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To: ptanner who wrote (44362)	6/14/2001 8:03:17 PM
From: dale_laroy	Respond to of 275872

>Still, regardless of the details, the capacity of Fab25 when producing Duron/T-Bird is much lower than the old very mature K6-2 design.< I would imagine that especially for Duron, the percentage yield for Duron now is at least fairly close to the percentage yield for K6-2 back at the time the figure was 6.3 million processors. Based on die size alone the figure would be about 5.1 million. Then figure perhaps 10% for decreased yield would reduce this to about 4.6 million. Oops, with these assumptions Fab25 would be able to yield only 4.6 million Duron processors and Fab30 only about 3.8 million TBird processors at full ramp. This would come up to only about 8.4 million processors at full ramp of Fab30. Yet we know that AMD was able to produce 7.3 million processors with Fab30 at only 50% ramp. It seems reasonable that this will increase to about 9.7 million processors at full ramp of Fab30. Obviously, AMD is already getting a higher percentage yield for K7 than K6.