74HC688 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

74HC688

8-bit magnitude comparator

Philips Electronics 

Philips Semiconductors

8-bit magnitude comparator

Product specification

74HC/HCT688

Fig.4 Functional diagram.

FUNCTION TABLE

INPUTS

DATA Pn, Qn

P=Q

X

P>Q

P<Q

ENABLE E

L

H

L

L

Notes

1. H = HIGH voltage level

L = LOW voltage level

X = don’t care

OUTPUT

P=Q

L

H

H

H

December 1990

4

Fig.5 Logic diagram.

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