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Nvidia mobile GPU based on TSMC 65nm process

Posted: 08 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:Nvidia? DRAM? 65nm? TSMC? mobile GPU?

Nvidia Corp. is the first to see chips with embedded DRAM based on the 65nm process from Taiwan Semiconductor Mfg Co. (TSMC). The graphics firm used the process for its latest mobile GPU, the foundry said.

TSMC's 65nm embedded DRAM process and IP shrinks the cell and macro size by nearly 50 percent compared to its previous generation. The foundry is targeting the higher bandwidth offered by the embedded DRAM at applications such as game consoles, high-end networking, digital consumer and multimedia processors.

The embedded DRAM allows for some of the key power-saving tricks being tapped by designers today, including sleep mode, partial power cut-off and on-chip temperature compensation, while also improving data retention time.

The 65nm embedded DRAM process is built on up to 10 metal layers using copper low-k interconnect and nickel silicide transistor interconnect, TSMC said. The cell size is less than a quarter of its SRAM counterpart, and macro densities range from 4Mbits to 256Mbits.

TSMC began its 65nm logic production in the second quarter of 2006. It's 90nm embedded DRAM process has run since the first quarter of 2006.

- Mike Clendenin
EE Times

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