By Cypress Semiconductor Corp 341
Cypress Semiconductor's QDR-II+ Xtreme is a high performance, dual-port SRAM memory. QDR-II+ Xtreme SRAM operates up to 633 MHz and is available in 36 Mb or 72 Mb densities. The Xtreme line of QDR-II+ and DDR-II+ devices are fit-, form-, and function-compatible with existing QDR-II+ family devices, allowing manufacturers of network switches, routers, and aggregation platforms to boost performance by increasing clock speeds without board layout changes.
Cypress's QDR SRAM is optimized for random transaction rate (RTR). RTR is the number of fully random read or write transactions a memory can perform every second. It is measured in MT/s, or million transactions per second. RTR is a critical metric in high performance applications, such as networking, where memory access is unpredictable.
DDR-II+ Xtreme: 72 Mbit and 36 Mbit DDR-II+ Xtreme SRAM | ||
The DDR-II+ Xtreme SRAMs operate up to 633 MHz and enable the next generation of high-speed networking and telecommunication applications. DDR-II+ Xtreme devices are similar to QDR-II+ Xtreme devices except that all DDR devices have a burst length of 2 and a single data rate address bus. DDR-II+ Xtreme devices have a single port for reads and writes, reducing the number of required data pin connections. | ||
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QDR-II+ Xtreme: 72 Mbit and 36 Mbit QDR-II+ Xtreme SRAM | ||
The QDR-II+ Xtreme SRAMs operate up to 633 MHz and enable the next generation of high-speed networking and telecommunication applications. | ||
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