74HC157 Datasheet, PDF (4/7 Pages) NXP Semiconductors – Quad 2-input multiplexer

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