1. Department of Micro–Nano Electronics, Shanghai Jiao Tong University, Shanghai, China
2. Shanghai X-Ring Technology Company Ltd., Shanghai, China
3. State Key Laboratory of ASIC and Systems, Fudan University, Shanghai, China
4. State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Macau, China
5. Department of EECS, York University, Toronto, Canada