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two waves for a single IBIS-SI163

MAAC

sometimes after performing si simulation i get two different plots for a single pin as shown below. wht does this signify?

  • Ejlersen

    Hi

    When you place an ibisdevice you measure both at the pin and at the die, so this is why there's 2 curves for the same signal.

    Best regards

    Ole

  • MAAC

     which is the one of pin and die..(with i=? wthout i=?)..which one do consider for the analysis..if you have guides on this kindly share!!!!

  • Dennis Nagle

    The "i" node is the internal node or the die pin. Which one to use depends on a lot of factors one of which is the accuracy of your package model.

     -Dennis

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