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Robust and programmable Self-Timed Ring oscillators

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2 Author(s)

This paper presents the design of configurable digital oscillators based on Self-Timed Rings. The oscillation frequencies are easily programmable and the oscillation mode, which can be peculiar in such kind of oscillator, can be controlled. In addition, a method to enhance the robustness to process variability is proposed. A test chip has been designed in CMOS 130 nm technology and the experimental results validate the relevance of our approach.

Published in:

New Circuits and Systems Conference (NEWCAS), 2011 IEEE 9th International

Date of Conference:

26-29 June 2011