text.skipToContent text.skipToNavigation
Product Variant Information section
Product Specification Section
Pricing Section

Stock: 15,000

On Order:Order inventroy details 20,000
Factory Stock:Factory Stock: 5,000
Factory Lead Time: 4 Weeks
Minimum Order: 2,500
Multiple Of: 2,500
Quantity Web Price
2,500 $0.18
5,000 $0.162
7,500 $0.146
10,000 $0.131
12,500+ $0.118


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)