Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 215.11

+0.1%

9:30 AM EST

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To: kpf who wrote (220071)	12/11/2006 6:40:17 PM
From: Elmer Phud	Read Replies (2) of 275872

kpf And Ali was not talking about variations in a fab (such exist as well, undisputedly) but on the dies everybody encounters. I understand that. That's what I'm talking about too. It appears he's implying that yield numbers don't reflect the effects of intra-die variation as well as inter-die variation. Note the terms intra and inter. The only way that could happen is if you couldn't determine the intra and inter die variation. That's just not the case. You certainly can. So while yield numbers don't tell you the actual binsplit information in a single number, they still reflect the number of saleable die, or at least to a very high probability. Further information is available to planners on which wafer or fab lot has a high % of a particular binsplit, so those can be targeted at a particular run where X number of BinY are needed. No doubt both AMD and Intel do this and have so for a number of years.

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