M95640-R - STMicroelectronics

M95640-R 64-Kbit serial SPI bus EEPROM

1 Description The M95640 devices are electrically erasable programmable memories (EEPROMs) organized as 8192 x 8 bits, accessed through the SPI bus. The M95640-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95640-R can operate with a supply voltage from 1.8 V to 5.5 V and the M95640-DF can operate with a supply voltage from 1.7 V to 5.5 V, .

Features

SPI interface
• Compatible with the serial peripheral interface (SPI) bus Memory
• 64 Kb (8 Kbytes) of EEPROM
• Page size: 32 bytes
• Additional write lockable page (identification page) Supply management
• Wide single supply voltage:
  – 2.5 V to 5.5 V for M95640-W
  – 1.8 V to 5.5 V for M95640-R
  – 1.7 V to 5.5 V for M95640-DF Temperature
• Operating temperature range: from -40 °C up to +85 °C Fast write cycle time
• Byte and page write within 5 ms High speed clock frequency
• Clock up to 20 MHz Performance
• Enhanced ESD protection
• More than 4 million write cycles
• More than 200-year data ret.