Product status link M54HCxxx, M54HCTxxx M54HCxxx,.
54HC191 - 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
SNJ54HC191J - 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
54HC191 - Rad-hard high speed 2 to 6V CMOS logic
CD54HC191 - Synchronous Up/Down Counters
SNJ54HC191FK - 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
SN54HC191 - 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
54HC191 - 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
MM54HC191 - Synchronous Binary Up/Down Counters
SNJ54HC191W - 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
M54HC191 - Rad-hard high speed 2V to 6V CMOS logic
54HC191 - Synchronous Binary Up/Down Counters
MM54HC190 - (MM54HC190 / MM54HC191) Up/Down Counters
