54HC190
4 BIT SYNCHRONOUS UP/DOWN COUNTERS (SGS-THOMSON)
54HC191
Rad-hard high speed 2 to 6V CMOS logic (STMicroelectronics)
54HC191
4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS (Texas Instruments)
54HC191
Synchronous Binary Up/Down Counters (National Semiconductor)
54HC191
4 BIT SYNCHRONOUS UP/DOWN COUNTERS (SGS-THOMSON)
54HC193
4-BIT SYNCHRONOUS UP/DOWN COUNTERS (Texas Instruments)
54HC193
Rad-hard high speed 2 to 6V CMOS logic (STMicroelectronics)
54HC10
Rad-hard high speed 2 to 6V CMOS logic (STMicroelectronics)
54HC10
Triple 3-Input NAND Gates (Texas Instruments)
54HC109
Rad-hard high speed 2 to 6V CMOS logic (STMicroelectronics)