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. Features.
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MC74HCT138A 1-of-8 Decoder/ Demultiplexer with LSTTL Compatible Inputs High−Performance Silicon−Gate CMOS The MC74HCT138A is identical in pinout to the LS138. The HCT138A...
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CMOS The MC74HCT138A is identical in pinout to the LS138. The HCT138A may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. The HCT138A decodes a three−bit Address to one−of−eight active−lot 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.
MC74HCT138A Datasheet
