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74LS259 - 8-Bit Addressable Latches

General Description

These 8-bit addressable latches are designed for general purpose storage applications in digital systems.

Specific uses include working registers, serial-holding registers, and active-high decoders or demultiplexers.

Key Features

  • s 8-Bit parallel-out storage register performs serial-to-parallel conversion with storage s Asynchronous parallel clear s Active high decoder s Enable/disable input simplifies expansion s Direct replacement for Fairchild DM9334 s Expandable for N-bit.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DM74LS259 8-Bit Addressable Latches August 1986 Revised March 2000 DM74LS259 8-Bit Addressable Latches General Description These 8-bit addressable latches are designed for general purpose storage applications in digital systems. Specific uses include working registers, serial-holding registers, and active-high decoders or demultiplexers. They are multifunctional devices capable of storing single-line data in eight addressable latches, and being a 1-of-8 decoder or demultiplexer with active-high outputs. Four distinct modes of operation are selectable by controlling the clear and enable inputs as enumerated in the function table. In the addressable-latch mode, data at the datain terminal is written into the addressed latch.