Gate Sizing for Low Power Design
Abstract
Low power design based on minimal size gate implementation induces great speed penalty. We present a new gate sizing method for improving the speed performance of static logic paths designed in submicron CMOS technologies without increasing the power dissipation obtained with a minimal surface implantation. This methodology is based on the definition of local gate sizing criterion. It has been deduced from analytical models of the output transition time and of the short circuit power dissipation which are briefly introduced. Validations are given, on a 0.18 µm process using Hspice simulations(Bsim3v3 level69).
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