Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 248.75

+0.3%

2:03 PM EST

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To: Elmer who wrote (66566)	12/30/2001 8:25:27 AM
From: Bill Jackson	Read Replies (1) of 275872

Elmer, You say that modern chips are so complex that a thorough test would take quite a while, so they build in section test systems and as long as all sections work OK and the pathways between them are OK it can replace comprehensive testing? Sounds valid, probably done on the die before socketing, followed by a go/nogo test after that? I can see that with 5000 WPW with 200 or so CPus/wafer that you would nead enormous parallelism of testers to keep up. If the tests took one hour you would need 6000 or for the 100/minute rate of production. Even at a minute per test you would need 100. So that is one of the bottle necks. I wonder if testing is a P-4 bottleneck? Are there a sea of untested P-4 in huge wafer parking lots on the shop floor? Bill

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