Dual 1-of-4 Decoder/Demultiplexer

The IN74AC139 is identical in pinout to the LS/ALS139, HC/HCT139. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. This device consists of two independent 1-of-4 decoders, each of which decodes a two-bit Address to one-of-four active-low outputs. Active-low Selects are provided to facilitate the demultiplexing and cascading functions. The demultiplexing function is accomplished by using the Address inputs to select the desired device output, and utilizing the Select as a data input. By Integral Corp.
IN74AC139 's PackagesIN74AC139 's pdf datasheet

IN74AC139 Pinout, Pinouts
IN74AC139 pinout,Pin out
This is one package pinout of IN74AC139,If you need more pinouts please download IN74AC139's pdf datasheet.

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