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To: Elmer who wrote (133950)5/1/2001 11:07:19 PM
From: fyodor_  Read Replies (2) | Respond to of 186894
 
EP: UMC doesn't have as good a process as AMD. At these levels you don't tune your design for the process, you tune the process for your design.

IMHO, you are completely correct. UMC is a foundry and, as such, needs very high yields on an extremely wide variety of chips. Their process just isn't going to be optimized for clock speed.

I seem to recall that UMC's (or maybe it was TSMC's) .13&#181 process would feature a gate length of 100nm. That's where Intel and AMD are on their .18&#181 processes. Sure, gate lengths aren't everything - and I'm not claiming that Intel/AMD are a full generation ahead - but I just don't see how UMC (or any other non-IBM foundry) is going to pull off production volumes of a modern x86 chip operating at ~ 1GHz.

-fyo