An artificial neural network chip based on two-dimensional semiconductor

被引：1

作者：

Shunli Ma ^{[1
]}

Tianxiang Wu ^{[1
]}

Xinyu Chen ^{[1
]}

Yin Wang ^{[1
]}

Hongwei Tang ^{[1
]}

Yuting Yao ^{[1
]}

Yan Wang ^{[1
]}

Ziyang Zhu ^{[2
]}

Jianan Deng ^{[2
]}

Jing Wan ^{[2
]}

Ye Lu ^{[2
]}

Zhengzong Sun ^{[1
]}

Zihan Xu ^{[3
]}

Antoine Riaud ^{[1
]}

Chenjian Wu ^{[4
]}

David Wei Zhang ^{[1
]}

Yang Chai ^{[5
]}

Peng Zhou ^{[1
]}

Junyan Ren ^{[1
]}

Wenzhong Bao ^{[1
]}

机构：

[1] State Key Laboratory of ASIC and System, School of Microelectronics, Fudan University

[2] State Key Laboratory of ASIC and System, School of Information Science and Technology, Fudan University

[3] Shenzhen Sixcarbon Technology

[4] School of Electronic and Information Engineering, Soochow University

[5] Department of Applied Physics, The Hong Kong Polytechnic University

来源：

Science Bulletin | 2022年 / 67卷 / 03期

基金：

上海市自然科学基金; 中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TP183 [人工神经网络与计算]; TN40 [一般性问题];

学科分类号：

080903 ; 081104 ; 0812 ; 0835 ; 1401 ; 1405 ;

摘要：

Recently,research on two-dimensional (2D) semiconductors has begun to translate from the fundamental investigation into rudimentary functional circuits.In this work,we unveil the first functional MoS2artificial neural network (ANN) chip,including multiply-and-accumulate (MAC),memory and activation function circuits.Such MoS2ANN chip is realized through fabricating 818 field-effect transistors (FETs) on a wafer-scale and high-homogeneity MoS2film,with a gate-last process to realize top gate structured FETs.A 62-level simulation program with integrated circuit emphasis (SPICE) model is utilized to design and optimize our analog ANN circuits.To demonstrate a practical application,a tactile digit sensing recognition was demonstrated based on our ANN circuits.After training,the digit recognition rate exceeds 97%.Our work not only demonstrates the protentional of 2D semiconductors in wafer-scale integrated circuits,but also paves the way for its future application in AI computation.

引用

页码：270 / 277

页数：8

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