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Model order-reduction of RC(L) interconnect including variational analysis

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3 Author(s)
Ying Liu ; Dept. of Electr. & Comput. Eng., Carnegie Mellon Univ., Pittsburgh, PA, USA ; Pileggi, L.T. ; Strojwas, A.J.

As interconnect feature sizes continue to scale to smaller dimensions, long interconnect can dominate the IC timing performance, but the interconnect parameter variations make it difficult to predict these dominant delay extremes. This paper presents a model order-reduction technique for RLC interconnect circuits that includes variational analysis to capture manufacturing variations. Matrix perturbation theory is combined with dominant-pole-analysis and Krylov-subspace-analysis methods to produce reduced-order models with direct inclusion of statistically independent manufacturing variations. The accuracy of the resulting variational reduced-order models is demonstrated on several industrial examples

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Design Automation Conference, 1999. Proceedings. 36th

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