74HC160 MM54 74HC161 MM54 74HC162 MM54 74HC163 Ja.
National Semiconductor
MM54HC163 - Synchronous Binary Counter
74HC160 MM54 74HC161 MM54 74HC162 MM54 74HC163 January 1992 MM74HC160 Synchronous Decade Counter with Asynchronous Clear MM54HC161 MM74HC161 Synchro.
