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AT25128B - SPI Serial EEPROM

Datasheet Summary

Description

The Atmel® AT25128B/256B provides 131,072/262,144 bits of Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 16,384/32,768 words of 8 bits each.

Features

  • Serial Peripheral Interface (SPI) Compatible.
  • Supports SPI Modes 0 (0,0) and 3 (1,1) ̶ Data Sheet Describes Mode 0 Operation.
  • Low-voltage and Standard-voltage Operation ̶ VCC = 1.8V to 5.5V.
  • 20MHz Clock Rate (5V).
  • 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 Data Protection.
  • Self-timed Write Cycle (5ms max).

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Datasheet preview – AT25128B

Datasheet Details

Part number AT25128B
Manufacturer ATMEL Corporation
File Size 437.07 KB
Description SPI Serial EEPROM
Datasheet download datasheet AT25128B Datasheet
Additional preview pages of the AT25128B datasheet.

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Full PDF Text Transcription

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AT25128B and AT25256B SPI Serial EEPROM 128K (16,384 x 8), 256K (32,768 x 8) DATASHEET Features  Serial Peripheral Interface (SPI) Compatible  Supports SPI Modes 0 (0,0) and 3 (1,1) ̶ Data Sheet Describes Mode 0 Operation  Low-voltage and Standard-voltage Operation ̶ VCC = 1.8V to 5.
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