A 33-ppm/°C 240-nW 40-nm CMOS Wakeup Timer Based on a Bang-Bang Digital-Intensive Frequency-Locked-Loop for IoT Applications.
Ming DingZhihao ZhouStefano TraferroYao-Hong LiuChristian BachmannFabio SebastianoPublished in: IEEE Trans. Circuits Syst. I Regul. Pap. (2020)