The TC74ACT257P/F/FN is a high‑speed CMOS 2‑channel (3‑state) multiplexer fabricated with silicon‑gate and double‑layer metal wiring C2MOS technology. It offers TTL/NMOS compatible inputs, low power dissipation, and symmetrical output impedance, making it suitable for level‑conversion and high‑speed signal routing.
The datasheet provides absolute maximum ratings, recommended operating conditions, DC and AC electrical characteristics, propagation delay times, and package dimensions for DIP‑16, SOP‑16, and SOL‑16 variants. Package weights range from 0.13 g to 1.00 g, and the device can drive up to 50 mA per output.
| Supply Voltage Range | 0.5 V – 7.0 V |
|---|---|
| Output Current per output (max) | 50 mA |
| Power Dissipation (DIP) | 500 mW |
| Typical Propagation Delay (typ.) | 5.0 ns at VCC=5 V |
The typical propagation delay is about 5.0 ns when powered at 5 V.
Each output can source or sink up to 50 mA.