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74HC259 - 8-bit addressable latch

General Description

The 74HC259; 74HCT259 is an 8-bit addressable latch.

Key Features

  • Wide supply voltage range from 2.0 V to 6.0 V.
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
  • Complies with JEDEC standards:.
  • JESD8C (2.7 V to 3.6 V).
  • JESD7A (2.0 V to 6.0 V).
  • Combined demultiplexer and 8-bit latch.
  • Serial-to-parallel capability.
  • Output from each storage bit available.
  • Random (addressable) data entry.
  • Easily expandable.
  • Common reset input.
  • Useful as a 3.

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Datasheet Details

Part number 74HC259
Manufacturer Nexperia
File Size 312.13 KB
Description 8-bit addressable latch
Datasheet download datasheet 74HC259 Datasheet

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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74HC259; 74HCT259 8-bit addressable latch Rev. 8 — 5 December 2022 Product data sheet 1. General description The 74HC259; 74HCT259 is an 8-bit addressable latch. The device features four modes of operation. In the addressable latch mode, data on the D input is written into the latch addressed by the inputs A0 to A3. The addressed latch will follow the data input, non-addressed latches will retain their previous states. In memory mode, all latches retain their previous states and are unaffected by the data or address inputs. In the 3-to-8 decoding or demultiplexing mode, the addressed output follows the D input and all other outputs are LOW. In the reset mode, all outputs are forced LOW and unaffected by the data or address inputs. Inputs include clamp diodes.