STMicroelectronics – M95256 series of 256kbits EEPROM includes high-speed clock

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Non-Volatile Memory

The M95256 from STMicroelectronics is a series of 256kbits EEPROM memories, which are organised as 32768 x 8 bits, and which are accessed via an SPI bus. The device has a built-in high-speed 20MHz clock.

The M95256-W can operate from a supply-voltage range of 2.5V to 5.5V, the M95256-R and M95256-DR from 1.8V-5.5V, and the M95256-DF from 1.7V-5.5V. All have an ambient temperature range of -40°C to 85°C.

The M95256-Dx offers an additional page of 64bytes, called the Identification Page. The Identification Page can be used to store sensitive application parameters which can later be permanently locked in read-only mode.

  • Write time:
    5ms maximum byte
    5ms maximum page
  • 200 years’ data retention

 

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