SN54HCT74, SN74HCT74 SCLS169G – DECEMBER 1982 â€.
Texas Instruments
SNJ54HCT74J - DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
SN54HCT74, SN74HCT74 SCLS169G – DECEMBER 1982 – REVISED OCTOBER 2022 SNx4HCT74 Dual D-Type Positive-Edge-Triggered Flip-Flips With Clear and Preset 1.
