Formerly About Advanced Micro Devices Message Board

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Politics : Formerly About Advanced Micro Devices

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To: Mani1 who wrote (113181)	5/29/2000 1:23:00 AM
From: Hans de Vries	Read Replies (1) of 1573834

Mani, I hope they did their homework well... This is what they claim: Performance Benefits Most of the heat generated in a microprocessor occurs in the logic core where 5 to 10 million transistors are operating at full rated speed. This area comprises only 1-2% of the area of the silicon chip and localized temperatures can exceed 150oC. Getting the heat out of this small area and into the rest of the chip and the package is an engineering challenge that silicon-28 can effectively address. Lower transistor junction temperatures due to isotopically pure silicon-28 will directly improve transistor performance due to higher carrier mobilities, reduced junction leakage in logic devices, reduced charge leakage in memory devices, and reduced metal electromigration. The lower temperatures possible will improve the reliability and lifetime of critical devices. The 1-2% is the area directly below the gates only: Localized hot-spots on the chip get their heat out to the rest of the die. Regards Hans.

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