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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 17,300

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 5 Weeks
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $0.345
250 $0.25
500 $0.24
750 $0.235
1,500+ $0.225


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

The MC74AC138/74ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three MC74AC138/74ACT138 devices or a 1-of-32 decoder using four MC74AC138/ 74ACT138 devices and one inverter.


  • Demultiplexing Capability
  • Multiple Input Enable for Easy Expansion
  • Active LOW Mutually Exclusive Outputs
  • Outputs Source/Sink 24 mA
  • ACT138 Has TTL Compatible Inputs
  • These devices are available in Pb-free package(s)