74HC Family Counters & Shift Registers, NexperiaA range of 74HC Family CMOS Logic Counters and Shift Registers from NXP. The 74HC Family use silicon gate CMOS technology to achieve operating speeds similar to the LSTTL family but with the low power consumption of standard CMOS integrated circuits.High-Speed CMOS LogicOperating Voltage: 2 to 6 VCompatibility: Input CMOS, Output CMOS74HC Family