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The complexity in timing optimization of high-performance microprocessors has been increasing with the number of channel-connected transistors in various paths of dynamic CMOS circuits and the rising magnitude of process variations in nanometer CMOS process. In this paper, a process variation aware transistor sizing algorithm for dynamic CMOS circuits while considering the Load Balance of Multiple Paths (LBMP) is proposed. The proposed iterative optimization algorithm is a deterministic approach and is illustrated first by a 2-b Weighted Binary-To-thermometric Converter (WBTC) and of which the critical path was optimized from an initial delay of 355 ps to an optimal delay of 157 ps, which accounts for a 55.77% delay improvement.
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