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Spansion to incorporate NAND flash to handsets

Posted: 04 Sep 2008 ?? ?Print Version ?Bookmark and Share

Keywords:memory? storage? NAND?

Spansion Inc. will begin sampling later this year its Ornand2 MirrorBit technology-based NAND devices to handset manufacturers. It said the parts support 25 percent faster write performance and up to twice the read performance at a significantly smaller die size than today's floating-gate NAND.

The technology employs 25 percent lesser process steps than the first-generation MirrorBit Ornand and MirrorBit NOR solutions.

Such renovation into the competitive NAND sector was announced recently during the opening of Spansion's Security and Advanced Technology Division headquarters in Agrate, Italy.

Bertrand Cambou, president and CEO of Spansion, said the initial 1Gbit, 2Gbit and 4Gbit densities of Ornand2, with an embedded 8051 MCU, is intended for high-value, high-margin and embedded applications.

"It is true that the NAND market is highly competitive in price, but we are not addressing the high volume segments such as SSDs, MP3 players and memory sticks, where quality is not so crucial," said Cambou.

He stressed, "We have no appetite for the oversupplied commodities end of the NAND flash business."

The initial parts, which will be developed using 43nm technology, will be created by Spansion at a facility in California. "We plan to transfer the technology to Semiconductor Manufacturing International Corp., our China fab partner, by December, and it will be responsible for volume production, which should be released by mid 09. Over time, we are looking into shifting the Ornand2 devices to a 32nm process," he noted.

Cambou said he expects to have a "sweet spot" for the Ornand2 range to be the 2GBit part, but the company will soon be offering an 8Gbit MCP version for those that require higher densities.

The MirrorBit Ornand2 products are based on a single-level cell architecture that works well at 3V.

- John Walko
EE Times Europe

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