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SN74HC259 Datasheet 8-bit Addressable Latches

Manufacturer: Texas Instruments

Overview: SN54HC259, SN74HC259 SCLS134F – DECEMBER 1982 – REVISED MARCH 2022 SNx4HC259 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.

Key Features

  • Wide operating voltage range of 2 V to 6 V.
  • High-current inverting outputs drive up to 10 LSTTL loads.
  • Low power consumption, 80-μA max ICC.
  • Typical tpd = 14 ns.
  • ±4-mA output drive at 5 V.
  • Low input current of 1 μA max.
  • 8-bit parallel-out storage register performs serial- to-parallel conversion with storage.
  • Asynchronous parallel clear.
  • Active-high decoder.
  • Enable input simplifies expansion.
  • Expan.

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