Abstract
I/O behavioral modeling in the form of IBIS models has gained wide acceptance in signal integrity analysis. While the IBIS model accurately represents the characteristics of the output pin at three fixed process corners, it does not model driver delay or account for variations in temperature, supply voltages, and input transition rate. In this paper, we present a behavioral modeling technique that captures driver delay for timing analysis, driver output characteristics for signal integrity, and pre-drive currents for noise and power grid analysis; all are functions of temperature, supply voltages, and input transition rate.
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