74HC02 查看數據表（PDF） - Philips Electronics

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74HC02

Quad 2-input NOR gate

Philips Electronics 

Philips Semiconductors

Quad 2-input NOR gate

PIN DESCRIPTION

PIN NO.

1, 4, 10, 13

2, 5, 8, 11

3, 6, 9, 12

7

14

SYMBOL

1Y to 4Y

1A to 4A

1B to 4B

GND

VCC

NAME AND FUNCTION

data outputs

data inputs

data inputs

ground (0 V)

positive supply voltage

Product specification

74HC/HCT02

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

FUNCTION TABLE

INPUTS

OUTPUT

nA

nB

nY

L

L

H

L

H

L

H

L

L

H

H

L

Notes

1. H = HIGH voltage level

L = LOW voltage level

Fig.4 Functional diagram.

Fig.5 Logic diagram (one gate).

December 1990

3

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