HD74AC157 Datasheet, PDF (1/9 Pages) Hitachi Semiconductor – Quad 2-Input Multiplexer

HD74AC157
Quad 2-Input Multiplexer
Description
The HD74AC157 is a high-speed quad 2-input multiplexer. Four bits of data from two sources can be
selected using the common Select and Enable inputs. The four outputs present the selected data in the true
(noninverted) form. The HD74AC157 can also be used as a function generator.
Feature
• Outputs Source/Sink 24 mA
Pin Arrangement
S1
I0a 2
I1a 3
Za 4
I0b 5
I1b 6
Zb 7
GND 8
(Top view)
16 VCC
15 E
14 I0c
13 I1c
12 Zc
11 I0d
10 I1d
9 Zd