Dual-switch power gating revisited for small sleep energy loss and fast wake-up time in sub-45-nm nodes

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概要

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• In this paper, we have compared three power gating (PG) schemes which are Single-Footer PG (SFPG), Charge-Recycled PG (CRPG), and Dual-Switch PG (DSPG), respectively, in terms of energy loss, crossover time, and wake-up time using the 45-nm Predictive Technology Model. Though the DSPG has been rarely used so far compared to the SFPG and CRPG, the comparison results tell us that the DSPG should be revisited. With the constraint of the same active speed, the DSPG shows higher energy-efficiency and faster wake-up than the others. Based on these results, the DSPG can be regarded as the most suitable PG scheme for reducing leakage and achieving fast wake-up in the future leakage-dominant VLSIs.

著者

• Min Kyeong-sik

  School Of Electrical Engineering Kook-min University

• Vo Huan

  School of Electrical Engineering, Kookmin University

• Jung Chul-Moon

  School of Electrical Engineering, Kookmin University

• Lee Eun-Sub

  School of Electrical Engineering, Kookmin University

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