[Duan, Xiaoyue] Univ South China, Sch Elect Engn, Sci & Technol Reliabil Phys & Applicat Elect Comp, Hengyang, Peoples R China.^[Li, Pinbo;He, Liang;Shi, Yijun;Chen, Xinghuan;Ni, Yiqiang;Chen, Yiqiang] Sci & Technol Reliabil Phys & Applicat Elect Comp, Guangzhou, Peoples R China.^[Liu, Jun] Univ South China, Sch Elect Engn, Hengyang, Peoples R China.^[He, Zhiyuan] Guangdong Univ Technol, Sch Integrated Circuits, Guangzhou, Peoples R China.