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MC74AC139 Datasheet

Dual 1-of-4 Decoder/demultiplexer

Manufacturer: onsemi

This datasheet includes multiple variants, all published together in a single manufacturer document.

MC74AC139 Overview

The MC74AC139/74ACT139 is a high−speed dual 1−of−4 decoder/demultiplexer. The device has two independent decoders, each of which accepts two binary weighted inputs (A0−A1) and provides four mutually exclusive active−LOW outputs (O0−O3). Each decoder has an active−LOW enable (E).

MC74AC139 Key Features

  • Multifunctional Capability
  • Two pletely Independent 1-of-4 Decoders
  • Active LOW Mutually Exclusive Outputs
  • Outputs Source/Sink 24 mA
  • These are Pb-Free Devices
  • Rev. 8

MC74AC139 Distributor