CMOS HCT LOGIC GATE, Is 74HC TTL or CMOS, 74HC family High speed CMOS circuitry - tatanh1983/conchodom GitHub Wiki 74HC Series 6 V 3-State Surface Mount Shift Register - SOIC-16 https://www.futureelectronics.com/p/semiconductors--logic--74-series--a-hc-t/74hc595d-118-nexperia-7372972