Toshiba, NEC And Fujitsu Announce Agreement on "COSMORAM Rev. 4" Specifications

Toshiba, NEC Electronics, and Fujitsu Limited announced that they have reached an agreement on standard interface specifications known as COSMORAM (COmmon Specifications for MObile RAM) Rev. 4, for Pseudo Static Random Access Memory (PSRAM) for use in mobile devices. Based on these specifications, each of the three companies will independently begin production and sales of PSRAM devices, with products scheduled to be available from each company from March 2007.

The new COSMORAM Rev. 4 is a specification for PSRAM with double data rate burst (DDR burst) mode, which enables up to twice the previous data transfer rates. DDR burst mode enables a leap in data read/write performance by achieving twice the peak data bandwidth of conventional products. In addition, the short latency mode, which cuts initial access time to roughly half that of conventional products, improves effective bandwidth. These functions are optimal for mobile phones and mobile information terminals, which require ever-increasing levels of high-speed processing.

Source: Toshiba

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