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DM74LS258B Datasheet TRI-STATE Quad 2-Data Selectors/Multiplexers

Manufacturer: National Semiconductor (now Texas Instruments)

Download the DM74LS258B datasheet PDF. This datasheet also includes the DM74LS257BNationalSemiconductor variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (DM74LS257BNationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

General Description

These Schottky-clamped high-performance multiplexers

Overview

Obsolete 54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers June 1989 54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors.

Key Features

  • Y TRI-STATE versions LS157 and LS158 with same pinouts Y Schottky-clamped for significant improvement in A-C performance Y Provides bus interface from multiple sources in highperformance systems Y Average propagation delay from data input 12 ns Y Typical power dissipation LS257B 50 mW LS258B 35 mW Y Alternate military aerospace devices (54LS257A 54LS258A) are available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagrams Dual-In-Line Package Dual-In-.

More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
DM74LS258 TRI-STATE Quad 2-Data Selectors/Multiplexers
DM74LS251 TRI-STATE Data Selectors/Multiplexers
DM74LS253 TRI-STATE Data Selectors/Multiplexers
DM74LS256 Dual 4-Bit Addressable Latch
DM74LS257 TRI-STATE Quad 2-Data Selectors/Multiplexers
DM74LS257B TRI-STATE Quad 2-Data Selectors/Multiplexers
DM74LS259 8-Bit Addressable Latches
DM74LS20 Dual 4-Input NAND Gates
DM74LS21 Dual 4-Input AND Gates
DM74LS22 Dual 4-Input NAND Gates