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    Minimum Energy Point in Constant Frequency Designs under Adaptive Supply Voltage and Body Bias Adjustment in 55 nm DDC

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    Author
    Muller, C. T.; Pons, M.; Ruffieux, D.; Nagel, J. L.; Emery, S.; Burg, A.; et al.
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    Abstract
    In this paper, we describe a systematic low-power design methodology for technologies that offer a strong body factor. Specifically, we explore both the body bias voltage and the supply voltage knobs in order to find the MEP (minimum energy point) for a constant target frequency. Our methodology accounts for process and temperature (PT) variations while charting the design space for a simple reference design. We then show how to scale the energy data of this reference design to any arbitrary design. A case study of a 32 bit RISC microprocessor achieves an energy estimation match of our significantly less complex estimation methodology within 1% of traditional signoff results.
    Publication Reference
    2019 15th Conference on Ph.D Research in Microelectronics and Electronics (PRIME), 2019, pp. 285-288.
    Year
    2019
    URI
    https://yoda.csem.ch/handle/20.500.12839/348
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