CD40192BM CD40192BC Synchronous 4-Bit Up Down Deca.
National Semiconductor
CD40192BC - Synchronous 4-Bit Up/Down Decade Counter
CD40192BM CD40192BC Synchronous 4-Bit Up Down Decade Counter CD40193BM CD40193BC Synchronous 4-Bit Up Down Binary Counter February 1988 CD40192BM CD.
