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Aparicio, HernanAutor (correspondència)Ituero, PAutor o coautorLopez-Vallejo, MAutor o coautor

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2.64 pJ Reference-Free Power Supply Monitor with a Wide Temperature Range

Publicat a:Proceedings 2015 6th International Workshop On Cmos Variability (Vari). 9-12 - 2016-04-19 (), DOI: 10.1109/VARI.2015.7456555

Autors: Aparicio, Hernan; Aparicio, H; Ituero, P; Ituero, Pablo; López-Vallejo, M; Lopez-Vallejo, Marisa

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Power supply noise in current nanometer technologies represents a growing risk, specially because of the uncertainties it produces in the critical paths delays which can result in erroneous computations. To tackle with these issues and to have a better power management, power supply monitors are necessary. Traditional approaches use an external reference or are very sensitive to temperature and process variations. In this work we propose a monitor that works without an external reference and is hardened against thermal and process variations. The sensor was designed in the 40 nm CMOS technology node, operating at 1.1 V and has been validated for a temperature range of -40 degrees C to 125 degrees C covering all process corners. The sensor is able to detect voltage fluctuations of at least 45 mV, wider than 300 ps in the worst technology corner with a maximum latency of 600 ps and an energy consumption per measurement of 2.64 pJ.

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