74HCT157D 查看數據表（PDF） - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
74HCT157D Datasheet PDF : 7 Pages
| |||
Philips Semiconductors
Quad 2-input multiplexer
Product specification
74HC/HCT157
FUNCTION TABLE
INPUTS
OUTPUT
E
S
nI0
nI1
nY
H
X
X
X
L
L
L
L
X
L
L
L
H
X
H
L
H
X
L
L
L
H
X
H
H
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
Fig.4 Functional diagram.
December 1990
Fig.5 Logic diagram.
4
Share Link: 