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MC74ACT139

Part Number	MC74ACT139
Manufacturer	Motorola
Description	DUAL 1-OF-4 DECODER/DEMULTIPLEXER
Published	Nov 24, 2017
Detailed Description	MC74AC139 MC74ACT139 Dual 1ĆofĆ4 Decoder/Demultiplexer The MC74AC139/74ACT139 is a high-speed, dual 1-of-4 decoder/demu...
Datasheet	MC74ACT139 PDF File

Overview

MC74AC139 MC74ACT139 Dual 1ĆofĆ4 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.
• Multifunction Capability • Two Completely Independent 1-of-4 Decoders • Active LOW Mutually Exclusive Outputs • Outputs Source/Sink 24 mA • ′ACT139 Has TTL Compatible Inputs VCC Eb A0b A1b O0b O1b O2b O3b 16 15 14 13 12 11 10 9 DUAL 1-OF-4 DECODER/DEMULTIPLEXER N SUFFIX CASE 648-08 PLASTIC 12345678 Ea A0a A1a O0a O1a O2a O3a GND TRUTH TABLE Inputs E A0 A1 O0 HXX LLL LHL LLH LHH H L H H H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Outputs O1 O2 HH HH LH HL HH O3 H H H H L PI...

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