7402 Datasheet – Quad NOR Gate (TTL, DIP14)

This is one of the TTL types.

Part Number : 7402

Function : QUAD 2-INPUT NOR GATE

Package : DIP 14 Pin

Manufacturers : Fairchild,  ON Semiconductor

See the preview image and the PDF file for more information.

Image

7402 datasheet
Description :

These devices contain four independent 2-input NOR Gates.

1. Voltage – Supply 4.75V ~ 5.25V
2. Current – Output High, Low 400µA, 8mA
3. Logic Level – Low 0.8V
4. Logic Level – High 2V
5. Max Propagation Delay @ V, Max CL 15ns @ 5V, 15pF
6. Operating Temperature 0°C ~ 70°C

Function Table ( Truth Table )

A  B  Y

H  X  L

X  H  L

L   L  H

7402 pinout

7402 pinout

Other data sheets within the file : DM74LS02, SN74LS02D, SN74LS02DR2, 74LS02

7402 Datasheet

7402 pdf

7400 Datasheet – NAND Gate

This post explains for the TTL 7400.

The Part Number is 7400.

The function of this IC is Quad 2-Input NAND Gate.

Manufacturers : ON Semicondcutor

See the preview image and the PDF file for more information.

Images

7400 datasheet pdf

Description :

This device contains four independent gates each of which performs the logic NAND function. Quad 2-Input NAND Gate.

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7400 pinout

7400 pinout

Other data sheets within the file : SN74LS00N, SN74LS00D

7400 Datasheet

7400 pdf