1. Key Laboratory of Microelectronic Devices and Circuits (MOE) School of Integrated Circuits Peking University Beijing 100871 China
2. Shanghai Key Laboratory of Nanofabrication Technology for Memory Shanghai Institute of Micro‐system and Information Technology Chinese Academy of Sciences Shanghai 200050 China
3. Center for Brain Inspired Chips Institute for Artificial Intelligence Peking University Beijing 100871 China
4. Center for Brain Inspired Intelligence Chinese Institute for Brain Research (CIBR), Beijing Beijing 102206 China