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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: Maxwell who wrote (37999)10/2/1998 11:44:00 PM
From: Elmer  Read Replies (1) | Respond to of 1571798
 
Re: "Can you give me the 6 sigma of speed distribution on Intel 0.25um PII process? "

Undoudtedly 6 sigma is waaaaaay outside their scrap limit. They wouldn't even have that data. Are you telling us that AMD ships 6 sigma material?

EP



To: Maxwell who wrote (37999)10/3/1998 4:04:00 PM
From: Yousef  Respond to of 1571798
 
Maxwell,

Re: "Can you give me the 6 sigma of speed distribution on Intel 0.25um PII process?"

Maxwell, Intel has a couple of "revisions" of the .25um process ... One
targeted at .19um printed linewidth and another at .22um printed linewidth.
At each of these there will be about +- 20nm variation ... Anything outside
this will be reworked. So the speed distribution really is a truncated
gaussian. The process for the 450mhz part will go above 500mhz, with 90%
speed yield targeted at 400mhz - 425mhz and 75% speed yield at 450mhz.
The "longer" gate (.22um) process will go above 400mhz.

Hope this helps.

Make It So,
Yousef