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Toshiba, SanDisk ship 'highest-density' NAND

Posted: 01 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:flash memory? NAND? 56nm? Toshiba? SanDisk?

NAND flash memory from Toshiba

Toshiba Corp. has announced the introduction of a 16Gbit and a 8Gbit NAND flash memory fabricated in 56nm process technology and co-developed with SanDisk Corp. The 16Gbit version is said to be the highest-density single-chip NAND flash memory yet achieved.

Advancing from limited production of engineering samples at the end of 2006, Toshiba is increasing shipments of commercial samples of the new 8Gbit single-chip, multilevel cell (MLC) NAND flash memories, the current mainstream density, with availability from today. Toshiba intends to start shipping commercial samples of 16Gbit NAND flash memories in the late first quarter of this year.

The adoption of MLC technology and improved programming efficiency allows the new chips to offer high density and write performance. Application of 56nm process technology realizes 16Gbit, twice the memory density per chip achieved with 8Gbit 70nm technology, achieving the largest single-chip density in NAND flash memory, the company said. A write performance of 10MBps, twice that of Toshiba's present MLC products, reflects the efficiency obtained with advanced process technology and doubling page size, the amount of data that can be written at one time, from 2,112bytes to 4,314bytes.

By combining advanced process and MLC technologies, and through continued advances in production efficiency, Toshiba intends to enhance cost competitiveness and meet the needs of the NAND flash memory market.

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