A delay model for interconnect trees based on ABCD matrix

Authors:
Guofei Zhou;Li Su;Depeng Jin;Lieguang Zeng
Affiliations:
Tsinghua University, Beijing, China;Tsinghua University, Beijing, China;Tsinghua University, Beijing, China;Tsinghua University, Beijing, China
Venue:
Proceedings of the 2008 Asia and South Pacific Design Automation Conference
Year:
2008

Citing 3
Cited 0

Reduced Order Modeling for RLC Interconnect Tree Using Hurwitz Polynomial

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An analytical delay model for RLC interconnects

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Equivalent Elmore delay for RLC trees

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Abstract

The accuracy of interconnect delay estimations can be improved by the method presented in this paper, in which the first two moments are obtained with ABCD matrix and a stable model to incorporate effects of transport delay into the delay estimate is developed. Simulation results show that the method share the same accuracy with traditional methods when rise time delay is much longer than transport delay and more accurate when the two are of the same order.