MM54HC190 MM74HC190 MM54HC191 MM74HC191
January 1988
MM54HC190 MM74HC190 Synchronous Decade Up Down Counters with Mode Control MM54HC191 MM74HC191 Synchronous Binary Up Down Counters with Mode Control
General Description
These high speed synchronous counters utilize advanced silicon-gate CMOS technology They possess the high noise immunity and low power co...