Radiation-hardened SRAMs for military/satellite withstand 300 KRads

Cypress has introduced a radiation-hardened 72-MBit QDR II SRAMs. The SRAMs utilizes Cypress锟絪 patented RadStop technology, enabling uncompromised functionality in the face of radiation doses of up to 300 kRads. The radiation hardened QDRII SRAMs also deliver outstanding performance, with clock speeds up to 250 MHz and throughput up to 36 gigabits per second (Gbps). These memories enable Cypress to support additional aerospace and defense applications such as weapons systems and satellites.

The RadStop technology merges manufacturing process hardening with proprietary design techniques. Devices with RadStop technology deliver single event latch-up and single event functional interrupt immunity at temperatures as high as 125 degrees Celsius.

Cypress provides four configurations of the 72 Megabit QDR II, available in both x18 and x36 bus widths,and with two- and four-word burst modes: CYRS1542AV18-250GCMB (x18, burst of 2); CYRS1543AV18-250GCMB (x18, burst of 4); CYRS1544AV18-250GCMB (x36 burst of 2); CYRS1545AV18-250GCMB (x36, burst of 4). All the devices are offered in 165-pin Ceramic Column Grid Array (CCGA) packages.

Availability: Samples are available now. Full production and QML-V qualification is expected in January, 2011.

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