Hierarchical Power Optimization for System-on-a-Chip (SoC)through CMOS Technology Scaling
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This report describes an efficient hierarchical design and optimization approach for ultra-low power and minimum area CMOS logic circuits in a system-on-a-chip (SoC) design environment. For state of the art systems, the trade-off solutions between the conflicting design criteria (Delay, Area, and Power) should be considered. In this report, we consider interactions between abstraction levels of the design hierarchy and present techniques that co-optimize the power and the area without performance degradation through judiciously explored technology parameters: Supply voltage, Threshold voltage, and Device width. Experimental results deliver over an order of magnitude savings in power over conventional optimization methods.