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AT25256 Datasheet

Manufacturer: Atmel (now Microchip Technology)

This datasheet includes multiple variants, all published together in a single manufacturer document.

AT25256 datasheet preview

Datasheet Details

Part number AT25256
Datasheet AT25256 AT25128 Datasheet (PDF)
File Size 462.76 KB
Manufacturer Atmel (now Microchip Technology)
Description SPI Serial EEPROMs
AT25256 page 2 AT25256 page 3

AT25256 Overview

The device is optimized for use in many industrial and mercial applications where low-power and low-voltage operation are essential. In addition, the entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions. This device is not remended for new designs.

AT25256 Key Features

  • Serial Peripheral Interface (SPI) patible
  • Supports SPI Modes 0 (0,0) and 3 (1,1)
  • Low-voltage and Standard-voltage Operation
  • 2.7 (VCC = 2.7V to 5.5V)
  • 1.8 (VCC = 1.8V to 5.5V) 3 MHz Clock Rate 64-byte Page Mode and Byte Write Operation Block Write Protection
  • Protect 1/4, 1/2, or Entire Array Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software D
  • Endurance: 100,000 Write Cycles
  • Data Retention: >200 Years Automotive Grade, Extended Temperature and Lead-Free Devices Available 8-lead PDIP, 8-lead EI

AT25256A from other manufacturers

See all manufacturers

Brand Logo Part Number Description Other Manufacturers
ATMEL Corporation Logo AT25256A SPI Serial EEPROMs ATMEL Corporation
Microchip Logo AT25256B SPI Serial EEPROM Microchip
ATMEL Corporation Logo AT25256B SPI Serial EEPROM ATMEL Corporation
Atmel (now Microchip Technology) logo - Manufacturer

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