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Partname:54AC139L
Description:Dual 1-of-4 Decoder/Demultiplexer
Manufacturer:National Semiconductor
Datasheet:PDF (172K).
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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.

Click here to download 54AC139L Datasheet
Click here to download 54AC139L Datasheet
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