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25020AN - AT25040A

General Description

The AT25010A/020A/040A provides 1024/2048/4096 bits of serial electrically-erasable programmable read-only memory (EEPROM) organized as 128/256/512 words of 8 bits each.

The device is optimized for use in many automotive applications where low-power and low-voltage operation are essential.

Key Features

  • Serial Peripheral Interface (SPI) Compatible.
  • Supports SPI Modes 0 (0,0) and 3 (1,1).
  • Data Sheet Describes Mode 0 Operation.
  • Medium-voltage and Standard-voltage Operation.
  • 2.7 (VCC = 2.7V to 5.5V) Extended Temperature Range.
  • 40°C to +125°C 5.0 MHz Clock Rate 8-byte Page Mode 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 Pr.

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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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Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1) – Data Sheet Describes Mode 0 Operation • Medium-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) Extended Temperature Range −40°C to +125°C 5.0 MHz Clock Rate 8-byte Page Mode 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 (10 ms max) www.DataSheet4U.