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SN74AS258 Datasheet Quad 2-Line To 1-Line Data Selectors/Multiplexers

Manufacturer: Texas Instruments

Download the SN74AS258 datasheet PDF. This datasheet also includes the SN74AS257 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SN74AS257-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

These data selectors/multiplexers are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems.

The 3-state outputs do not load the data lines when the output-enable (OE) input is at a high logic level.

SN54ALS257A, SN54ALS258A .

Overview

SN54ALS257A, SN54ALS258A, SN74ALS257A, SN74ALS258A, SN74AS257, SN74AS258 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS WITH 3ĆSTATE OUTPUTS SDAS124C − APRIL 1982 − REVISED AUGUST 1996 D 3-State Outputs.