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74LS257 Datasheet 3-state Quad 2-data Selectors/multiplexers

Manufacturer: Fairchild (now onsemi)

Overview: DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers June 1989 Revised November 1999 DM74LS257B 3-STATE Quad 2-Data.

General Description

These Schottky-clamped high-performance multiplexers

Key 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 Number DM74LS257BM DM74LS257BN Package Number M16A N16E Package.

74LS257 Distributor

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