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Politics : Formerly About Advanced Micro Devices
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To: Ali Chen who wrote (26283)12/1/1997 1:10:00 AM
From: Maxwell  Read Replies (3) of 1572777
 
Enough of the argument here:

The answer to Yousef-Ali's debate is that both of you are correct. The speed of the chip depends on architecture (pipelines and # of gates),
layout (capacitance and resistance), and process (capacitance and resistance). Ali argues from the architecture side and Yousef argues from the process side. The bottom line is that all 3 factors interact with each other and often difficult to sort out which is the speed limiter. The only test to determine which process is better, AMD versus Intel, is to give each company a mask set of a device and let each of them manufacture. Since Intel is not using local interconnect the process to be used is 4 metal layer with no LI. Backend must be kept fixed and only front end (transistors) can be twiked such as reduction in gate. Standard TiSi must be used, not cobalt silicide or other better conductive material. Dielectric used is SiO2, no low-k stuffs. Metal must be aluminum. The ones that can push the speed the highest has a better process. It is silly to compare K6 and PII speed because they have different architecture and layout.

Maxwell

PS. Yousef: you have updated your SI profile. Very interesting. I've been to Purdue many time. Nice school, bad football team but an excellent basketball team.
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