Title :
Moment models of general transmission lines with application to interconnect analysis and optimization
Author :
Yu, Qingjian ; Kuh, Ernest S. ; Xue, Tianxiong
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA, USA
Abstract :
In this paper, we present new moment models for uniform, nonuniform and coupled transmission lines. The moment model of a line is based on the relationships between the two port currents (KCL) and the two port voltages (KVL) of the line. The parameters of the model depend on the mean values of the voltage moments and the weighted voltage moments of the line. Simple formulas are given to compute these mean values efficiently. By using such models and moment matching techniques, interconnects modeled as transmission line networks can be efficiently simulated. In addition, by using moment sensitivities, we demonstrate that wire sizing optimization can be carried out for layout design.
Keywords :
delays; integrated circuit interconnections; integrated circuit layout; method of moments; optimisation; sensitivity analysis; transmission line theory; coupled transmission lines; interconnect analysis; interconnect optimization; layout design; moment matching techniques; moment models; moment sensitivities; nonuniform lines; transmission lines; two port currents; two port voltages; uniform lines; weighted voltage moments; wire sizing optimization; Computational modeling; Couplings; Design optimization; Kirchhoff´s Law; Transmission lines; Voltage; Wire;
Journal_Title :
Very Large Scale Integration (VLSI) Systems, IEEE Transactions on
