DM74ALS74A Dual D Positive-Edge-Triggered Flip-Flo.
DM74ALS74A - Dual D Positive-Edge-Triggered Flip-Flop with Preset and Clear
DM74ALS74A Dual D Positive-Edge-Triggered Flip-Flop with Preset and Clear September 1986 Revised February 2000 DM74ALS74A Dual D Positive-Edge-Trigg.