Title :
Interconnect sizing and spacing with consideration of coupling capacitance
Author :
Cong, Jason ; He, Lei ; Koh, Cheng-Kok ; Pan, Zhigang David
Author_Institution :
Dept. of Comput. Sci., California Univ., Los Angeles, CA, USA
fDate :
9/1/2001 12:00:00 AM
Abstract :
This paper studies interconnect sizing and space (ISS) problem with consideration of coupling capacitance for performance optimization of single or multiple critical nets. We introduce the formulation of symmetric and asymmetric wire sizing. We develop efficient bound computation algorithms for ISS optimization and prove their optimality under general interconnect resistance and capacitance models. Our experiments show that our algorithms are very effective and obtain significant performance improvement compared to previous wire-sizing/spacing algorithms
Keywords :
VLSI; capacitance; circuit optimisation; integrated circuit design; integrated circuit interconnections; integrated circuit modelling; ISS optimization algorithm; capacitance model; coupling capacitance; critical net; deep submicron VLSI design; interconnect sizing; interconnect spacing; resistance model; Capacitance; Circuit optimization; Delay effects; Design optimization; Helium; Integrated circuit interconnections; Lagrangian functions; Routing; Very large scale integration; Wire;
Journal_Title :
Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on