74LS257 - 3-STATE Quad 2-Data Selectors/Multiplexers
74LS257 Features
* s 3-STATE versions LS157 and LS158 with same pinouts s Schottky-clamped for significant improvement in A-C performance s Provides bus interface from multiple sources in high-performance systems s Average propagation delay from data input 12 ns s Typical power dissipation: 50 mW Ordering Code: Order