Cypress radiation-hardened QDR-II+ SRAMs achieve QML Class V certification

Cypress Semiconductor has announced its radiation-hardened  (RadHard) 72-Mbit Quad Data Rate II+ (QDR-II+) SRAMs and 4-Mbit fast asynchronous SRAMs have achieved Qualified Manufacturers List Class V and Class Q requirements – the highest standards of quality and reliability for aerospace-grade ICs.

The 72-Mbit QDR-II+ SRAMs deliver throughput performance up to 36 gigabits per second (Gbps) by leveraging the ability to read and write data simultaneously. This throughput, combined with complete random access of data and free memory controllers for FPGAs, enables reconfigurable computing platforms that allow satellites to be reprogrammed while in space. The devices also feature low latency and are intendedl for radar and networking applications used in space

Both new SRAM families employ Cypress’s patented RadStop technology, which enables functionality in the face of radiation up to 300 krads. The devices are manufactured in the Cypress’s fabrication facility in Bloomington, Minnesota, which is Microelectronics Trusted Category 1A accredited.

“Cypress’s radiation-hardened SRAMs demonstrate a commitment to providing QML Class V reliability and performance for the aerospace market,” said Sam Geha, vice president of the Aerospace and Defense Business Unit at Cypress. “The throughput of our flagship 72-Mbit QDR-II+ devices will enable innovative usages, such as reconfigurable computing, while our 4-Mbit fast asynchronous devices deliver faster speed than any competing solutions.”

The radiation-hardened 4-Mbit devices deliver access times of 10 ns at 85°C and 12 ns at 125°C. They are also the first 90-nm, QML-V qualified devices of their kind and are ideal for a wide range of space and military applications.

Cypress’s RadStop technology combines manufacturing process hardening and proprietary design techniques. With RadStop technology, the SRAMs deliver single event latch-up immunity and single event functional interrupt immunity at temperatures as high as 125°C.

www.cypress.com

 

 

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