1. Microelectronics Department, State Key Laboratory of ASIC & System, Fudan University, Shanghai, China
2. Microelectronics Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China
3. Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, SAR, China
4. Department of Electrical Engineering, The University of Texas at Dallas, Richardson, TX, USA