David Ruffieux, Aurélie Pezous, Anne-Claire Pliska, François Krummenacher. Silicon-resonator-based, 3µA real-time clock with ±5ppm frequency accuracy. In IEEE International Solid-State Circuits Conference, ISSCC 2009, Digest of Technical Papers, San Francisco, CA, USA, 8-12 February, 2009. pages 210-211, IEEE, 2009. [doi]
Abstract is missing.