onsemi 74AC139SC Multiplexer, Decoder, Demultiplexer, 1-of-4, 16-Pin SOIC

The AC/ACT139 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 AC/ACT139 can be used as a function generator providing all four minterms of two variables.

ICC reduced by 50%
Multifunction capability
Two completely independent 1-of-4 decoders
Active LOW mutually exclusive outputs
Outputs source/sink 24 mA
ACT139 has TTL-compatible inputs
Applications
This product is general usage and suitable for many different applications.