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M54HC190 Datasheet, Features, Application

M54HC190 4 BIT SYNCHRONOUS UP/DOWN COUNTERS

M54/M74HC190 M54/M74HC191 4 BIT SYNCHRONOUS UP/DOW.

ST Microelectronics
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M54HC190 - 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
National Semiconductor
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MM54HC190 - (MM54HC190 / MM54HC191) Up/Down Counters
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