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ZTE selects Cypress SRAMs for Ethernet switches

Posted: 22 Oct 2010 ?? ?Print Version ?Bookmark and Share

Keywords:PLL? DLL? port density?

ZTE Corp. has has decided to use Cypress's 65nm 72Mb QDR II+ SRAM devices for its ZXCME 9500 series of Ethernet switches.

The ZXCME 9500 series Metro Ethernet products feature an advanced distributed and modular architecture and design, and uses large-capacity switching fabric. The Metro Ethernet products offer carrier-class bearing and transport of multiple services, mainly positioned at the core/aggregation layer of a Metro Network. A maximum backplane bandwidth of 2.52Tb/s provides fast protection switchover and redundant backup of key modules and power supply. Other features include an On-Die Termination option to improve signal integrity, reduce system cost and save board space; and a PLL instead of a DLL to enable a 35 percent wider data valid window to cut system development time and expenses. "The excellent speed and low latency of Cypress's SRAMs are instrumental in the outstanding performance that the ZXCME 9500 series offers our customers," said Li Hongqi, product development manager at ZTE.

Meanwhile, Cypress' 72Mb devices, which are also targeted for Internet core and edge routers, 3G base stations, secure routers, and medical imaging and military signal processing systems, are pin-compatible with 90nm SRAMs, allowing networking customers to retain the same board layout while increasing performance and port density. Cypress said the 65nm QDR SRAMs' operating power is 40 percent less than those of their 90nm predecessors.

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