Abstracts

Gael Pillonnet
CEA-Leti


Capacitive Adiabatic Logic: a new paradigm for low-power computation

Existing hardware implementation such as field effect, single-electron transistors, MEMS relays, offer energy consumption for logic operation orders of magnitude higher than Landauer limit.
This paper introduces a new paradigm based on the combination of adiabatic operation and contact less mechanical elements. The principle relies on a variable capacitances which form modulated capacitor divider. By smoothing the transition to switch between logic states, the proposed logic scheme achieves a quasi zero-power logic dissipation without any non-adiabatic part. This method break the inherent trade-off between leakage and switching losses by using metal-metal junctions instead of semiconductor counterpart.
This proposal relies on contact-less mechanical operation to avoid any reliability problem well-known in MEMS relays.




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