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Multi-story power delivery for supply noise reduction and low voltage operation

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2 Author(s)
Jie Gu ; Minnesota Univ., Minneapolis, MN, USA ; Kim, C.H.

This paper presents a multi-story power delivery scheme which shows significant reduction of supply noise and power consumption compared to conventional power delivery scheme. To maximize the effectiveness of the proposed scheme, a digital voltage regulator is designed to balance the current dissipation of circuits in different voltage domains. Data transfer circuits based on capacitive coupling are developed for efficient inter-story data communication. Simulation results show 66% and 67% reduction of IR noise and Ldi/dt noise, respectively, while the total power consumption was reduced by 5% compared to a conventional power delivery scheme.

Published in:

Low Power Electronics and Design, 2005. ISLPED '05. Proceedings of the 2005 International Symposium on

Date of Conference:

8-10 Aug. 2005