- Standard TTL 74xxx Series IC 74109, 74123, 74145, 74153, 74156, 74157 (DIP-16)
- The 7400 series is a popular logic family of transistor–transistor logic (TTL) integrated circuits (ICs)
- 74109 – Dual J-K Positive-Edge-Triggered Flip-Flops with Preset and Clear
- 74123 – Dual Retriggerable One-Shot with Clear and Complementary Outputs
- 74145 – BCD-to-Decimal Decoders / Drivers
- 74153 – Dual 4-Line to 1-Line Data Selectors / Multiplexers
- 74156 – Dual 2-Line to 4-Line Decoders / Demultiplexers
- 74157 – Quadruple 2-Line to 1-Line Data Selectors / Multiplexers