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MC74AC139 - Dual 1-of-4 Decoder/Demultiplexer

Download the MC74AC139 datasheet PDF. This datasheet also covers the MC74ACT139 variant, as both devices belong to the same dual 1-of-4 decoder/demultiplexer family and are provided as variant models within a single manufacturer datasheet.

Description

The MC74AC139/74ACT139 is a high speed dual 1 of

4 decoder/demultiplexer.

A1) and provides four mutually exclusive active LOW outputs (O0

O3).

Features

  • Multifunctional Capability.
  • Two Completely Independent 1.
  • of.
  • 4 Decoders.
  • Active LOW Mutually Exclusive Outputs.
  • Outputs Source/Sink 24 mA.
  • ′ACT139 Has TTL Compatible Inputs.
  • These are Pb.
  • Free Devices VCC Eb A0b A1b O0b O1b O2b O3b 16 15 14 13 12 11 10 9 12345678 Ea A0a A1a O0a O1a O2a O3a GND Figure 1. Pinout: 16.
  • Lead Packages Conductors (Top View) PIN.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MC74ACT139_ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number MC74AC139
Manufacturer onsemi
File Size 93.46 KB
Description Dual 1-of-4 Decoder/Demultiplexer
Datasheet download datasheet MC74AC139 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MC74AC139, MC74ACT139 Dual 1-of-4 Decoder/Demultiplexer The MC74AC139/74ACT139 is a high−speed, dual 1−of−4 decoder/demultiplexer. The device has two independent decoders, each accepting two inputs and providing four mutually−exclusive active−LOW outputs. Each decoder has an active−LOW Enable input which can be used as a data input for a 4−output demultiplexer. Each half of the MC74AC139/74ACT139 can be used as a function generator providing four minterms of two variables. Features • Multifunctional Capability • Two Completely Independent 1−of−4 Decoders • Active LOW Mutually Exclusive Outputs • Outputs Source/Sink 24 mA • ′ACT139 Has TTL Compatible Inputs • These are Pb−Free Devices VCC Eb A0b A1b O0b O1b O2b O3b 16 15 14 13 12 11 10 9 12345678 Ea A0a A1a O0a O1a O2a O3a GND Figure 1.
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