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Recent content by daciccad

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    determining max frequency of a inverter chain

    Hi, I have an inverter chain with 10 inverter in HSPICE format. I would to decide what's the max frequency that it can operate. Currently, I the tphl (delay of high to low) and tplh (delay of low to high), and calculate the tp=(tphl + tplh)/2. I would like to know if this is the correct way...
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    how to design a digital clock circuit

    Not quite understand your question. If you want to generate clocks in a digital system, you can you PLL (phase locked loop) Hope this help.
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    Timing Delay model in SIS tool

    Hi, I am using SIS tool ( URL is embedded.eecs.berkeley.edu/Alumni/pchong/sis.html ) but I am unable to understand how the arrrival time and required time are calculated in the tool. I believe it should not be too difficult since SIS use very simple delay model. Can anyoue who are familiar with...

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