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Politics : Formerly About Advanced Micro Devices
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To: THE WATSONYOUTH who wrote (91001)2/2/2000 12:30:00 AM
From: Charles R   of 1576619
 
TWY,

<I also think Intel is running with much higher off currents than in the past. With much flatter Vtsat roll off curves due to much better device engineering, much lower Vtsat is possible throughout the channel length distribution. This would explain why the deep sleep modes are no longer possible on .18um Coppermines. The deepest sleep mode is largely just device off current. Since Ioff is now much higher throughout the channel length distribution, these deep sleep modes are no longer possible. Lower Vtsat with accompanying higher Ioff tests the noise margins of the design but this is one of the few remaining ways to easily increase performance.>

I saw someone else put forth a similar theory. Don't know how far this is true but makes intuitive sense to me.

Chuck
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