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Politics : Formerly About Advanced Micro Devices
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To: Time Traveler who wrote (35177)7/29/1998 1:16:00 AM
From: Maxwell  Read Replies (1) of 1572780
 
TT:

<<<The low K is thus extremely important at all frequencies. Low K will increase the performance of all the gates in the chain.>>>

You are wrong TT. The impedance of a capacitor is 1/(j*w*C)
where w=2*Pi*frequency and C=capacitance. At high frequency the impedance between the metal lines act like a "short" and starts to crosstalk. At low frequency low K is unimportant. Even in FET the term such as Miller capacitance becomes a killer at high frequency.

Maxwell
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