TLF9502

November 1994

54F74F243

Quad Bus Transceiver with TRI-STATE

Outputs

General Description

The ’F243 is a quad bus transmitterreceiver 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 (0150 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

Note 2

Logic Symbol

IEEEIEC

TLF9502 – 3

Connection Diagrams

Pin Assignment

for DIP SOIC and Flatpak

TLF9502 – 1

Pin Assignment

for LCC

TLF9502 – 2

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A