Data retention time for AT90S8515

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Where can I find official information about data retention time for internal FLASH and EEPROM for AT90S8515 microcontroller?

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Hi Igor,

Atmel guarantees 100.000 write/erase cycles and 20 years of EEPROM data retention. This means that after each cycle up to the 100.000th cycle, the EEPROM data should be retained for 20 years.

(In theory, we therefore guarantee 100.000 x 20 yrs = 2 milliion years, which probably is longer than the application endurance :) )

Please take steps to prevent EEPROM corruption due to brown-out.

Best regards,

Morten, AVR tech. support, Atmel FAE

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