9321 DM9321 Dual 1-of-4 Decoder
June 1989
9321 DM9321
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
Y
Y
Y
Multifunction capability
Mutually exclusive outputs
Demultiplexing capability
Active low enable for each decoder
Connection Diagram
Dual-In-Line Package
Logic Symbol
TL F 10209 – 2
TL F 10209 – 1
V
CC
e
Pin 16
GND
e
Pin 8
Order Number 9321DMQB 9321FMQB or DM9321N
See NS Package Number J16A N16E or W16A
Pin Names
Ea Eb
A0a A1a A0b A1b
O0a–O3a
O0b–O3b
Description
Enable Inputs (Active LOW)
Address Inputs
Decoder Outputs (Active LOW)
(
C
1995 National Semiconductor Corporation
TL F 10209
RRD-B30M105 Printed in U S A
NSC [ NATIONAL SEMICONDUCTOR ]
