MM54HC190/MM74HC190/MM54HC191/MM74HC191
#W N a t i o n a l
January 1988
S em ic o nd u cto r
MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 S
Scan
Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.