INTEGRATED CIRCUITS 74ALS74A Dual D-type flip-flo.
DM74ALS74A - Dual D Positive-Edge-Triggered Flip-Flop with Preset and Clear
SN74ALS74A - Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear And Preset (Rev. C)
74ALS74A - Dual D-type flip-flop