TLF10209

June 1989

9321DM9321

Dual 1-of-4 Decoder

General Description

The 9321 consists of two independent multipurpose decod-

ers each designed to accept two inputs and provide four

mutually exclusive outputs In addition an active LOW en-

able input which gives demultiplexing capability is provided

for each decoder

Features

Y

Multifunction capability

Y

Mutually exclusive outputs

Y

Demultiplexing capability

Y

Active low enable for each decoder

Connection Diagram

Dual-In-Line Package

TLF10209 – 1

Order Number 9321DMQB 9321FMQB or DM9321N

See NS Package Number J16A N16E or W16A

Logic Symbol

TLF10209 – 2

Pin Names

Description

Ea Eb

Enable Inputs (Active LOW)

A0a A1a A0b A1b

Address Inputs

O0a–O3a

Decoder Outputs (Active LOW)

O0b–O3b

(

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A