Part 2: D flip-flop IC 7474 1. Refer the datasheet | Chegg.com
74ls74 Sn74ls74n Hd74ls74ap Dip-14 Dual D-type Positive Edge-triggered Flip- flop Ic New & Original - Buy 74ls74,Sn74ls74n,Hd74ls74ap Product on Alibaba.com
74LS74 D-Type Positive Edge Triggered Flip-Flop IC - Datasheet
D Flip-Flop Circuit Diagram: Working & Truth Table Explained