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Politics : Formerly About Advanced Micro Devices
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To: Pravin Kamdar who wrote (35236)7/29/1998 10:50:00 PM
From: Time Traveler  Read Replies (1) of 1584206
 
I strongly disagree with Motorola's Venkatesan on "the most important capacitance is between metal lines on the same layers". This is cross-talk. It can be reduced with proper lay-out. The most important capacitance is still caused by the channel. One of the capacitances is mentioned by our Maxwell, the Miller Capacitance. Ask Maxwell. He knows.

Venkatesan also went on to say "if you use copper as the trace, it has about 30 percent less resistivity than aluminum, so you can make it 30 percent thinner". Just how would 30 percent thinner metal trace be of any benefit? Does it make the die size smaller? I don't think so.

Time Traveler
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