74HC30 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

74HC30

8-input NAND gate

Philips Electronics 

Philips Semiconductors

8-input NAND gate

Product specification

74HC/HCT30

Fig.4 Functional diagram;

Y = ABCDEFGH.

FUNCTION TABLE

A

B

C

L

X

X

X

L

X

X

X

L

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

H

H

H

Notes

1. H = HIGH voltage level

L = LOW voltage level

X = don’t care

INPUTS

D

E

X

X

X

X

X

X

L

X

X

L

X

X

X

X

X

X

H

H

Fig.5 Logic diagram.

F

G

H

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

L

X

X

X

L

X

X

X

L

H

H

H

OUTPUT

Y

H

H

H

H

H

H

H

H

L

December 1990

4

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