Asynchronous Circuit Design for Low Power and Low Electro-magnetic Emission

Asynchronous circuits are very robust with respect to process, temperature and voltage variations, can self-adapt to dynamic voltage scaling, and spread supply current absorption over time, thus reducing the emitted energy peaks. Past work by the group focused on several aspects: easy design of asynchronous circuits, starting from legacy RTL or gate-level synchronous designs and based on the desynchronization flow, and use of asynchronous circuits to reduce electro-magnetic interference. On this second aspect theoretical research is supported by experimental measurements on real circuits. Current research focuses on the implementation of circuits that operate better than worst case and that are robust with respect to Single-Event Upsets, by exploiting Razor-like techniques for near-critical clocking and identification of setup/hold violations, but addressing the fundamental problem of robustness with respect to meta-stability.

On this topic the members of the group published a number of 14 articles in international reviews and 25 papers have been presented in various conferences.

Research groups

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