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Toshiba, NEC, Fujitsu agree on common specs for PSRAM

Posted: 09 Sep 2004 ?? ?Print Version ?Bookmark and Share

Keywords:toshiba? nec electronics? fujitsu? psram? cosmoram rev. 3?

Toshiba Corp., NEC Electronics Corp., and Fujitsu Ltd have agreed on standard interface specifications for Pseudo Static Random Access Memory (PSRAM) with burst mode. Based on the specifications, known as COSMORAM (Common Specifications for Mobile RAM) Rev. 3, each of the three companies will independently begin production and sales of PSRAM devices scheduled to be available in the market starting March 2005.

The three companies promulgated common specifications in September 1998 for stacked multi-chip packages (MCPs), which include both flash memory and SRAM. The companies jointly announced common interface specifications for page mode PSRAM and stacked MCPs in March 2002, and for burst mode PSRAM and stacked MCPs in February 2003.

As a result of the past agreements, the companies have now standardized additional specifications for burst mode PSRAM that ensure continued compatibility with existing products while enabling higher performance and convenience, making COSMORAM Rev.3 suitable for future mobiles phones and PDAs.





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