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74F139D (SO16)
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1-of-4 decoder/demultiplexer 74F139

FEATURES
• Demultiplexing capability
• Two independent 1-of-4 decoders
• Multifunction capability

DESCRIPTION
The 74F139 is a high speed, dual 1-of-4 decoder/demultiplexer. This
device has two independent decoders, each accepting two binary
weighted inputs (A0n, A1n) and providing four mutually exclusive
active-Low outputs (Q0n–Q3n). Each decoder has an active-Low
Enable (E). When E is High, every output is forced High. The Enable
can be used as the Data input for a 1-of-4 demultiplexer application.


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