9321 Datasheet, PDF (1/6 Pages) National Semiconductor (TI) – 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 _{Multifunction capability}
Y _{Mutually exclusive outputs}
Y _{Demultiplexing capability}
Y _{Active low enable for each decoder}
Connection Diagram
Logic Symbol
Dual-In-Line Package
TL F 10209 – 1
Order Number 9321DMQB 9321FMQB or DM9321N
See NS Package Number J16A N16E or W16A
V_CC e Pin 16
GND e Pin 8
Pin Names
Ea Eb
A0a A1a A0b A1b
( ^{O0a – O3a}
O0b– O3b
Description
Enable Inputs (Active LOW)
Address Inputs
Decoder Outputs (Active LOW)
TL F 10209 – 2
C1995 National Semiconductor Corporation TL F 10209
RRD-B30M105 Printed in U S A