74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers

Fairchild Semiconductor

Description

DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers June 1989 Revised November 1999 DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers General.
These Schottky-clamped high-performance multiplexers feature 3-STATE outputs that can interface directly with data lines of bus-organized systems.

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Datasheet Specifications

Part number: 74LS257B
Manufacturer: Fairchild Semiconductor
File Size: 55.44 KB
Datasheet: 74LS257B-FairchildSemiconductor.pdf
Description: 3-STATE Quad 2-Data Selectors/Multiplexers

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: Orde

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74LS257B 3-STATE Quad 2-Data Selectors Multiplexers Fairchild Semiconductor

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