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MM74HCT191

Part Number	MM74HCT191
Manufacturer	National Semiconductor
Description	(MM74HCT190 / MM74HCT191) Synchronous Binary Up/Down Counters
Published	Dec 19, 2013
Detailed Description	MM54HCT190 MM74HCT190 Synchronous Decade Up Down Counters with Mode Control MM54HCT191 MM74HCT191 Synchronous Binary Up ...
Datasheet	MM74HCT191 PDF File

Overview

...Down Counters with Mode Control January 1988 MM54HCT190 MM74HCT190 Synchronous Decade Up Down Counters with Mode Control MM54HCT191 MM74HCT191 Synchronous Binary Up Down Counters with Mode Control General Description These high speed synchronous counters utilize advanced silicon-gate CMOS technology They possess the high noise immunity and low power consumption of CMOS technology along with the speeds of low power Schottky TTL These circuits are synchronous reversible up down counters The MM54HCT191 MM74HCT191 are 4-bit binary counters and the MM54HCT190 MM74HCT190 are BCD counters Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change ...

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