1. ASIC and System State Key Lab.School of MicroelectronicsFudan University Shanghai 200433 China
2. National Laboratory of Solid State MicrostructuresSchool of Electronic and Engineering, and Collaborate Innovation Center of Advanced MicrostructuresNanjing University Nanjing 210093 China
3. Laboratory of Advanced MaterialsFudan University Shanghai 200438 China
4. Giantec Semiconductor Inc Shanghai 201203 China