Jhih-Wei Li

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In this paper, a 5MHz all-digital on-chip silicon oscillator is presented. The proposed on-chip oscillator uses a voltage and temperature classifier with the proposed linear calculator to compensate for voltage and temperature variations at chip run time. The maximum frequency errors with temperature and voltage variations are 0.21% and 0.97%, respectively.(More)
In this paper, an all-digital on-chip abnormal temperature warning sensor (ATWS) which can tolerate process and voltage variations after four-point calibration is presented. The proposed ATWS uses the delay ratios among three ring oscillators to build up a relative reference modeling (RRM) temperature sensor. Then the process variations can be eliminated(More)
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