Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 217.91

+0.9%

Dec 5 9:30 AM EST

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To: TechieGuy-alt who wrote (20208)	11/22/2000 1:27:51 PM
From: Petz	Read Replies (1) of 275872

TG, <1.7v is the MAX Vcc> Its obvious this is NOT because of thermal problems but because of punch-through problems. 4. The processor should not be subjected to any static Vcc and Icc combination wherein Vcc exceeds Vcc_mid + 0.055(1 - Icc /Icc_max ) [V]. Moreover, Vcc should never exceed Vcc_max (VID). Failure to adhere to this specification can shorten the processor lifetime. In other words, there is no hope of raising the Vcc to extend the core frequency beyond 1.5 GHz, even with active cooling. I also found the reason for the large disconnect between maximum DC input power (70 watts) and the "Thermal Design Power" spec of 54.7 watts. Catch this one: 2. The numbers in this column reflect Intel’s recommended design point and are not indicative of the maximum power the processor can dissipate under worst case conditions. For more details refer to the Intelâ Pentiumâ 4 Processor Thermal Design Guidelines. In other words, DON'T DESIGN FOR THE WORST CASE! TRUST US.* With Intel-approved software, I'm sure there will be no problem. EDIT - Andreas, sorry you already picked this up! Petz

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