* 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: Orde
74LS257B
Fairchild Semiconductor
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3-state quad 2-data selectors/multiplexers.
DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers
June 1989 Revised November 1999
DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers
General.
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