Part number:
54HC190
Manufacturer:
National Semiconductor
File Size:
189.67 KB
Description:
Synchronous decade up/down counters.
MM54HC190 MM74HC190 MM54HC191 MM74HC191
January 1988
MM54HC190 MM74HC190 Synchronous
Decade Up Down Counters with Mode
Control MM54HC191 MM74HC191.