IN74HC138A - 3-8 Decoder/Demultiplexer
IN74HC138A Features
* three Chip Select inputs, two active-low and one active-high to facilitate the demultiplexing, cascading, and chipselecting 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 th