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74LS257 TRI-STATE Quad 2-Data Selectors/Multiplexers

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Description

54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers June 1989 54LS257A DM54LS257B DM74LS257B .
These Schottky-clamped high-performance multiplexers feature TRI-STATE outputs that can interface directly with data lines of bus-organized systems Wi.

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Datasheet Specifications

Part number
74LS257
Manufacturer
National Semiconductor
File Size
163.71 KB
Datasheet
74LS257_NationalSemiconductor.pdf
Description
TRI-STATE Quad 2-Data Selectors/Multiplexers

Features

* Y Y Y Y Y Y TRI-STATE versions LS157 and LS158 with same pinouts Schottky-clamped for significant improvement in A-C performance Provides bus interface from multiple sources in highperformance systems Average propagation delay from data input 12 ns Typical power dissipation LS257B 50 mW LS258B 3

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📌 All Tags

TRI-STATE Quad 2-Data Selectors Multiplexers National Semiconductor
National Semiconductor 74LS257-like datasheet