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HD74HC191 Dataheets PDF



Part Number HD74HC191
Manufacturers Renesas
Logo Renesas
Description Synchronous Up/Down 4-bit Binary Counter
Datasheet HD74HC191 DatasheetHD74HC191 Datasheet (PDF)

HD74HC190, HD74HC191 Synchronous Up/Down Decade Counter (Single Clock Line) Synchronous Up/Down 4-bit Binary Counter (Single Clock Line) REJ03D0587-0300 Rev.3.00 Jan 31, 2006 Description The HD74HC190 is a 4-bit decade counter and the HD74HC191 is a 4-bit binary counter. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the steering logic. This mode of operation eliminates the ou.

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