Interconnect Energy Dissipation in High-Speed ULSI Circuits

Authors:
Payam Heydari;Massoud Pedram
Affiliations:
Department of Electrical and Computer Engineering, University of California, Irvine, CA;Department of Electrical Engineering-Systems, University of Southern California, Los Angeles, CA
Venue:
ASP-DAC '02 Proceedings of the 2002 Asia and South Pacific Design Automation Conference
Year:
2002

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Abstract

This work presents accurate closed-form expressions for the interconnect energy dissipation in high-speed ULSI circuits. Unlike previous works, the energy is calculated using an approximated expression for the driving-point impedance of lossy coupled transmission lines which itself is derived by solving Telegrapher's equations. The effect of electromagnetic (inductive and capacitive) couplings on the energy dissipation is accounted for in the derivations. We synthesize a new stable circuit that is capable of modeling the transmission line for a broad range of frequencies. Experimental results show that the energy calculated using this equivalent circuit is almost equal to the one calculated by solving the more complicated transmission line equations directly.