Cypress: Semper NOR Flash meets automotive ISO 26262 functional safety

Cypress Semiconductor announced its Semper NOR Flash memory family that delivers the industry’s best combination of safety and reliability for automotive and industrial applications. The Semper Flash family is the first memory that is architected and designed to meet the automotive industry’s ISO 26262 functional safety standard for building fail-safe embedded automotive systems. The family is automotive-qualified, ASIL-B functional safety compliant, and provides superior endurance and data retention at the extreme temperatures common in automotive and industrial applications.

Cypress’ EnduraFlex architecture simplifies system design by enabling a Semper Flash device to be divided into multiple partitions, independently optimized for high endurance or long retention. For frequent data writes, a partition can be configured to deliver up to 1.28 million program-erase cycles for 512Mb density parts and 2.56 million cycles for 1Gb parts. For code and configuration storage, a partition can be configured to retain data for 25 years.

The Semper Flash family includes AEC-Q100 automotive-qualified devices with an extended temperature range of -40 to +125°C, supports 1.8-V and 3.0-V operating ranges, and is available in densities of 512Mb through 4Gb. The devices are offered with Quad Serial Peripheral Interface (SPI), Octal SPI and HyperBus interfaces. The Octal and HyperBus interface devices are compliant with the JEDEC eXpanded SPI (xSPI) standard for high-speed x8 serial NOR Flash and offer read bandwidth of 400 MBps.


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