Binary Counter, TTL/H/L Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16, PLASTIC, DIP-16
Dual D Flip-Flop, 5V, 14-Pin DIP, Commercial Temperature, TTL/H/L Family
8-Channel Differential Line Receiver IC, 5V, DIP-8
