TL/F/9502
54F/74F243
Quad
Bus
Transceiver
with
TRI-STATE
Outputs
November 1994
54F/74F243
Quad Bus Transceiver with TRI-STATE Outputs
General Description
The ’F243 is a quad bus transmitter/receiver designed for
4-line asynchronous 2-way data communications between
data busses.
Features
Y
2-Way asynchronous data bus communication
Y
Input clamp diodes limit high-speed termination effects
Y
Guaranteed 4000V minimum ESD protection
Commercial Military
Package
Package Description
Number
54F243DM (Note 2) J14A 14-Lead Ceramic Dual-In-Line
74F243SC (Note 1) M14A 14-Lead (0.150 Wide) Molded Small Outline, JEDEC
54F243FM (Note 2) W14B 14-Lead Cerpack
54F243LM (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier, Type C
Note 1: Devices also available in 13 reel. Use Suffix e SCX.
Note 2: Military grade device with environmental and burn-in processing. Use suffix e DMQB, FMQB and LMQB.
Logic Symbol
IEEE/IEC
TL/F/9502–3
Connection Diagrams
Pin Assignment
for DIP, SOIC and Flatpak
TL/F/9502–1
Pin Assignment
for LCC
TL/F/9502–2
TRI-STATE is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation RRD-B30M105/Printed in U. S. A.