1. A 0.4-V 0.93-nW/kHz relaxation oscillator exploiting comparator temperature-dependent delay to achieve 94-ppm/°C stability;Jiang;IEEE J. Solid-State Circuits,2018
2. A sub-nw/khz relaxation oscillator with ratioed reference and sub-clock power gated comparator;Savanth;IEEE J. Solid-State Circuits,2019
3. A 280nw, 100khz, 1-cycle start-up time, on-chip CMOS relaxation oscillator employing a feedforward period control scheme;Tokairin,2012
4. An area-efficient, 0.022-mm2, fully integrated resistor-less relaxation oscillator for ultra-low power real-time clock applications;Asano,2017
5. A 1.6% V 124.2 pW 9.3 Hz relaxation oscillator featuring a 49.7 pW voltage and current reference generator;Wang,2017