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To: Paul Engel who wrote (60989)7/23/1998 12:44:00 PM
From: Adam Nash  Read Replies (1) of 186894
 

Adam - re: "several months ago IBM demonstrated a 1.1 Ghz PowerPC
technology. It was based on copper, "

Several months ago at the ISSCC, IBM demonstrated two chips. One was a 1.1 Ghz integer processor
with "only " 1 million transistors. It was fabricated with ALL ALUMINUM Interconnect.

The second processor they demoed - and gave a paper on - was a PowerPC made with 6 layers of
copper and an Leff of 0.12 microns - probably a 0.18 micron Drawn CD - as well as local
interconnect.

That PowerPC had a TOP SPEED of only 480 MHz.

Paul


Ah, I see where the confusion arose - two PPCs demoed. My mistake. That explains why the fastest copper G3s we'll see in the near term are ~400Mhz.

However, the point is that AMD promising 1Ghz in 2000 doesn't seem impressive when you realize that is on everyone's roadmap (Alpha, PPC, Intel, etc) for 2000.

- Adam
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