HD74AC139 decoder/demultiplexer equivalent, dual 1-of-4 decoder/demultiplexer.
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* Multifunction Capability Two Completely Independent 1-of-4 Decoders Active Low Mutually Exclusive Outputs Outputs Source/Sink 24 mA HD74ACT1.
replacing multiple gate functions as shown in Figure a, and thereby reducing the number of packages required in a logic.
The HD74AC139/HD74ACT139 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 whic.
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