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To: Paul Engel who wrote (55799)5/19/1998 3:38:00 PM
From: Yousef  Read Replies (2) of 186894
 
Paul,

Re: "Yousef - Here is another 0.25 micron/266 MHz Technology to analyze from IDTI."

I went to the Winchip web page and look what I found -->

winchip.com

"The IDT WinChip 2 and WinChip 2 3D will be produced using both 0.35 and
0.25-micron process technology, which enables high-volume manufacturing of
processors to supply a broader base of users. IDT is an industry leader in
0.25-micron process technology and will be producing all of its IDT WinChip
microprocessors using this process by the end of 1998.

To meet demand, IDT is ramping 8-inch wafer production at its Oregon facility
and has signed a foundry agreement with IBM, who will use its 0. 25-micron,
2.5-volt IBM Blue LogicT technology to manufacture IDT WinChip 2
microprocessors."

The answer is that IDT is using an IBM .25um process that has a 2.5V
operating supply voltage. This means that the gate oxide is thicker, gate
lengths are longer and performance is lower as compared to Intel's .25um
process (which runs at 1.8V). This is NOT IBM's most advanced ASIC process ... but
I guess that this is all IDT can afford. <ggg> BTW, this IBM process is
more comparable to Intel's .35um process in performance.

Make It So,
Yousef

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