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AT25128A - SPI Serial EEPROMs

General Description

The AT25128A/256A 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.

Key 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.
  • 2.7 (VCC = 2.7V to 5.5V).
  • 1.8 (VCC = 1.8V to 5.5V).
  • 20 MHz 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 Instruction.

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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 • Low-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) – 1.8 (VCC = 1.8V to 5.