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Politics : Formerly About Advanced Micro Devices

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To: Pravin Kamdar who wrote (68150)8/10/1999 3:27:00 PM
From: FJB  Read Replies (2) of 1578871
 
My apologies if this was already posted. I don't believe much of the content, but found it interesting. Are you still in the Mediterranean Pravin?

Though Intel Corp., Motorola Inc. and Digital Equipment Corp. closely guard the yield figures for their respective Pentiums, PowerPCs and Alpha microprocessors, the ETL researchers claimed that those manufacturers have suffered yields as low as 10 percent on microprocessors over 500 MHz. If the problem isn't addressed, they warned, yields could dip below 3 percent by the time chip speeds hit the GHz range.

"The timing delays from the random variations in parasitic capacitance and resistance along data lines are causing out-of-specification flaws, [causing] a large proportion of new chips with clock speeds over 500 MHz to fail during testing," said Takahashi. The ETL researchers thus designed components that can be integrated onto high-speed chips to correct for random variations in parasitic capacitance and resistance.

eet.com

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