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National Semiconductor - 4-Stage Synchronous Bidirectional Counter

Numéro de référence 54F169
Description 4-Stage Synchronous Bidirectional Counter
Fabricant National Semiconductor 
Logo National Semiconductor 





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54F169 fiche technique
November 1994
54F 74F169
4-Stage Synchronous Bidirectional Counter
General Description
The ’F169 is a fully synchronous 4-stage up down counter
The ’F169 is a modulo-16 binary counter Features a preset
capability for programmable operation carry lookahead for
easy cascading and a U D input to control the direction of
counting All state changes whether in counting or parallel
loading are initiated by the LOW-to-HIGH transition of the
clock
Features
Y Asynchronous counting and loading
Y Built-in lookahead carry capability
Y Presettable for programmable operation
Commercial
74F169PC
74F169SC (Note 1)
74F169SJ (Note 1)
Military
54F169DM (Note 2)
Package
Number
N16E
J16A
M16A
M16D
Package Description
16-Lead (0 300 Wide) Molded Dual-In-Line
16-Lead Ceramic Dual-In-Line
16-Lead (0 150 Wide) Molded Small Outline JEDEC
16-Lead (0 300 Wide) Molded Small Outline EIAJ
Note 1 Devices also available in 13 reel Use suffix e SCX and SJX
Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB
Logic Symbols
IEEE IEC
’F169
TL F 9488 – 3
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9488
TL F 9488 – 9
RRD-B30M75 Printed in U S A

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