CD74HC139 datasheet, decoder/demultiplexer equivalent, Texas Instruments

CD74HC139 decoder/demultiplexer equivalent, dual 2- to 4-line decoder/demultiplexer.

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Features and benefits

* Multifunction Capability - Binary to 1 of 4 Decoders or 1 to 4 Line Demultiplexer
* Active Low Mutually Exclusive Outputs
* Fanout (Over Temperature Range) .

Description

The ’HC139 and ’HCT139 devices contain two independent binary to one of four decoders each with a single active low enable input (1E or 2E). Data on the select inputs (1A0 and 1A1 or 2A0 and 2A1) cause one of the four normally high outputs to go low..

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