1. Beijing National Research Center for Information Science and Technology, School of Integrated Circuits, and the Beijing Advanced Innovation Center, Tsinghua University, Beijing, China
2. National ASIC System Engineering Research Center, School of Electronic Science and Engineering, Southeast University, Nanjing, China
3. Department of Electrical Engineering, National Tsing Hua University (NTHU), Hsinchu, Taiwan
4. Institute of Integrated Circuits and Systems, University of Electronic Science and Technology of China (UESTC), Chengdu, China