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AT25040 - SPI Serial EEPROMs

General Description

The AT25010/020/040 provides 1024/2048/4096 bits of serial electrically erasable programmable read only memory (EEPROM) organized as 128/256/512 words of 8 bits each.

Key Features

  • Serial Peripheral Interface (SPI) Compatible.
  • Supports SPI Modes 0 (0,0) and 3 (1,1).
  • Low-voltage and Standard-voltage Operation.
  • 2.7 (VCC = 2.7V to 5.5V).
  • 3.0 MHz Clock Rate (5V).
  • 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).
  • High.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT25040A TEMPERATURE EEPROMS
AT25010 SPI Serial EEPROMs
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AT25020 SPI Serial EEPROMs
AT25020A TEMPERATURE EEPROMS

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) • Low-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) • 3.0 MHz Clock Rate (5V) • 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) • High Reliability – Endurance: One Million Write Cycles – Data Retention: 100 Years • Automotive Grade Devices Available • 8-lead PDIP and 8-lead JEDEC SOIC Packages Description The AT25010/020/040 provides 1024/2048/4096 bits of serial electrically erasable programmable read only memory (EEPROM) organized as 128/256/512 words of 8 bits each.