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AT25040 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)
  • 3.0 MHz Clock Rate (5V)
  • 8-byte Page Mode
  • Block Write Protection
  • Protect 1/4, 1/2, or Entire Array
  • Self-timed Write Cycle (10 ms max)
  • High Reliability

Other AT25040 Datasheets

Manufacturer Part Number Description
ATMEL Logo Atmel AT25040B SPI Serial EEPROM
Microchip Logo Microchip Technology AT25040B SPI Automotive Temperature Serial EEPROM

AT25040 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. The device is optimized for use in many industrial and mercial applications where low-power and low voltage operation are essential. The AT25010/020/040 is available in space saving 8-lead PDIP and 8-lead JEDEC SOIC packages.