54AC158

Quad 2-Input Multiplexer

General Description

The ’AC/’ACT158 is a high-speed quad 2-input multiplexer. It

selects four bits of data from two sources using the common

Select and Enable inputs. The four buffered outputs present

the selected data in the inverted form. The ’AC/’ACT158 can

also be used as a function generator.

Features

n Outputs source/sink 24 mA

n ’ACT158 has TTL-compatible inputs

n Standard Microcircuit Drawing (SMD)

— ’AC158: 5962-89729

— ’ACT158: 5962-88755

Logic Symbols

Connection Diagrams

Pin Names

Description

I

Source 0 Data Inputs

I

Source 1 Data Inputs

E

Enable Input

S

Select Input

Z

Inverted Outputs

DS100273-1

IEE/IEC

DS100273-2

Pin Assignment

for DIP and Flatpak

DS100273-3

Pin Assignment

for LCC

DS100273-4

July 1998

© 1998 National Semiconductor Corporation

DS100273

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