MM54HCT193 series datasheets. Manufacturer: National Semiconductor.

MM54HCT193 Synchronous Binary Up/Down Counters Datasheet*) MM54HCT193J Synchronous Binary Up/Down Counters Datasheet*) MM74HCT193 Synchronous Binary Up/Down Counters Datasheet*) MM74HCT193J Synchronous Binary Up/Down Counters Datasheet*) MM74HCT193N Synchronous Binary Up/Down Counters Datasheet*)

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