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Communication Dans Un Congrès Année : 2017

Capacitive adiabatic logic based on gap-closing MEMS devices

Résumé

This paper presents the energy analysis of capacitive adiabatic logic (CAL) based on gap-closing MEMS devices. CAL uses variable capacitance components instead of transistor elements to have a new balance between on-and off-state losses. Ultra-low power consumption in CAL requires an energy efficient way for charging and discharging of the variable capacitance. First, we investigate "pure" electrical model of the two-terminal variable-gap capacitor and demonstrate that any hysteresis in CV-characteristic leads to losses of the stored energy. Next, we propose the design of a four-terminal gap-closing MEMS capacitive element to implement variable capacitance element for CAL and build its Verilog-A compact model. Further, we analyze the energy transfer and losses within this device during adiabatic charging and discharging. The received results demonstrate that the variable gap devices with hysteresis have a non-adiabatic losses during operation with four-phase power clock. Finally, the cascadability of the signal throw buffer chain is presented.
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Dates et versions

hal-01887181 , version 1 (15-10-2018)

Identifiants

Citer

Philippe Basset, Ayrat Galisultanov, Yann Perrin, Hatem Samaali, Louis Hutin, et al.. Capacitive adiabatic logic based on gap-closing MEMS devices. 2017 27th International Symposium on Power and Timing Modeling, Optimization and Simulation (PATMOS), Sep 2017, Thessaloniki, France. ⟨10.1109/PATMOS.2017.8106957⟩. ⟨hal-01887181⟩
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