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


To: Tenchusatsu who wrote (54207)4/5/1999 7:56:00 AM
From: Kevin K. Spurway  Read Replies (1) | Respond to of 1577917
 
Re: "I thought AMD uses local interconnect, which allows them to achieve higher transistor densities than Intel at the same feature size."

I think you'll also find that Dixon (256k L2) is less than 2 times 24mm2 the size of the PII.

Kevin



To: Tenchusatsu who wrote (54207)4/5/1999 8:01:00 AM
From: Process Boy  Respond to of 1577917
 
re: "I thought AMD uses local interconnect, which allows them to achieve higher transistor densities than Intel at the same feature size."

As I understand it, Local Interconnect (M0, or, Metal Zero) is one process item that can allow for greater feature density because interconnect routing options are increased.

Intel's previous generation processes have not used this feature ,and won't again at .18. I believe this is mainly due to Intel's apparent argument that the path to overall speed is through enhancements to transistor characteristics, therefore M0 is not necessary or desirable. Also, M0 may be perceived as adding cost, unnecessary complexity, and a potential yield hit, with little to offer with regard to improving interconnect effectiveness. I believe there may also be some design tricks that can help overcome comparatively reduced feature densities.

PB