Electronic circuit simulation method with adaptive iteration

摘要

In accordance with an exemplary simulation technique, an improved selective application of Newton-Raphson iterations can improve accuracy while ensuring good performance. In this method, selectively applying Newton-Raphson iteration in a simulation of a unit of the integrated circuit design can include determining second order effects to define a linearity value. Newton-Raphson iteration is performed when the linearity value is less than a linearity threshold and convergence of the simulation is not achieved.

主权项

1. A method of simulating an integrated circuit design, the method comprising:
using a computer, selectively applying a Newton-Raphson iteration in a simulation of a unit of the integrated circuit design, wherein the step of selectively applying includes determining second order effects to define a linearity value, and wherein the Newton-Raphson iteration is performed when the linearity value is greater than a linearity threshold and convergence of the simulation is not achieved.