IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems

Power distribution analysis of VLSI interconnects using model order reduction

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The analysis and simulation of effects Induced by interconnects become increasingly important as the scale of process technologies steadily shrinks. While most analyses focus on the timing aspects of Interconnects, power consumption is also important. In this paper, the power distribution analysis of interconnects is studied using a reduced order model. The relation between power consumption and the poles and residues of a transfer function (either exact or approximated) is derived, and a simple yet accurate driver model is developed, allowing power consumption to be computed efficiently. Application of the proposed method to RC networks is demonstrated using a prototype tool.