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Published on Sep 16, 2019


The development of digital integrated circuits is challenged by higher power consumption. The combination of higher clock speeds, greater functional integration, and smaller process geometries has contributed to significant growth in power density. Scaling improves transistor density and functionality on a chip.

Scaling helps to increase speed and frequency of operation and hence higher performance. As voltages scale downward with the geometries threshold voltages must also decrease to gain the performance advantages of the new technology but leakage current increases exponentially.

Today leakage power has become an increasingly important issue in processor hardware and software design. In 65 nm and below technologies, leakage accounts for 30-40% of processor power.

In this paper, we propose a new dual stack approach for reducing both leakage and dynamic powers. Moreover, the novel dual stack approach shows the least speed power product when compared to the existing methods




Simulation: ModelSim XE III 6.4b.

Synthesis: XiLinx ISE 10.1.

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