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

To: kash johal who wrote (68747)8/13/1999 4:12:00 PM
From: Charles R  Read Replies (1) | Respond to of 1572711
 
Kash,

<1. The likely speed increase from the 0.18 micron back-end will be negligible at best. >

I would expect routing delays to drop substantially when the die size goes from 184 mm2 to 104 mm2 and I would also expect the clock skews to become tighter but I have no idea of what the percentage of clock goes into gates/routing/skew for this class of processors. May be Scumbria can comment.

<So if they are yielding 700's now they may get to 800Mhz but 1Ghz is a way away.>

Apparently they are yielding 750s with 0.25 for almost 2 months now (I wouldn't care to speculate on yields) and future speed path work should yield something.

Chuck



To: kash johal who wrote (68747)8/13/1999 10:19:00 PM
From: grok  Respond to of 1572711
 
RE: <1. The likely speed increase from the 0.18 micron back-end will be negligible at best. So if they are yielding 700's now they may get to 800Mhz but 1Ghz is a way away.
2. With copper they may well get some yield at 1Ghz. But unlikely with 0.18 Al.>

No way is copper going to add 200 Mhz if all else is equal. More like 50 MHz.


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