Description
The 74LS139 is a dual 2-to-4 line decoder/demultiplexer IC from the 74LS (Low Power Schottky) logic family. It contains two independent 2-to-4 line decoders, each with active-low outputs. Each decoder converts 2-bit binary information into a 4-bit binary output, where only one of the four outputs is active (LOW) at any time, based on the input address.
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