A 3 ppm 1.5 × 0.8 mm 2 1.0 µA 32.768 kHz MEMS-Based Oscillator.
Samira Zali AslJames C. SalviaGinel C. HillLijun Will ChenKimo JooRajkumar PalwaiNiveditha ArumugamMeghan PhadkeShouvik MukherjeeHaechang LeeCharles GrosjeanPaul M. HagelinSudhakar PamartiTerri S. FiezKofi A. A. MakinwaAaron PartridgeVinod MenonPublished in: IEEE J. Solid State Circuits (2015)