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54F243 Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer 54F243
Beschreibung Quad Bus Transceiver with TRI-STATE Outputs
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 6 Seiten
54F243 Datasheet, Funktion
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
74F243SC (Note 1)
Military
54F243DM (Note 2)
54F243FM (Note 2)
54F243LM (Note 2)
Package
Number
J14A
M14A
W14B
E20A
Package Description
14-Lead Ceramic Dual-In-Line
14-Lead (0 150 Wide) Molded Small Outline JEDEC
14-Lead Cerpack
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
Connection Diagrams
IEEE IEC
Pin Assignment
for DIP SOIC and Flatpak
Pin Assignment
for LCC
TL F 9502–3
TL F 9502 – 1
TL F 9502 – 2
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9502
RRD-B30M105 Printed in U S A






54F243 Datasheet, Funktion
Physical Dimensions inches (millimeters) (Continued)
14-Lead Ceramic Flatpak (F)
NS Package Number W14B
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NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION As used herein
1 Life support devices or systems are devices or
systems which (a) are intended for surgical implant
into the body or (b) support or sustain life and whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling can
be reasonably expected to result in a significant injury
to the user
2 A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system or to affect its safety or
effectiveness
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