CD54HC173, CD74HC173, CD54HCT173, CD74HCT173 SCHS1.
Texas Instruments
CD74HC173M - Quad D-Type Flip-Flop
CD54HC173, CD74HC173, CD54HCT173, CD74HCT173 SCHS158F – NOVEMBER 1998 – REVISED MARCH 2022 CDx4HC173, CDx4HCT173 High-Speed CMOS Logic Quad D-Type Fli.