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M95256-R Datasheet 256-kbit Serial Spi Bus Eeprom

Manufacturer: STMicroelectronics

This datasheet includes multiple variants, all published together in a single manufacturer document.

M95256-R Overview

1 Description The M95256 devices are electrically erasable programmable memories (EEPROMs) organized as 32768 x 8 bits, accessed through the SPI bus. The M95256-DF, -DR or -DW (hereinafter referred to as M95256-Dx) offer an additional page, named the Identification page (64 bytes). The Identification page can be used to store sensitive application parameters that can be (later) permanently locked in read-only mode.

M95256-R Key Features

  • patible with the serial peripheral interface (SPI) bus
  • Memory array
  • 256-Kbit (32 Kbytes) of EEPROM
  • Page size: 64 bytes
  • Additional write lockable page (Identification page)
  • Write time
  • Byte Write within 5 ms
  • Page Write within 5 ms
  • Write protect
  • quarter array

M95256-R Distributor