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ST rolls automotive-qualified 2Mb EEPROM

Posted: 28 Jul 2015     Print Version  Bookmark and Share

Keywords:STMicroelectronics  automotive  EEPROM  ECU 

STMicroelectronics has released what it says is the first AEC-Q100-qualified 2Mb EEPROM device. According to the company, the product extends the possibilities for parameter storage and management in complex automotive modules.

The M95M02 EEPROM combines large storage capacity with high cycling and data-retention performance (four million cycles per byte, clock frequency up to 10MHz and 100 years guaranteed). Together, these features enable better accuracy and flexibility in electronic control unit (ECU) operation. With this EEPROM, the complex control algorithms in the ECU can take advantage of fine-grained real-time monitoring of environment parameters for maximum precision.


The 2Mb EEPROM offers an additional lockable page of 256 bytes to safely store module tracing ability, identification numbers or mission-critical data. The lockable page has specific access instructions to avoid interaction with the standard part of the memory array. Mission-critical data can be updated and cycled or locked into a read-only mode for more security.

The M95M02-A125 EEPROMs have passed the AEC-Q100 Grade-1 reliability criteria tests and operate at 2.5V up to 125°C. They extend the ST automotive EEPROM density range from 2Kb up to 2Mb in a single SO8N footprint package, for design flexibility. The M95M02-A125 is available in volume, priced from $1.50 (1000).

- Graham Prophet
  EE Times Europe

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