7400 series TTL IC's: 7400...7449


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         +---+---*---+
    +----------+

Positive Logic

	    __
	Y = AB

Equivalent Chips

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
    +----------+

Positive Logic

	    _
	Y = A

Equivalent Chips

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          +---+---*---+
    +----------+

Positive Logic

	    
	Y = AB

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         +---+---+---*---+
    +----------+

Positive Logic

	    ___
	Y = ABC

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
    +----------+

Positive Logic

	    ________
	Y = ABCDEFGH

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          +---+---*---+
    +----------+

Positive Logic

	    
	Y = A+B

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
     +----------+


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