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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 3,072

On Order: 0
Factory Stock:Factory Stock: 33,552
Factory Lead Time: 4 Weeks
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $0.175
480 $0.15
1,200 $0.146
3,600 $0.142
7,200+ $0.14


Attributes Table
Logic Circuit Decoder/Demux
Family C/AC
No of Functions / Channels 2
Supply Voltage-Nom 2V to 6V
Features and Applications

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 m
  • ACT139 Has TTL Compatible Inputs
  • These devices are available in Pb-free package(s)