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PI Z impedance target and frequency

Question asked by fab on Oct 9, 2018
Latest reply on Oct 15, 2018 by weston_beal


I am trying to learn how to use hyperlynx PI and I can not understand how the frequency span to meet Z target is assumed ? I watched a video from Mentor stating till 300MHz above that frequency the IC modeling takes the effect.

These days Microprocessors with PLL can operate in a very wide frequency range, so how do we know above 300MHz is nothing wrong specifically when the processor is working at high frequency ?