Samira Zali Asl James C. Salvia Ginel C. Hill Lijun Will Chen Kimo Joo Rajkumar Palwai Niveditha Arumugam Meghan Phadke Shouvik Mukherjee Haechang Lee Charles Grosjean Paul M. Hagelin Sudhakar Pamarti Terri S. Fiez Kofi A. A. Makinwa Aaron Partridge Vinod Menon A 3 ppm 1.5 × 0.8 mm 2 1.0 µA 32.768 kHz MEMS-Based Oscillator. 291-302 2015 50 IEEE J. Solid State Circuits 1 https://doi.org/10.1109/JSSC.2014.2360377 db/journals/jssc/jssc50.html#AslSHCJPAPMLGHPFMPM15