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74HC138A Datasheet 1-OF-8 DECODER / DEMULTIPLEXER

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

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Overview

MOTOROLA SEMICONDUCTOR TECHNICAL DATA 1-of-8 Decoder/Demultiplexer High–Performance Silicon–Gate CMOS The MC54/74HC138A is identical in pinout to the LS138.

The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.

The HC138A decodes a three–bit Address to one–of–eight active–low outputs.

Key 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. www. DataSheet4U. com.
  • Output Drive Capability: 10 LSTTL Loads.
  • Outputs Directly Interface to CMOS, NMOS.

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