Dual 1-of-4 Decoder/Demultiplexer

The IN74HCT139A is identical in pinout to the LS/ALS139. The IN74HCT139A may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. 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.
IN74HCT139A 's PackagesIN74HCT139A 's pdf datasheet

IN74HCT139A Pinout, Pinouts
IN74HCT139A pinout,Pin out
This is one package pinout of IN74HCT139A,If you need more pinouts please download IN74HCT139A's pdf datasheet.

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