1-of-8 Decoder/Demultiplexer

The IN74HC138A is identical in pinout to the LS/ALS138. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. The IN74HC138A decodes a three-bit Address to one-of-eight active-low outputs. This device features three Chip Select inputs, two active-low and one active-high to facilitate the demultiplexing, cascading, and chip-selecting functions. The demultiplexing function is accomplished by using the Address inputs to select the desired device output; one of the Chip Selects is used as a data input while the other Chip Selects are held in their active states. By Integral Corp.
IN74HC138A 's PackagesIN74HC138A 's pdf datasheet
IN74HC138AN PDIP
IN74HC138AD SOIC




IN74HC138A Pinout, Pinouts
IN74HC138A pinout,Pin out
This is one package pinout of IN74HC138A,If you need more pinouts please download IN74HC138A's pdf datasheet.

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