1. School of Micro-Nano Electronics, Zhejiang University,Hangzhou,China,310000
2. School of Microelectronics, Xidian University,Xi'an,China,710071
3. Research Center for Intelligent Chips and Devices,Zhejiang Lab,Hangzhou,China,311121
4. Zhejiang ICsprout Semiconductor,Hangzhou,China,311200