---+
    +----------+

74390

Dual 4-bit asynchronous decade counters with separate /2 and /5 sections and reset.

       +---+--+---+
/1CLK0 |1  +--+ 16| VCC
  1RST |2       15| /2CLK0
   1Q0 |3       14| 2RST
/1CLK1 |4   74  13| 2Q0
   1Q1 |5  390  12| /2CLK1
   1Q2 |6       11| 2Q1
   1Q3 |7       10| 2Q2
   GND |8        9| 2Q3
       +----------+

74393

Dual 4-bit asynchronous binary counters with reset.

      +---+--+---+
/1CLK |1  +--+ 14| VCC
 1RST |2       13| /2CLK
  1Q0 |3   74  12| 2RST
  1Q1 |4  393  11| 2Q0
  1Q2 |5       10| 2Q1
  1Q3 |6        9| 2Q2
  GND |7        8| 2Q3
      +----------+

74395

4-bit 3-state universal shift register with load and asynchronous reset.

       +---+--+---+
  /RST |1  +--+ 16| VCC
     D |2       15| Y0
    P0 |3       14| Y1
    P1 |4   74  13| Y2
    P2 |5  395  12| Y3
    P3 |6       11| Q3
LD//SH |7       10| CLK
   GND |8        9| /OE
       +----------+

74398

8-to-4 line data selector/multiplexer with output registers and complementary outputs.

    +---+--+---+
  S |1  +--+ 20| VCC
 1Y |2       19| 4Y
/1Y |3       18| /4Y
1A0 |4       17| 4A0
1A1 |5   74  16| 4A1
2A1 |6  398  15| 3A1
2A0 |7       14| 3A0
/2Y |8       13| /3Y
 2Y |9       12| 3Y
GND |10      11| CLK
    +----------+

74399

8-to-4 line inverting data selector/multiplexer with output registers.

    +---+--+---+
  S |1  +--+ 16| VCC
 1Y |2       15| 4Y
1A0 |3       14| 4A0
1A1 |4   74  13| 4A1
2A1 |5  399  12| 3A1
2A0 |6       11| 3A0
 2Y |7       10| 3Y
GND |8        9| CLK
    +----------+

 

74423

Dual retriggerable monostable multivibrator with overriding reset.
Cannot be triggered via reset input.

       +---+--+---+
  /1TR |1  +--+ 16| VCC
   1TR |2       15| 1RCext
 /1RST |3       14| 1Cext
   /1Q |4   74  13| 1Q
    2Q |5  423  12| /2Q
 2Cext |6       11| /2RST
2RCext |7       10| 2TR
   GND |8        9| /2TR
       +----------+

74465

8-bit 3-state noninverting buffer/line driver.

     +---+--+---+
/OE1 |1  +--+ 20| VCC
  A1 |2       19| /OE2
  Y1 |3       18| A8
  A2 |4       17| Y8
  Y2 |5  74   16| A7
  A3 |6  465  15| Y7
  Y3 |7       14| A6
  A4 |8       13| Y6
  Y4 |9       12| A5
 GND |10      11| Y5
     +----------+

74490

Dual 4-bit asynchronous decade counters with set(9) and reset.

      +---+--+---+
/1CLK |1  +--+ 16| VCC
 1RST |2       15| /2CLK
  1QA |3       14| 2RST
 1SET |4   74  13| 2Q0
  1QB |5  490  12| 2SET
  1QC |6       11| 2Q1
  1QD |7       10| 2Q2
  GND |8        9| 2Q3
      +----------+

74519

8-bit open-collector noninverting identity comparator with enable.

    +---+--+---+
/OE |1  +--+ 20| VCC
 A0 |2       19| A=B
 B0 |3       18| B7
 A1 |4       17| A7
 B1 |5   74  16| B6
 A2 |6  519  15| A6
 B2 |7       14| B5
 A3 |8       13| A5
 B3 |9       12| B4
GND |10      11| A4
    +----------+

74520

8-bit inverting identity comparator with itegrated 20k pull-up resistors and enable.

    +---+--+---+
/EN |1  +--+ 20| VCC
 A0 |2       19| A=B
 B0 |3       18| B7
 A1 |4       17| A7
 B1 |5   74  16| B6
 A2 |6  520  15| A6
 B2 |7       14| B5
 A3 |8       13| A5
 B3 |9       12| B4
GND |10      11| A4
    +----------+

74521

8-bit inverting identity comparator with enable.

    +---+--+---+
/OE |1  +--+ 20| VCC
 A0 |2       19| A=B
 B0 |3       18| B7
 A1 |4       17| A7
 B1 |5   74  16| B6
 A2 |6  521  15| A6
 B2 |7       14| B5
 A3 |8       13| A5
 B3 |9       12| B4
GND |10      11| A4
    +----------+

74533

8-bit 3-state inverting transparent latch.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE| LE| D | Q |
/Q1 |2       19| /Q8         +===+===+===*===+
 D1 |3       18| D8          | 1 | X | X | Z |
 D2 |4       17| D7          | 0 | 0 | X | - |
/Q2 |5   74  16| /Q7         | 0 | 1 | 0 | 0 |
/Q3 |6  533  15| /Q6         | 0 | 1 | 1 | 1 |
 D3 |7       14| D6          +---+---+---*---+
 D4 |8       13| D5
/Q4 |9       12| /Q5
GND |10      11| LE
    +----------+

74534

8-bit 3-state inverting D flip-flop.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D |/Q |
/Q1 |2       19| /Q8         +===+===+===*===+
 D1 |3       18| D8          | 1 | X | X | Z |
 D2 |4       17| D7          | 0 | / | 0 | 1 |
/Q2 |5   74  16| /Q7         | 0 | / | 1 | 0 |
/Q3 |6  534  15| /Q6         | 0 |!/ | X | - |
 D3 |7       14| D6          +---+---+---*---+
 D4 |8       13| D5
/Q4 |9       12| /Q5
GND |10      11| CLK
    +----------+

74540

8-bit 3-state inverting buffer/line driver.

     +---+--+---+
/OE1 |1  +--+ 20| VCC
  A1 |2       19| /OE2
  A2 |3       18| /Y1
  A3 |4       17| /Y2
  A4 |5   74  16| /Y3
  A5 |6  540  15| /Y4
  A6 |7       14| /Y5
  A7 |8       13| /Y6
  A8 |9       12| /Y7
 GND |10      11| /Y8
     +----------+

74541

8-bit 3-state noninverting buffer/line driver.

     +---+--+---+
/OE1 |1  +--+ 20| VCC
  A1 |2       19| /OE2
  A2 |3       18| Y1
  A3 |4       17| Y2
  A4 |5   74  16| Y3
  A5 |6  541  15| Y4
  A6 |7       14| Y5
  A7 |8       13| Y6
  A8 |9       12| Y7
 GND |10      11| Y8
     +----------+

74543

8-bit 3-state noninverting registered transceiver.

      +---+--+---+
/LEBA |1  +--+ 24| VCC
 /GBA |2       23| /CEBA
   A1 |3       22| B1
   A2 |4       21| B2
   A3 |5       20| B3
   A4 |6   74  19| B4
   A5 |7  543  18| B5
   A6 |8       17| B6
   A7 |9       16| B7
   A8 |10      15| B8
/CEAB |11      14| /LEAB
  GND |12      13| /GAB
      +----------+

74544

8-bit 3-state inverting registered transceiver.

      +---+--+---+
/LEBA |1  +--+ 24| VCC
 /GBA |2       23| /CEBA
   A1 |3       22| B1
   A2 |4       21| B2
   A3 |5       20| B3
   A4 |6   74  19| B4
   A5 |7  544  18| B5
   A6 |8       17| B6
   A7 |9       16| B7
   A8 |10      15| B8
/CEAB |11      14| /LEAB
  GND |12      13| /GAB
      +----------+

74561

4-bit 3-state synchronous binary counter with sync/async load, sync/async reset, and ripple/clocked carry output.

      +---+--+---+
 /ALD |1  +--+ 20| VCC
  CLK |2       19| RCO
   P0 |3       18| CCO
   P1 |4       17| /OE
   P2 |5   74  16| Q0
   P3 |6  561  15| Q1
  ENP |7       14| Q2
/ARST |8       13| Q3
/SRST |9       12| ENT
  GND |10      11| /SLD
      +----------+

74563

8-bit 3-state inverting transparent latch.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE| LE| D |/Q |
 D1 |2       19| /Q1         +===+===+===*===+
 D2 |3       18| /Q2         | 1 | X | X | Z |
 D3 |4       17| /Q3         | 0 | 0 | X | - |
 D4 |5   74  16| /Q4         | 0 | 1 | 0 | 1 |
 D5 |6  563  15| /Q5         | 0 | 1 | 1 | 0 |
 D6 |7       14| /Q6         +---+---+---*---+
 D7 |8       13| /Q7
 D8 |9       12| /Q8
GND |10      11| LE
    +----------+

74564

8-bit 3-state inverting D flip-flop.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D |/Q |
 D1 |2       19| /Q1         +===+===+===*===+
 D2 |3       18| /Q2         | 1 | X | X | Z |
 D3 |4       17| /Q3         | 0 | / | 0 | 1 |
 D4 |5   74  16| /Q4         | 0 | / | 1 | 0 |
 D5 |6  564  15| /Q5         | 0 |!/ | X | - |
 D6 |7       14| /Q6         +---+---+---*---+
 D7 |8       13| /Q7
 D8 |9       12| /Q8
GND |10      11| CLK
    +----------+

74568

4-bit 3-state synchronous decade up/down counter with load, sync/async reset, and ripple/clocked carry output.

      +---+--+---+
 U//D |1  +--+ 20| VCC
  CLK |2       19| /RCO
   P0 |3       18| /CCO
   P1 |4       17| /OE
   P2 |5   74  16| Q0
   P3 |6  568  15| Q1
 /ENP |7       14| Q2
/ARST |8       13| Q3
/SRST |9       12| /ENT
  GND |10      11| /LOAD
      +----------+

74569

4-bit 3-state synchronous binary up/down counter with load, sync/async reset, and ripple/clocked carry output.

      +---+--+---+
 U//D |1  +--+ 20| VCC
  CLK |2       19| /RCO
   P0 |3       18| /CCO
   P1 |4       17| /OE
   P2 |5   74  16| Q0
   P3 |6  569  15| Q1
 /ENP |7       14| Q2
/ARST |8       13| Q3
/SRST |9       12| /ENT
  GND |10      11| /LOAD
      +----------+

74573

8-bit 3-state transparent latch.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE| LE| D |/Q |
 D1 |2       19| Q1          +===+===+===*===+
 D2 |3       18| Q2          | 1 | X | X | Z |
 D3 |4       17| Q3          | 0 | 0 | X | - |
 D4 |5   74  16| Q4          | 0 | 1 | 0 | 0 |
 D5 |6  573  15| Q5          | 0 | 1 | 1 | 1 |
 D6 |7       14| Q6          +---+---+---*---+
 D7 |8       13| Q7
 D8 |9       12| Q8
GND |10      11| LE
    +----------+

74574

8-bit 3-state D flip-flop.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D | Q |
 D1 |2       19| Q1          +===+===+===*===+
 D2 |3       18| Q2          | 1 | X | X | Z |
 D3 |4       17| Q3          | 0 | / | 0 | 0 |
 D4 |5   74  16| Q4          | 0 | / | 1 | 1 |
 D5 |6  574  15| Q5          | 0 |!/ | X | - |
 D6 |7       14| Q6          +---+---+---*---+
 D7 |8       13| Q7
 D8 |9       12| Q8
GND |10      11| CLK
    +----------+

74575

8-bit 3-state D flip-flop with reset.

     +---+--+---+            +----+---+---+---*---+
/RST |1  +--+ 24| VCC        |/RST|/OE|CLK| D | Q |
 /OE |2       23|            +====+===+===+===*===+
  D1 |3       22| Q1         |  0 | 1 | X | X | Z |
  D2 |4       21| Q2         |  X | 0 | X | X | 0 |
  D3 |5       20| Q3         |  1 | 0 | / | 0 | 0 |
  D4 |6   74  19| Q4         |  1 | 0 | / | 1 | 1 |
  D5 |7  575  18| Q5         |  1 | 0 |!/ | X | - |
  D6 |8       17| Q6         +----+---+---+---*---+
  D7 |9       16| Q7
  D8 |10      15| Q8
     |11      14| CLK
 GND |12      13|
     +----------+

74576

8-bit 3-state inverting D flip-flop.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D |/Q |
 D1 |2       19| /Q1         +===+===+===*===+
 D2 |3       18| /Q2         | 1 | X | X | Z |
 D3 |4       17| /Q3         | 0 | / | 0 | 1 |
 D4 |5   74  16| /Q4         | 0 | / | 1 | 0 |
 D5 |6  576  15| /Q5         | 0 |!/ | X | - |
 D6 |7       14| /Q6         +---+---+---*---+
 D7 |8       13| /Q7
 D8 |9       12| /Q8
GND |10      11| CLK
    +----------+

74577

8-bit 3-state inverting D flip-flop with reset.

     +---+--+---+            +----+---+---+---*---+
/RST |1  +--+ 24| VCC        |/RST|/OE|CLK| D |/Q |
 /OE |2       23|            +====+===+===+===*===+
  D1 |3       22| /Q1        |  0 | 1 | X | X | Z |
  D2 |4       21| /Q2        |  X | 0 | X | X | 1 |
  D3 |5       20| /Q3        |  1 | 0 | / | 0 | 1 |
  D4 |6   74  19| /Q4        |  1 | 0 | / | 1 | 0 |
  D5 |7  577  18| /Q5        |  1 | 0 |!/ | X | - |
  D6 |8       17| /Q6        +----+---+---+---*---+
  D7 |9       16| /Q7
  D8 |10      15| /Q8
     |11      14| CLK
 GND |12      13|
     +----------+

74580

8-bit 3-state inverting transparent latch.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE| LE| D |/Q |
 D1 |2       19| /Q1         +===+===+===*===+
 D2 |3       18| /Q2         | 1 | X | X | Z |
 D3 |4       17| /Q3         | 0 | 0 | X | - |
 D4 |5   74  16| /Q4         | 0 | 1 | 0 | 1 |
 D5 |6  580  15| /Q5         | 0 | 1 | 1 | 0 |
 D6 |7       14| /Q6         +---+---+---*---+
 D7 |8       13| /Q7
 D8 |9       12| /Q8
GND |10      11| LE
    +----------+

74589

8-bit 3-state parallel-in serial-out shift register with input registers.
Independent clocks for shift and storage registers.

    +---+--+---+
 P1 |1  +--+ 16| VCC
 P2 |2       15| P0
 P3 |3       14| D
 P4 |4   74  13| SH//LD
 P5 |5  589  12| RCLK
 P6 |6       11| SCLK
 P7 |7       10| /OE
GND |8        9| Q7
    +----------+

74590

8-bit 3-state synchronous binary counter with reset and output registers.
Separate clocks for both counter and storage register, ripple carry output.

    +---+--+---+
 Q1 |1  +--+ 16| VCC
 Q2 |2       15| Q0
 Q3 |3       14| /OE
 Q4 |4   74  13| RCLK
 Q5 |5  590  12| /CLKEN
 Q6 |6       11| CCLK
 Q7 |7       10| /CRST
GND |8        9| /RCO
    +----------+

74592

8-bit synchronous binary counter with input registers.
Separate clocks for counter and input register. Counter outputs only internally connected but ripple carry and clock outputs available.

    +---+--+---+
 P1 |1  +--+ 16| VCC
 P2 |2       15| P0
 P3 |3       14| /CLOAD
 P4 |4   74  13| RCLK
 P5 |5  592  12| /CLKEN
 P6 |6       11| CCLK
 P7 |7       10| /CRST
GND |8        9| /RCO
    +----------+

74593

8-bit 3-state synchronous binary counter with input registers and ripple carry and clock outputs. Separate clocks for counter and input registers.

     +---+--+---+
  P0 |1  +--+ 20| VCC
  P1 |2       19| OE
  P2 |3       18| /OE
  P3 |4       17| /RCLKEN
  P4 |5   74  16| RCLK
  P5 |6  593  15| CLKEN
  P6 |7       14| /CLKEN
  P7 |8       13| CCLK
/CLD |9       12| /CRST
 GND |10      11| /RCO
     +----------+

74594

8-bit serial-in parallel-out shift register with output registers and two asynchronous resets. Independent clocks and resets for shift and storage registers.

    +---+--+---+
 Y1 |1  +--+ 16| VCC
 Y2 |2       15| Y0
 Y3 |3       14| A
 Y4 |4   74  13| /RRST
 Y5 |5  594  12| RCLK
 Y6 |6       11| SCLK
 Y7 |7       10| /SRST
GND |8        9| Q7
    +----------+

74595

8-bit 3-state serial-in parallel-out shift register with output registers and asynchronous reset. Independent clocks for shift and storage registers.

    +---+--+---+
 Y1 |1  +--+ 16| VCC
 Y2 |2       15| Y0
 Y3 |3       14| A
 Y4 |4   74  13| /OE
 Y5 |5  595  12| RCLK
 Y6 |6       11| SCLK
 Y7 |7       10| /RST
GND |8        9| Q7
    +----------+

74596

8-bit open-collector serial-in parallel-out shift register with output registers and asynchronous reset. Independent clocks for shift and storage registers.

    +---+--+---+
 Y1 |1  +--+ 16| VCC
 Y2 |2       15| Y0
 Y3 |3       14| D
 Y4 |4   74  13| /OE
 Y5 |5  596  12| RCLK
 Y6 |6       11| SCLK
 Y7 |7       10| /RST
GND |8        9| Q7
    +----------+

74597

8-bit parallel-in serial-out shift register with input registers and asynchronous reset. Independent clocks for shift and storage registers.

    +---+--+---+
 P1 |1  +--+ 16| VCC
 P2 |2       15| P0
 P3 |3       14| D
 P4 |4   74  13| SH//LD
 P5 |5  597  12| RCLK
 P6 |6       11| SCLK
 P7 |7       10| /RST
GND |8        9| Q7
    +----------+

74598

8-bit 3-state shift register with input registers, asynchronous reset and selectable serial input. Independent clocks for shift and storage registers.

       +---+--+---+
    P0 |1  +--+ 20| VCC
    P1 |2       19| S
    P2 |3       18| D
    P3 |4       17| E
    P4 |5   74  16| /OE
    P5 |6  598  15| RCLK
    P6 |7       14| /SCE
    P7 |8       13| SCLK
SH//LD |9       12| /RST
   GND |10      11| Q7
       +----------+

74620

8-bit 3-state inverting bus transceiver.
Two enable pins control output enables, one active high and one active low.

    +---+--+---+
GAB |1  +--+ 20| VCC
 A1 |2       19| /GBA
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  620  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74621

8-bit open-collector noninverting bus transceiver.
Two enable pins control output enables, one active high and one active low.

    +---+--+---+
GAB |1  +--+ 20| VCC
 A1 |2       19| /GBA
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  621  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74623

8-bit 3-state noninverting bus transceiver.
Two enable pins control output enables, one active high and one active low.

    +---+--+---+
GAB |1  +--+ 20| VCC
 A1 |2       19| /GBA
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  623  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74638

8-bit 3-state/open-collector inverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+
DIR |1  +--+ 20| VCC
 A1 |2       19| /OE
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  638  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74639

8-bit 3-state/open-collector noninverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+
DIR |1  +--+ 20| VCC
 A1 |2       19| /OE
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  639  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74640

8-bit 3-state inverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+             +---+---*---+---+
DIR |1  +--+ 20| VCC         |/EN|DIR| A | B |
 A1 |2       19| /EN         +===+===*===+===+
 A2 |3       18| B1          | 1 | X | Z | Z |
 A3 |4       17| B2          | 0 | 0 |/B | Z |
 A4 |5  74   16| B3          | 0 | 1 | Z |/A |
 A5 |6  640  15| B4          +---+---*---+---+
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74641

8-bit 3-state noninverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+
DIR |1  +--+ 20| VCC
 A1 |2       19| /OE
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  641  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74642

8-bit open-collector inverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+
DIR |1  +--+ 20| VCC
 A1 |2       19| /OE
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  642  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74643

8-bit 3-state inverting/noninverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+             +---+---*---+---+
DIR |1  +--+ 20| VCC         |/EN|DIR| A | B |
 A1 |2       19| /EN         +===+===*===+===+
 A2 |3       18| B1          | 1 | X | Z | Z |
 A3 |4       17| B2          | 0 | 0 | B | Z |
 A4 |5  74   16| B3          | 0 | 1 | Z |/A |
 A5 |6  643  15| B4          +---+---*---+---+
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74645

8-bit 3-state noninverting bus transceiver.
Enable and direction pins control output enables.

    +---+--+---+
DIR |1  +--+ 20| VCC
 A1 |2       19| /OE
 A2 |3       18| B1
 A3 |4       17| B2
 A4 |5  74   16| B3
 A5 |6  645  15| B4
 A6 |7       14| B5
 A7 |8       13| B6
 A8 |9       12| B7
GND |10      11| B8
    +----------+

74646

8-bit 3-state noninverting registered transceiver.

    +---+--+---+
CAB |1  +--+ 24| VCC
SAB |2       23| CBA
DIR |3       22| SBA
 A1 |4       21| /OE
 A2 |5       20| B1
 A3 |6   74  19| B2
 A4 |7  646  18| B3
 A5 |8       17| B4
 A6 |9       16| B5
 A7 |10      15| B6
 A8 |11      14| B7
GND |12      13| B8
    +----------+

74648

8-bit 3-state inverting registered transceiver.

    +---+--+---+
CAB |1  +--+ 24| VCC
SAB |2       23| CBA
DIR |3       22| SBA
 A1 |4       21| /OE
 A2 |5       20| B1
 A3 |6   74  19| B2
 A4 |7  648  18| B3
 A5 |8       17| B4
 A6 |9       16| B5
 A7 |10      15| B6
 A8 |11      14| B7
GND |12      13| B8
    +----------+

74651

8-bit 3-state inverting registered transceiver.

    +---+--+---+
CAB |1  +--+ 24| VCC
SAB |2       23| CBA
GAB |3       22| SBA
 A1 |4       21| /GBA
 A2 |5       20| B1
 A3 |6   74  19| B2
 A4 |7  651  18| B3
 A5 |8       17| B4
 A6 |9       16| B5
 A7 |10      15| B6
 A8 |11      14| B7
GND |12      13| B8
    +----------+

74652

8-bit 3-state noninverting registered transceiver.

    +---+--+---+
CAB |1  +--+ 24| VCC
SAB |2       23| CBA
GAB |3       22| SBA
 A1 |4       21| /GBA
 A2 |5       20| B1
 A3 |6   74  19| B2
 A4 |7  652  18| B3
 A5 |8       17| B4
 A6 |9       16| B5
 A7 |10      15| B6
 A8 |11      14| B7
GND |12      13| B8
    +----------+

74653

8-bit 3-state/open-collector inverting registered transceiver.

    +---+--+---+
CAB |1  +--+ 24| VCC
SAB |2       23| CBA
GAB |3       22| SBA
 A1 |4       21| /GBA
 A2 |5       20| B1
 A3 |6   74  19| B2
 A4 |7  653  18| B3
 A5 |8       17| B4
 A6 |9       16| B5
 A7 |10      15| B6
 A8 |11      14| B7
GND |12      13| B8
    +----------+

74654

8-bit 3-state/open-collector noninverting registered transceiver.

    +---+--+---+
CAB |1  +--+ 24| VCC
SAB |2       23| CBA
GAB |3       22| SBA
 A1 |4       21| /GBA
 A2 |5       20| B1
 A3 |6   74  19| B2
 A4 |7  654  18| B3
 A5 |8       17| B4
 A6 |9       16| B5
 A7 |10      15| B6
 A8 |11      14| B7
GND |12      13| B8
    +----------+

74657

8-bit 3-state noninverting bus transceiver with parity generator/checker.
Enable and direction pins control output enables.

       +---+--+---+
   DIR |1  +--+ 24| /OE
    A1 |2       23| B1
    A2 |3       22| B2
    A3 |4       21| B3
    A4 |5       20| B4
    A5 |6   74  19| GND
   VCC |7  657  18| GND
    A6 |8       17| B5
    A7 |9       16| B6
    A8 |10      15| B7
  O//E |11      14| B8
/ERROR |12      13| PAR
       +----------+

74666

8-bit 3-state transparent latch with readback, set and reset.

      +---+--+---+
/OERB |1  +--+ 24| VCC
 /OE1 |2       23| /OE2
   D1 |3       22| Q1
   D2 |4       21| Q2
   D3 |5       20| Q3
   D4 |6   74  19| Q4
   D5 |7  666  18| Q5
   D6 |8       17| Q6
   D7 |9       16| Q7
   D8 |10      15| Q8
 /RST |11      14| /SET
  GND |12      13| LE
      +----------+

74669

4-bit synchronous binary up/down counter with load and ripple carry output.

     +---+--+---+
U//D |1  +--+ 16| VCC
 CLK |2       15| /RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  169  12| Q2
  P3 |6       11| Q3
/ENP |7       10| /ENT
 GND |8        9| /LOAD
     +----------+

74670

4×4-bit 3-state dual-port register file.

    +---+--+---+
 D2 |1  +--+ 16| VCC
 D3 |2       15| D1
 D4 |3       14| WA0
RA1 |4   74  13| WA1
RA0 |5  670  12| /WR
 Q4 |6       11| /RD
 Q3 |7       10| Q1
GND |8        9| Q2
    +----------+

74673

16-bit 3-state universal shift register with storage register, reset and 16-bit rotate function.

         +---+--+---+
     /CE |1  +--+ 24| VCC
    /CLK |2       23| P15
 R//W S0 |3       22| P14
/RRST S1 |4       21| P13
 L//S S2 |5       20| P12
  D0/Q15 |6   74  19| P11
      P0 |7  673  18| P10
      P1 |8       17| P9
      P2 |9       16| P8
      P3 |10      15| P7
      P4 |11      14| P6
     GND |12      13| P5
         +----------+

74674

16-bit 3-state universal shift register with 16-bit rotate function.

        +---+--+---+         +---+---+---*----------------------------+
    /CE |1  +--+ 24| VCC     |/CE| S1| S0| Function                   |
   /CLK |2       23| P15     +===+===+===*============================+
R//W S0 |3       22| P14     | 1 | X | X | hold, P0..15=Z             |
        |4       21| P13     | 0 | X | 0 | serial-in parallel out     |
L//S S1 |5       20| P12     | 0 | 0 | 1 | serial&parallel out rotate |
 D0/Q15 |6   74  19| P11     | 0 | 1 | 1 | parallel load              |
     P0 |7  674  18| P10     +---+---+---*----------------------------+
     P1 |8       17| P9
     P2 |9       16| P8
     P3 |10      15| P7
     P4 |11      14| P6
    GND |12      13| P5
        +----------+

74677

16-bit inverting address comparator with enable.

    +---+--+---+
 A1 |1  +--+ 24| VCC
 A2 |2       23| /EN
 A3 |3       22| Y
 A4 |4       21| P3
 A5 |5       20| P2
 A6 |6   74  19| P1
 A7 |7  677  18| P0
 A8 |8       17| A16
 A9 |9       16| A15
A10 |10      15| A14
A11 |11      14| A13
GND |12      13| A12
    +----------+

74682

8-bit inverting magnitude comparator with integrated 100k pull-up resistors.

     +---+--+---+
/A>B |1  +--+ 20| VCC
  A0 |2       19| A=B
  B0 |3       18| B7
  A1 |4       17| A7
  B1 |5   74  16| B6
  A2 |6  682  15| A6
  B2 |7       14| B5
  A3 |8       13| A5
  B3 |9       12| B4
 GND |10      11| A4
     +----------+

74684

8-bit inverting magnitude comparator.

     +---+--+---+
/A>B |1  +--+ 20| VCC
  A0 |2       19| A=B
  B0 |3       18| B7
  A1 |4       17| A7
  B1 |5   74  16| B6
  A2 |6  684  15| A6
  B2 |7       14| B5
  A3 |8       13| A5
  B3 |9       12| B4
 GND |10      11| A4
     +----------+

74686

8-bit inverting magnitude comparator with enable.

     +---+--+---+
/A>B |1  +--+ 24| VCC
/EN1 |2       23| /EN2
  A0 |3       22| /A=B
  B0 |4       21| B7
  A1 |5       20| A7
  B1 |6   74  19|
     |7  686  18| B6
  A2 |8       17| A6
  B2 |9       16| B5
  A3 |10      15| A5
  B3 |11      14| B4
 GND |12      13| A4
     +----------+

74687

8-bit open-collector inverting magnitude comparator with enable.

     +---+--+---+
/A>B |1  +--+ 24| VCC
/EN1 |2       23| /EN2
  A0 |3       22| /A=B
  B0 |4       21| B7
  A1 |5       20| A7
  B1 |6   74  19|
     |7  687  18| B6
  A2 |8       17| A6
  B2 |9       16| B5
  A3 |10      15| A5
  B3 |11      14| B4
 GND |12      13| A4
     +----------+

74688

8-bit inverting identity comparator with enable.

    +---+--+---+
/EN |1  +--+ 20| VCC
 A0 |2       19| /A=B
 B0 |3       18| B7
 A1 |4       17| A7
 B1 |5   74  16| B6
 A2 |6  688  15| A6
 B2 |7       14| B5
 A3 |8       13| A5
 B3 |9       12| B4
GND |10      11| A4
    +----------+

74689

8-bit open-collector inverting identity comparator with enable.

    +---+--+---+
/EN |1  +--+ 20| VCC
 A0 |2       19| /A=B
 B0 |3       18| B7
 A1 |4       17| A7
 B1 |5   74  16| B6
 A2 |6  689  15| A6
 B2 |7       14| B5
 A3 |8       13| A5
 B3 |9       12| B4
GND |10      11| A4
    +----------+

74691

4-bit 3-state synchronous binary counter with output registers, asynchronous reset and ripple carry output. Multiplexed register/counter outputs.

      +---+--+---+
/CRST |1  +--+ 20| VCC
 CCLK |2       19| RCO
   P0 |3       18| Q0
   P1 |4       17| Q1
   P2 |5   74  16| Q2
   P3 |6  691  15| Q3
  ENP |7       14| ENT
/RRST |8       13| /LOAD
 RCLK |9       12| /OE
  GND |10      11| R//C
      +----------+

74697

4-bit 3-state synchronous binary up/down counter with output registers, asynchronous reset and ripple carry output. Multiplexed register/counter outputs.

      +---+--+---+
 U//D |1  +--+ 20| VCC
 CCLK |2       19| RCO
   P0 |3       18| Q0
   P1 |4       17| Q1
   P2 |5   74  16| Q2
   P3 |6  697  15| Q3
  ENP |7       14| ENT
/CRST |8       13| /LOAD
 RCLK |9       12| /OE
  GND |10      11| R//C
      +----------+

74699

4-bit 3-state synchronous binary up/down counter with output registers, reset and ripple carry output. Multiplexed register/counter outputs.

      +---+--+---+
 U//D |1  +--+ 20| VCC
 CCLK |2       19| RCO
   P0 |3       18| Q0
   P1 |4       17| Q1
   P2 |5   74  16| Q2
   P3 |6  699  15| Q3
  ENP |7       14| ENT
/CRST |8       13| /LOAD
 RCLK |9       12| /OE
  GND |10      11| R//C
      +----------+

74756

Dual 4-bit open-collector inverting buffer/line driver.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
/2Y4 |3       18| /1Y1
 1A2 |4       17| 2A4
/2Y3 |5  74   16| /1Y2
 1A3 |6  756  15| 2A3
/2Y2 |7       14| /1Y3
 1A4 |8       13| 2A2
/2Y1 |9       12| /1Y4
 GND |10      11| 2A1
     +----------+

74757

Dual 4-bit open-collector noninverting buffer/line driver.
One active low, one active high output enable.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A4 |2       19| 2OE
 2Y1 |3       18| 1Y1
 1A3 |4       17| 2A4
 2Y2 |5  74   16| 1Y2
 1A2 |6  757  15| 2A3
 2Y3 |7       14| 1Y3
 1A1 |8       13| 2A2
 2Y4 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+

74758

4-bit open-collector inverting bus transceiver.
Two enable pins control output enables, one active high and one active low.

     +---+--+---+
/GAB |1  +--+ 14| VCC
     |2       13| GBA
  A1 |3  74   12|
  A2 |4  758  11| B1
  A3 |5       10| B2
  A4 |6        9| B3
 GND |7        8| B4
     +----------+

74760

Dual 4-bit open-collector noninverting buffer/line driver.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
 2Y4 |3       18| 1Y1
 1A2 |4       17| 2A4
 2Y3 |5  74   16| 1Y2
 1A3 |6  760  15| 2A3
 2Y2 |7       14| 1Y3
 1A4 |8       13| 2A2
 2Y1 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+

74804

Hex 2-input NAND gates/line drivers.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 20| VCC         | A | B |/Y |      /Y = AB
 1B |2       19| 6B          +===+===*===+
/1Y |3       18| 6A          | 0 | 0 | 1 |
 2A |4       17| /6Y         | 0 | 1 | 1 |
 2B |5   74  16| 5B          | 1 | 0 | 1 |
/2Y |6  804  15| 5A          | 1 | 1 | 0 |
 3A |7       14| /5Y         +---+---*---+
 3B |8       13| 4B
/3Y |9       12| 4A
GND |10      11| /4Y
    +----------+

74805

Hex 2-input NOR gates/line drivers.

    +---+--+---+             +---+---*---+           ___
 1A |1  +--+ 20| VCC         | A | B |/Y |      /Y = A+B
 1B |2       19| 6B          +===+===*===+
/1Y |3       18| 6A          | 0 | 0 | 1 |
 2A |4       17| /6Y         | 0 | 1 | 0 |
 2B |5   74  16| 5B          | 1 | 0 | 0 |
/2Y |6  805  15| 5A          | 1 | 1 | 0 |
 3A |7       14| /5Y         +---+---*---+
 3B |8       13| 4B
/3Y |9       12| 4A
GND |10      11| /4Y
    +----------+

74808

Hex 2-input AND gates/line drivers.

    +---+--+---+             +---+---*---+
 1A |1  +--+ 20| VCC         | A | B | Y |       Y = AB
 1B |2       19| 6B          +===+===*===+
 1Y |3       18| 6A          | 0 | 0 | 0 |
 2A |4       17| 6Y          | 0 | 1 | 0 |
 2B |5   74  16| 5B          | 1 | 0 | 0 |
 2Y |6  808  15| 5A          | 1 | 1 | 1 |
 3A |7       14| 5Y          +---+---*---+
 3B |8       13| 4B
 3Y |9       12| 4A
GND |10      11| 4Y
    +----------+

74821

10-bit 3-state D flip-flop/bus driver.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 24| VCC         |/OE|CLK| D | Q |
 D1 |2       23| Q1          +===+===+===*===+
 D2 |3       22| Q2          | 1 | X | X | Z |
 D3 |4       21| Q3          | 0 | / | 0 | 0 |
 D4 |5       20| Q4          | 0 | / | 1 | 1 |
 D5 |6   74  19| Q5          | 0 |!/ | X | - |
 D6 |7  821  18| Q6          +---+---+---*---+
 D7 |8       17| Q7
 D8 |9       16| Q8
 D9 |10      15| Q9
D10 |11      14| Q10
GND |12      13| CLK
    +----------+

74822

10-bit 3-state inverting D flip-flop/bus driver.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 24| VCC         |/OE|CLK| D |/Q |
 D1 |2       23| /Q1         +===+===+===*===+
 D2 |3       22| /Q2         | 1 | X | X | Z |
 D3 |4       21| /Q3         | 0 | / | 0 | 1 |
 D4 |5       20| /Q4         | 0 | / | 1 | 0 |
 D5 |6   74  19| /Q5         | 0 |!/ | X | - |
 D6 |7  822  18| /Q6         +---+---+---*---+
 D7 |8       17| /Q7
 D8 |9       16| /Q8
 D9 |10      15| /Q9
D10 |11      14| /Q10
GND |12      13| CLK
    +----------+

74823

9-bit 3-state D flip-flop/bus driver with clock enable and reset.

     +---+--+---+
 /OE |1  +--+ 24| VCC
  D1 |2       23| Q1
  D2 |3       22| Q2
  D3 |4       21| Q3
  D4 |5       20| Q4
  D5 |6   74  19| Q5
  D6 |7  823  18| Q6
  D7 |8       17| Q7
  D8 |9       16| Q8
  D9 |10      15| Q9
/RST |11      14| /CLKEN
 GND |12      13| CLK
     +----------+

74825

8-bit 3-state D flip-flop/bus driver with three output enables, clock enable and reset.

     +---+--+---+
/OE1 |1  +--+ 24| VCC
/OE2 |2       23| /OE3
  D1 |3       22| Q1
  D2 |4       21| Q2
  D3 |5       20| Q3
  D4 |6   74  19| Q4
  D5 |7  825  18| Q5
  D6 |8       17| Q6
  D7 |9       16| Q7
  D8 |10      15| Q8
/RST |11      14| /CLKEN
 GND |12      13| CLK
     +----------+

74827

10-bit 3-state noninverting buffer/line driver.

     +---+--+---+
/OE1 |1  +--+ 24| VCC
  A1 |2       23| Y1
  A2 |3       22| Y2
  A3 |4       21| Y3
  A4 |5       20| Y4
  A5 |6  742  19| Y5
  A6 |7  827  18| Y6
  A7 |8       17| Y7
  A8 |9       16| Y8
  A9 |10      15| Y9
 A10 |11      14| Y10
 GND |12      13| /OE2
     +----------+

74832

Hex 2-input OR gates/line drivers.

    +---+--+---+             +---+---*---+
 1A |1  +--+ 20| VCC         | A | B | Y |       Y = A+B
 1B |2       19| 6B          +===+===*===+
 1Y |3       18| 6A          | 0 | 0 | 0 |
 2A |4       17| 6Y          | 0 | 1 | 1 |
 2B |5   74  16| 5B          | 1 | 0 | 1 |
 2Y |6  832  15| 5A          | 1 | 1 | 1 |
 3A |7       14| 5Y          +---+---*---+
 3B |8       13| 4B
 3Y |9       12| 4A
GND |10      11| 4Y
    +----------+

74833

8-bit 3-state noninverting bus transceiver with parity generator/checker and parity register.

       +---+--+---+
  /OEA |1  +--+ 24| VCC
    A1 |2       23| B1
    A2 |3       22| B2
    A3 |4       21| B3
    A4 |5       20| B4
    A5 |6   74  19| B5
    A6 |7  833  18| B6
    A7 |8       17| B7
    A8 |9       16| B8
/ERROR |10      15| PAR
  /CLR |11      14| /OEB
   GND |12      13| CLK
       +----------+

74841

10-bit 3-state transparent latch/bus driver.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 24| VCC         |/OE| LE| D | Q |
 D1 |2       23| Q1          +===+===+===*===+
 D2 |3       22| Q2          | 1 | X | X | Z |
 D3 |4       21| Q3          | 0 | 0 | X | - |
 D4 |5       20| Q4          | 0 | 1 | 0 | 0 |
 D5 |6   74  19| Q5          | 0 | 1 | 1 | 1 |
 D6 |7  841  18| Q6          +---+---+---*---+
 D7 |8       17| Q7
 D8 |9       16| Q8
 D9 |10      15| Q9
D10 |11      14| Q10
GND |12      13| LE
    +----------+

74843

9-bit 3-state transparent latch/bus driver with set and reset.

     +---+--+---+            +----+----+---+---+---*---+
 /OE |1  +--+ 24| VCC        |/RST|/SET|/OE| LE| D | Q |
  D1 |2       23| Q1         +====+====+===+===+===*===+
  D2 |3       22| Q2         |  0 |  1 | 0 | X | X | 0 |
  D3 |4       21| Q3         |  1 |  0 | 0 | X | X | 0 |
  D4 |5       20| Q4         |  X |  X | 1 | X | X | Z |
  D5 |6   74  19| Q5         |  1 |  1 | 0 | 0 | X | - |
  D6 |7  843  18| Q6         |  1 |  1 | 0 | 1 | 0 | 0 |
  D7 |8       17| Q7         |  1 |  1 | 0 | 1 | 1 | 1 |
  D8 |9       16| Q8         +----+----+---+---+---*---+
  D9 |10      15| Q9
/RST |11      14| /SET
 GND |12      13| LE
     +----------+

74845

8-bit 3-state transparent latch/bus driver with three output enables, set and reset.

     +---+--+---+
/OE1 |1  +--+ 24| VCC
/OE2 |2       23| /OE3
  D1 |3       22| Q1
  D2 |4       21| Q2
  D3 |5       20| Q3
  D4 |6   74  19| Q4
  D5 |7  845  18| Q5
  D6 |8       17| Q6
  D7 |9       16| Q7
  D8 |10      15| Q8
/RST |11      14| /SET
 GND |12      13| LE
     +----------+

74857

12-to-6 line inverting/noninverting data selector/multiplexer with masking and zero detect.

      +---+--+---+
   S0 |1  +--+ 24| VCC
  1A0 |2       23| S1
  1A1 |3       22| 6A0
   1Y |4       21| 6A1
  2A0 |5       20| 6Y
  2A1 |6   74  19| 5A0
   2Y |7  857  18| 5A1
  3A0 |8       17| 5Y
  3A1 |9       16| 4A0
   3Y |10      15| 4A1
   ZD |11      14| 4Y
  GND |12      13| COMP
      +----------+

74861

10-bit 3-state noninverting bus transceiver.

     +---+--+---+
/GBA |1  +--+ 24| VCC
  A1 |2       23| B1
  A2 |3       22| B2
  A3 |4       21| B3
  A4 |5       20| B4
  A5 |6   74  19| B5
  A6 |7  861  18| B6
  A7 |8       17| B7
  A8 |9       16| B8
  A9 |10      15| B9
 A10 |11      14| B10
 GND |12      13| /GAB
     +----------+

74863

9-bit 3-state noninverting bus transceiver.

      +---+--+---+
/GBA1 |1  +--+ 24| VCC
   A1 |2       23| B1
   A2 |3       22| B2
   A3 |4       21| B3
   A4 |5       20| B4
   A5 |6   74  19| B5
   A6 |7  863  18| B6
   A7 |8       17| B7
   A8 |9       16| B8
   A9 |10      15| B9
/GBA2 |11      14| /GAB2
  GND |12      13| /GAB1
      +----------+

74867

8-bit synchronous binary up/down counter with load, asynchronous reset and ripple carry output.

     +---+--+---+
  S0 |1  +--+ 24| VCC
  S1 |2       23| /ENP
  P0 |3       22| Q0
  P1 |4       21| Q1
  P2 |5       20| Q2
  P3 |6   74  19| Q3
  P4 |7  867  18| Q4
  P5 |8       17| Q5
  P6 |9       16| Q6
  P7 |10      15| Q7
/ENT |11      14| CLK
 GND |12      13| /RCO
     +----------+

74869

8-bit synchronous binary up/down counter with load, reset and ripple carry output.

     +---+--+---+
  S0 |1  +--+ 24| VCC
  S1 |2       23| /ENP
  P0 |3       22| Q0
  P1 |4       21| Q1
  P2 |5       20| Q2
  P3 |6   74  19| Q3
  P4 |7  869  18| Q4
  P5 |8       17| Q5
  P6 |9       16| Q6
  P7 |10      15| Q7
/ENT |11      14| CLK
 GND |12      13| /RCO
     +----------+

74873

Dual 4-bit 3-state transparent latch with reset.

      +---+--+---+
/1RST |1  +--+ 24| VCC
 /1OE |2       23| 1LE
  1D1 |3       22| 1Q1
  1D2 |4       21| 1Q2
  1D3 |5       20| 1Q3
  1D4 |6   74  19| 1Q4
  2D1 |7  873  18| 2Q1
  2D2 |8       17| 2Q2
  2D3 |9       16| 2Q3
  2D4 |10      15| 2Q4
 /2OE |11      14| 2LE
  GND |12      13| /2RST
      +----------+

74874

Dual 4-bit 3-state D flip-flops with reset.

      +---+--+---+           +----+---+---+---*---+
/1RST |1  +--+ 24| VCC       |/RST|/OE|CLK| D | Q |
 /1OE |2       23| 1CLK      +====+===+===+===*===+
  1D1 |3       22| 1Q1       |  0 | 1 | X | X | Z |
  1D2 |4       21| 1Q2       |  X | 0 | X | X | 0 |
  1D3 |5       20| 1Q3       |  1 | 0 | / | 0 | 0 |
  1D4 |6   74  19| 1Q4       |  1 | 0 | / | 1 | 1 |
  2D1 |7  874  18| 2Q1       |  1 | 0 |!/ | X | - |
  2D2 |8       17| 2Q2       +----+---+---+---*---+
  2D3 |9       16| 2Q3
  2D4 |10      15| 2Q4
 /2OE |11      14| 2CLK
  GND |12      13| /2RST
      +----------+

74878

Dual 4-bit 3-state D flip-flops with reset.

      +---+--+---+           +----+---+---+---*---+
/1RST |1  +--+ 24| VCC       |/RST|/OE|CLK| D | Q |
 /1OE |2       23| 1CLK      +====+===+===+===*===+
  1D1 |3       22| 1Q1       |  0 | 1 | X | X | Z |
  1D2 |4       21| 1Q2       |  X | 0 | X | X | 0 |
  1D3 |5       20| 1Q3       |  1 | 0 | / | 0 | 0 |
  1D4 |6   74  19| 1Q4       |  1 | 0 | / | 1 | 1 |
  2D1 |7  878  18| 2Q1       |  1 | 0 |!/ | X | - |
  2D2 |8       17| 2Q2       +----+---+---+---*---+
  2D3 |9       16| 2Q3
  2D4 |10      15| 2Q4
 /2OE |11      14| 2CLK
  GND |12      13| /2RST
      +----------+

74881

4-bit 16-function arithmetic logic unit (ALU)

    +---+--+---+
/B0 |1  +--+ 24| VCC
/A0 |2       23| /A1
 S3 |3       22| /B1
 S2 |4       21| /A2
 S1 |5       20| /B2
 S0 |6   74  19| /A3
CIN |7  881  18| /B3
  M |8       17| /G
/F0 |9       16| COUT
/F1 |10      15| /P
/F2 |11      14| A=B
GND |12      13| /F3
    +----------+

74885

8-bit noninverting magnitude comparator with cascade inputs and latchable A inputs.

     +---+--+---+
L+/A |1  +--+ 24| VCC
IA<B |2       23| ALE
IA>B |3       22| A7
  B7 |4       21| A6
  B6 |5       20| A5
  B5 |6   74  19| A4
  B4 |7  885  18| A3
  B3 |8       17| A2
  B2 |9       16| A1
  B1 |10      15| A0
  B0 |11      14| OA<B
 GND |12      13| OA>B
     +----------+

74899

8-bit 3-state noninverting latchable bus transceiver with parity generator/checker and independent latch-enable inputs.

      +---+--+---+
 O//E |1  +--+ 28| VCC
/ERRA |2       27| /OEAB
 LEAB |3       26| B1
   A1 |4       25| B2
   A2 |5       24| B3
   A3 |6       23| B4
   A4 |7   74  22| B5
   A5 |8  899  21| B6
   A6 |9       20| B7
   A7 |10      19| B8
   A8 |11      18| BPAR
 APAR |12      17| LEBA
/OEBA |13      16| /SEL
  GND |14      15| /ERRB
      +----------+

74956

8-bit 3-state noninverting latched transceiver.

     +---+--+---+
LEAB |1  +--+ 24| VCC
 SAB |2       23| LEBA
 DIR |3       22| SBA
  A1 |4       21| /OE
  A2 |5       20| B1
  A3 |6   74  19| B2
  A4 |7  956  18| B3
  A5 |8       17| B4
  A6 |9       16| B5
  A7 |10      15| B6
  A8 |11      14| B7
 GND |12      13| B8
     +----------+

74990

8-bit transparent latch with readback.

      +---+--+---+
/OERB |1  +--+ 20| VCC
   D1 |2       19| Q1
   D2 |3       18| Q2
   D3 |4       17| Q3
   D4 |5   74  16| Q4
   D5 |6  990  15| Q5
   D6 |7       14| Q6
   D7 |8       13| Q7
   D8 |9       12| Q8
  GND |10      11| LE
      +----------+

74992

9-bit 3-state transparent latch with readback and reset.

      +---+--+---+
/OERB |1  +--+ 24| VCC
   D1 |2       23| Q1
   D2 |3       22| Q2
   D3 |4       21| Q3
   D4 |5       20| Q4
   D5 |6   74  19| Q5
   D6 |7  992  18| Q6
   D7 |8       17| Q7
   D8 |9       16| Q8
   D9 |10      15| Q9
 /RST |11      14| /OE
  GND |12      13| LE
      +----------+

74994

10-bit transparent latch with readback.

      +---+--+---+
/OERB |1  +--+ 24| VCC
   D1 |2       23| Q1
   D2 |3       22| Q2
   D3 |4       21| Q3
   D4 |5       20| Q4
   D5 |6   74  19| Q5
   D6 |7  994  18| Q6
   D7 |8       17| Q7
   D8 |9       16| Q8
   D9 |10      15| Q9
  D10 |11      14| Q10
  GND |12      13| LE
      +----------+

741000

Quad 2-input NAND gates with buffered output.

    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3  7410 12| 4A          | 0 | 0 | 1 |
 2A |4   00  11| /4Y         | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+

741004

Hex inverters with buffered output.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3  7410 12| /6Y         | 0 | Z |
/2Y |4   04  11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

741005

Hex open-collector inverters with buffered output.

    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3  7410 12| /6Y         | 0 | Z |
/2Y |4   05  11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+

741032

Quad 2-input OR gates with buffered output.

    +---+--+---+             +---+---*---+
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A+B
 1B |2       13| 4B          +===+===*===+
 1Y |3  7410 12| 4A          | 0 | 0 | 0 |
 2A |4   32  11| 4Y          | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
 2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| 3Y          +---+---*---+
    +----------+

743351

10-tap noninverting delay lines (20, 50 or 100ns total delay).

    +---+--+---+
  A |1  +--+ 16| VCC
    |2       15|
    |3       14| Y1
 Y2 |4  743  13| Y3
 Y4 |5  351  12| Y5
 Y6 |6       11| Y7
 Y8 |7       10| Y9
GND |8        9| Y10
    +----------+

744374

8-bit 3-state dual-ranking D flip flop.
Designed to prevent metastable conditions in data synchronization applications in which setup and hold times may be violated.

    +---+--+---+
 Q1 |1  +--+ 20| D1
 Q2 |2       19| D2
 Q3 |3       18| D3
 Q4 |4       17| D4
GND |5  744  16| VCC
 Q5 |6  374  15| D5
 Q6 |7       14| D6
 Q7 |8       13| D7
 Q8 |9       12| D8
/OE |10      11| CLK
    +----------+

747001

Quad 2-input AND gates with schmitt-trigger inputs.
0.8V typical input hysteresis at VCC=+5V.

    +---+--+---+             +---+---*---+
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = AB
 1B |2       13| 4B          +===+===*===+
 1Y |3  747  12| 4A          | 0 | 0 | 0 |
 2A |4  001  11| 4Y          | 0 | 1 | 0 |
 2B |5       10| 3B          | 1 | 0 | 0 |
 2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| 3Y          +---+---*---+
    +----------+

747266

Quad 2-input XNOR gates.

    +---+--+---+             +---+---*---+          _     _ _
 1A |1  +--+ 14| VCC         | A | B |/Y |     Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
/1Y |3  747  12| 4A          | 0 | 0 | 1 |
 2A |4  266  11| /4Y         | 0 | 1 | 0 |
 2B |5       10| 3B          | 1 | 0 | 0 |
/2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| /3Y         +---+---*---+
    +----------+

748003

Dual 2-input NAND gates.

    +---+--+---+                 __
 1A |1  +--+  8| VCC        /Y = AB
 1B |2  748   7| 2B
/1Y |3  003   6| 2A
GND |4        5| /2Y
    +----------+

744002

Dual 4-input NOR gates.

    +---+--+---+             +---+---+---+---*---+       _________
/1Y |1  +--+ 14| VCC         | A | B | C | D |/Y |  /Y = (A+B+C+D)
 1A |2       13| /2Y         +===+===+===+===*===+
 1B |3       12| 2D          | 0 | 0 | 0 | 0 | 1 |
 1C |4  4002 11| 2C          | 0 | 0 | 0 | 1 | 0 |
 1D |5       10| 2B          | 0 | 0 | 1 | X | 0 |
    |6        9| 2A          | 0 | 1 | X | X | 0 |
GND |7        8|             | 1 | X | X | X | 0 |
    +----------+             +---+---+---+---*---+

744015

Dual 4-bit serial-in parallel-out shift register with asynchronous reset.

     +---+--+---+
2CLK |1  +--+ 16| VCC
 2Q3 |2       15| 2D
 1Q2 |3       14| 2RST
 1Q1 |4       13| 2Q0
 1Q0 |5  4015 12| 2Q1
1RST |6       11| 2Q2
  1D |7       10| 1Q3
 GND |8        9| 1CLK
     +----------+

744016

Quad analog switches.

     +---+--+---+
  1X |1  +--+ 14| VCC
  1Y |2       13| 1EN
  2Y |3       12| 4EN
  2X |4  4016 11| 4X
 2EN |5  4066 10| 4Y
 3EN |6        9| 3Y
 GND |7        8| 3X
     +----------+

744017

4-bit asynchronous decade counter with fully decoded outputs, reset and both active high and active low clocks.

    +---+--+---+
 Q5 |1  +--+ 16| VCC
 Q1 |2       15| RST
 Q0 |3       14| CLK1
 Q2 |4       13| /CLK2
 Q6 |5  4017 12| RCO
 Q7 |6       11| Q9
 Q3 |7       10| Q4
GND |8        9| Q8
    +----------+

744020

14-bit asynchronous binary counter with reset.
Q1 and Q2 outputs missing.

    +---+--+---+
Q11 |1  +--+ 16| VCC
Q12 |2       15| Q10
Q13 |3       14| Q9
 Q5 |4       13| Q7
 Q4 |5  4020 12| Q8
 Q6 |6       11| RST
 Q3 |7       10| /CLK
GND |8        9| Q0
    +----------+

744024

7-bit asynchronous binary counter with reset.

     +---+--+---+
/CLK |1  +--+ 14| VCC
 RST |2       13|
  Q6 |3       12| Q0
  Q5 |4  4024 11| Q1
  Q4 |5       10|
  Q3 |6        9| Q2
 GND |7        8|
     +----------+

744040

12-bit asynchronous binary counter with reset.

    +---+--+---+
Q11 |1  +--+ 16| VCC
 Q5 |2       15| Q10
 Q4 |3       14| Q9
 Q6 |4       13| Q7
 Q3 |5  4040 12| Q8
 Q2 |6       11| RST
 Q1 |7       10| /CLK
GND |8        9| Q0
    +----------+

744046

Phase Locked Loop.

       +---+--+---+
PCPout |1  +--+ 16| VCC
PC1out |2       15| Zener
 PCinB |3       14| PCinA
VCOout |4       13| PC2out
   /EN |5  4046 12| R2
   C1A |6       11| R1
   C1B |7       10| SFout
   GND |8        9| VCOin
       +----------+

744049

Hex inverters with high-to-low level shifter inputs.

    +---+--+---+             +---*---+               _
VCC |1  +--+ 16|             | A |/Y |          /Y = A
/Y1 |2       15| /Y6         +===*===+
 A1 |3       14| A6          | 0 | 1 |
/Y2 |4       13|             | 1 | 0 |
 A2 |5  4049 12| /Y5         +---*---+
/Y3 |6       11| A5
 A3 |7       10| /Y4
GND |8        9| A4
    +----------+

744050

Hex buffers with high-to-low level shifter inputs.

    +---+--+---+             +---*---+
VCC |1  +--+ 16|             | A | Y |           Y = A
 Y1 |2       15| Y6          +===*===+
 A1 |3       14| A6          | 0 | 0 |
 Y2 |4       13|             | 1 | 1 |
 A2 |5  4050 12| Y5          +---*---+
 Y3 |6       11| A5
 A3 |7       10| Y4
GND |8        9| A4
    +----------+

744051

8-to-1 line analog multiplexer/demultiplexer with dual power supply.
VEE supply may not be more positive than GND.

    +---+--+---+
 X4 |1  +--+ 16| VCC
 X6 |2       15| X2
  Y |3       14| X1
 X7 |4       13| X0
 X5 |5  4051 12| X3
/EN |6       11| S0
VEE |7       10| S1
GND |8        9| S2
    +----------+

744052

8-to-2 line analog multiplexer/demultiplexer with dual power supply.
VEE supply may not be more positive than GND.

    +---+--+---+
1X0 |1  +--+ 16| VCC
1X2 |2       15| 2X2
 1Y |3       14| 2X1
1X3 |4       13| 2Y
1X1 |5  4052 12| 2X0
/EN |6       11| 2X3
VEE |7       10| S0
GND |8        9| S1
    +----------+

744053

Triple 2-to-1 line analog multiplexer/demultiplexer with dual power supply.
VEE supply may not be more positive than GND.

    +---+--+---+
1X0 |1  +--+ 16| VCC
1X1 |2       15| 1Y
2X1 |3       14| 3Y
 2Y |4       13| 3X1
2X0 |5  4053 12| 3X0
/EN |6       11| 3S
VEE |7       10| 1S
GND |8        9| 2S
    +----------+

744060

14-bit asynchronous binary counter with oscillator and reset input.
Q0,Q1,Q2 and Q10 outputs are missing.

    +---+--+---+
Q11 |1  +--+ 16| VCC
Q12 |2       15| Q9
Q13 |3       14| Q7
 Q5 |4       13| Q8
 Q4 |5  4060 12| RST
 Q6 |6       11| X1
 Q3 |7       10| X0
GND |8        9| X2
    +----------+

744066

Quad analog switches.

     +---+--+---+
  1X |1  +--+ 14| VCC
  1Y |2       13| 1EN
  2Y |3       12| 4EN
  2X |4  4016 11| 4X
 2EN |5  4066 10| 4Y
 3EN |6        9| 3Y
 GND |7        8| 3X
     +----------+

744067

16-to-1 line analog multiplexer/demultiplexer.

    +-----+--+-----+
  Y |1    +--+   24| VCC
 X7 |2           23| X8
 X6 |3           22| X9
 X5 |4           21| X10
 X4 |5           20| X11
 X3 |6           19| X12
 X2 |7    4067   18| X13
 X1 |8           17| X14
 X0 |9           16| X15
 S0 |10          15| /EN
 S1 |11          14| S2
GND |12          13| S3
    +--------------+

744075

Triple 3-input OR gates.

    +---+--+---+             +---+---+---*---+
 1A |1  +--+ 14| VCC         | A | B | C | Y |   Y = A+B+C
 1B |2       13| 3A          +===+===+===*===+
 2A |3       12| 3B          | 0 | 0 | 0 | 0 |
 2B |4  4075 11| 3C          | 0 | 0 | 1 | 1 |
 2C |5       10| 3Y          | 0 | 1 | X | 1 |
 2Y |6        9| 1Y          | 1 | X | X | 1 |
GND |7        8| 1C          +---+---+---*---+
    +----------+

744078

8-input OR/NOR gate with complementary outputs.

    +---+--+---+
  Y |1  +--+ 14| VCC         Y=A+B+C+D+E+F+G+H
  A |2       13| /Y
  B |3       12| H
  C |4  4078 11| G
  D |5       10| F
    |6        9| E
GND |7        8|
    +----------+

744316

Quad analog switches with enable input and dual power supply.
VEE supply may not be more positive than GND.

    +---+--+---+
 1X |1  +--+ 16| VCC
 1Y |2       15| 1EN
 2Y |3       14| 4EN
 2X |4       13| 4X
2EN |5  4316 12| 4Y
3EN |6       11| 3Y
 EN |7       10| 3X
GND |8        9| VEE
    +----------+

744351

8-to-1 line analog multiplexer/demultiplexer with address latch and dual power supply.
VEE supply may not be more positive than GND.

    +---+--+---+
1X0 |1  +--+ 18| VCC
1X1 |2       17| X2
2X1 |3       16| X1
 2Y |4       15| X0
2X0 |5  4351 14| X3
/EN |6       13| S0
 EN |7       12| S1
VEE |8       11| S2
GND |9       10| LE
    +----------+

744352

8-to-2 line analog multiplexer/demultiplexer with address latch and dual power supply.
VEE supply may not be more positive than GND.

    +---+--+---+
1X0 |1  +--+ 18| VCC
1X2 |2       17| 2X2
 1Y |3       16| 2X1
1X3 |4       15| 2Y
1X1 |5  4352 14| 2X0
/EN |6       13| 2X3
 EN |7       12| S0
VEE |8       11| S1
GND |9       10| LE
    +----------+

744353

Triple 2-to-1 line analog multiplexer/demultiplexer with address latch and dual power supply.
VEE supply may not be more positive than GND.

    +---+--+---+
1X0 |1  +--+ 18| VCC
1X1 |2       17| 1Y
2X1 |3       16| 3Y
 2Y |4       15| 3X1
2X0 |5  4353 14| 3X0
/EN |6       13| 3S
 EN |7       12| 1S
VEE |8       11| 2S
GND |9       10| LE
    +----------+

744511

BCD to 7-segment decoder/common-cathode LED driver.

    +---+--+---+
 A1 |1  +--+ 16| VCC
 A2 |2       15| YF
/LT |3       14| YG
/BI |4       13| YA
/LE |5  4511 12| YB
 A3 |6       11| YC
 A0 |7       10| YD
GND |8        9| YE
    +----------+

744514

1-of-16 noninverting decoder/demultiplexer with address latches.

    +---+--+---+
 LE |1  +--+ 24| VCC
 S0 |2       23| /EN
 S1 |3       22| S3
 Y7 |4       21| S2
 Y6 |5       20| Y10
 Y5 |6       19| Y11
 Y4 |7  4514 18| Y8
 Y3 |8       17| Y9
 Y2 |9       16| Y15
 Y1 |10      15| Y14
 Y0 |11      14| Y13
GND |12      13| Y12
    +----------+

744515

1-of-16 inverting decoder/demultiplexer with address latches.

    +---+--+---+
 LE |1  +--+ 24| VCC
 S0 |2       23| /EN
 S1 |3       22| S3
/Y7 |4       21| S2
/Y6 |5       20| /Y10
/Y5 |6       19| /Y11
/Y4 |7  4515 18| /Y8
/Y3 |8       17| /Y9
/Y1 |9       16| /Y15
/Y2 |10      15| /Y14
/Y0 |11      14| /Y12
GND |12      13| /Y13
    +----------+

744518

Dual 4-bit asynchronous decade counters with reset and both active high and active low clocks.

      +---+--+---+
 1CLK |1  +--+ 16| VCC
/1CLK |2       15| 2RST
  1Q0 |3       14| 2Q3
  1Q1 |4       13| 2Q2
  1Q2 |5  4518 12| 2Q1
  1Q3 |6       11| 2Q0
 1RST |7       10| /2CLK
  GND |8        9| 2CLK
      +----------+

744520

Dual 4-bit asynchronous binary counters with reset and both active high and active low clocks.

      +---+--+---+
 1CLK |1  +--+ 16| VCC
/1CLK |2       15| 2RST
  1Q0 |3       14| 2Q3
  1Q1 |4       13| 2Q2
  1Q2 |5  4520 12| 2Q1
  1Q3 |6       11| 2Q0
 1RST |7       10| /2CLK
  GND |8        9| 2CLK
      +----------+

744538

Dual precision monostable multivibrator with Schmitt-trigger inputs.
Retriggerable, resettable. For 74HC4538 the Cext pins may be grounded.

       +---+--+---+
 1Cext |1  +--+ 16| VCC
1RCext |2       15| 2Cext
  1RST |3       14| 2RCext
   1TR |4       13| 2RST
  /1TR |5  4538 12| 2TR
    1Q |6       11| /2TR
   /1Q |7       10| 2Q
   GND |8        9| /2Q
       +----------+

744543

BCD to 7-segment decoder/LCD driver with input latch.
The P (phase) input should be connected to the backplane of the LCD.

    +---+--+---+
 LE |1  +--+ 16| VCC
 A2 |2       15| YF
 A1 |3       14| YG
 A3 |4       13| YE
 A0 |5  4543 12| YD
  P |6       11| YC
 BI |7       10| YB
GND |8        9| YA
    +----------+

7440102

8-bit (2-digit) synchronous decade down counter with synchronous and asynchronous load and reset. Counter outputs only internally connected but ripple carry and zero detect outputs available.

       +---+--+---+
   CLK |1  +--+ 16| VCC
  /RST |2       15| /SLD
/CLKEN |3       14| /RCO
    P0 |4       13| P7
    P1 |5 40102 12| P6
    P2 |6       11| P5
    P3 |7       10| P4
   GND |8        9| /ALD
       +----------+

7440103

8-bit synchronous binary down counter with synchronous and asynchronous load and reset. Counter outputs only internally connected but ripple carry and zero detect outputs available.

       +---+--+---+
   CLK |1  +--+ 16| VCC
  /RST |2       15| /SLD
/CLKEN |3       14| /RCO
    P0 |4       13| P7
    P1 |5 40103 12| P6
    P2 |6       11| P5
    P3 |7       10| P4
   GND |8        9| /ALD
       +----------+