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Serial EEPROMs boast 300,000 data writes

Posted: 15 Dec 2011 ?? ?Print Version ?Bookmark and Share

Keywords:serial EEPROM? automotive application? data retention?

Seiko Instruments Inc. (SII) has rolled a series of SPI serial EEPROMs engineered for automotive applications. The S-25AxxxB EEPROMs tout memory capacity from 8-256Kb.

At present, automobile designs require high-performance EEPROMs in on-board systems that control the car's operation and fuel consumption while ensuring passenger comfort and safety. Along with the requirement for increased EEPROM capacity, automotive applications also require extremely high reliability and security.

S-25AxxxB series

The SII S-25AxxxB series touts memory capacity from 8-256Kb.

While conventional EEPROMs typically have significantly degraded write performance at high temperatures, the S-25AxxxB series assures performance of up to 300,000 writes at 125C, along with retention of the EEPROM data for as long as 50 years, noted SII.

Additionally, the EEPROMs are screened to eliminate electronic leakage bit-errors, and use special low power and voltage fluctuation detection circuits to prevent errors caused by electrical noise or power variations. The S-25AxxxB series is available in SOP-8, TSSOP-8 and TMSOP-8 packages.

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