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MC74ACT139

Part Number	MC74ACT139
Manufacturer	ON Semiconductor
Description	Dual 1-of-4 Decoder/Demultiplexer
Published	Feb 14, 2006
Detailed Description	MC74AC139, MC74ACT139 Dual 1-of-4 Decoder/Demultiplexer The MC74AC139/74ACT139 is a high−speed, dual 1−of−4 decoder/dem...
Datasheet	MC74ACT139 PDF File

Overview

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.
Pinout: 16−Lead Packages Conductors (Top View) PIN ASSIGNMENT PIN FUNCTION A0, A1 E Address Inputs Enable Inputs O0−O3 Outputs TRUTH TABLE Inputs E A0 A1 ...

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