Transistor Sizing of Energy-Delay-Efficient Circuits

Abstract

This paper studies the problem of transistor sizing of CMOS circuits optimized for energy-delay efficiency, i.e., for optimal Et^n where E is the energy consumption and t is the delay of the circuit, while n is a fixed positive optimization index that reflects the chosen trade-off between energy and delay. We propose a set of analytical formulas that closely approximate the optimal transistor sizes. We then study an efficient iteration procedure that can further improve the original analytical solution. Based on these results, we introduce a novel transistor sizing algorithm for energy-delay efficiency.

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