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Technology Stocks : Spansion Inc.

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Apr 16 5:00 PM EST

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To: Pam who wrote (3089)	1/18/2008 10:57:52 AM
From: Rink	Read Replies (1) of 4590

Pam, re: with a Quadbit architecture [at 65nm], I would get 4Gb in 160mm2 and that is no match to Toshiba/Sandisk/Samsung's 8Gb on 56/51nm with a die size of under 100mm2! Hope you don't mind me repeating it once, but your conclusion is incorrect if Spansion is more or less right here: Due to the increased storage capacity per cell, MirrorBit Quad technology is capable of delivering up to 30 percent smaller effective cell size per bit than floating-gate MLC NAND Flash memory technology at the same process technology node. investor.spansion.com Even if their would be no (<=30%) advantage a 4Gb Mirrorbit Quad chip at 65nm would be approximately (in an ideal scaling situation) equate to a 8Gb MLC NAND chip at 45nm. (Or in other words a 4Gb Mirrorbit Quad chip would have the same size as a 4Gb MLC NAND chip at the same process node, provided there was no <=30% size advantage.) Regards, Rink

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