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Journal of Semiconductors 2022年第7期43卷 8-54页

作者： Chi-Hang Chan Lin Cheng Wei Deng Peng Feng Li Geng Mo Huang Haikun Jia Lu Jie Ka-Meng Lei Xihao Liu Xun Liu Yongpan Liu Yan Lu Kaiming Nie Dongfang Pan Nan Qi Sai-Weng Sin Nan Sun Wenyu Sun Jiangtao Xu Jinshan Yue Milin Zhang Zhao Zhang University of Macao Macao 999078China University of Science and Technology of China Hefei 230026China Tsinghua University Beijing 100084China Institute of Semiconductors Chinese Academy of SciencesBeijing 100083China Xi’an Jiaotong University Xi’an 710049China Chinese University of Hong Kong Shenzhen 518172China Tianjin University Tianjin 300072China

For the non-stop demands for a better and smarter society, the number of electronic devices keeps increasing exponentially;and the computation power, communication data rate, smart sensing capability and intelligence are always not enough. Hardware supports software, while the integrated circuit(IC) is the core of hardware. In this long review paper, we summarize and discuss recent trending IC design directions and challenges, and try to give the readers big/cool pictures on each selected small/hot topics. We divide the trends into the following six categories, namely, 1) machine learning and artificial intelligence(AI) chips, 2) communication ICs, 3) data converters, 4) power converters, 5) imagers and range sensors, 6) emerging directions. Hope you find this paper useful for your future research and works.

关键词： integrated circuit design artificial intelligence(AI) radio frequency(RF)circuits data converters power management imager sensor cryogenic biomedical

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Novel Threshold-Based Standard-Cell Flash ADC

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Circuits and Systems 2012年第1期3卷 29-34页

作者： Marcel Siadjine Njinowa Hung Tien Bui Francois-Raymond Boyer Department of Applied Sciences Universite du Quebec a ChicoutimiChicoutimiCanada Department of Computer Engineering Ecole Polytechnique de MontrealMontrealCanada

This paper introduces a novel standard-cell flash architecture for implementing analog-to-digital converters (ADC). The proposed ADC consists of several CMOS inverters all having their inputs connected to a common input node. The out-put of the ADC is a thermometer code generated by the inverter outputs. Depending on the relationship between the input signal and a given inverter’s threshold voltage, the output will either be ‘0’ or ‘1’. By having many inverters with different threshold voltages, it is possible to create a 3-bit flash ADC. Even though the system is inherently non-linear, mathematical optimization has been done in order to improve its linearity. The proposed circuit dissipates 6.7 mW and uses in total 672 transistors of PMOS and NMOS types. This ADC is designed and simulated using TSMC’s 0.18 μm CMOS and results show that the proposed circuit works as expected even in presence of process variations.

关键词： Flash ADC Standard Cells data converters

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