Exploiting Dual-Gate Ambipolar CNFETs for Scalable Machine Learning Classification

Exploiting Dual-Gate Ambipolar CNFETs for Scalable Machine Learning Classification
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利用双栅极双极 CNFET 实现可扩展的机器学习分类

DOI:
10.1038/s41598-020-62718-0
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发表时间:
2020
期刊:
影响因子:
4.6
通讯作者:
Partin-Vaisband, Inna
Partin-Vaisband, Inna
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Kenarangi, Farid;Hu, Xuan;Liu, Yihan;Incorvia, Jean Anne;Friedman, Joseph S.;Partin-Vaisband, Inna

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Ambipolar carbon nanotube based field-effect transistors (AP-CNFETs) exhibit unique electrical characteristics, such as tri-state operation and bi-directionality, enabling systems with complex and reconfigurable computing. In this paper, AP-CNFETs are used to design a mixed-signal machine learning logistic regression classifier. The classifier is designed in SPICE with feature size of 15 nm and operates at 250 MHz. The system is demonstrated in SPICE based on MNIST digit dataset, yielding 90% accuracy and no accuracy degradation as compared with the classification of this dataset in Python. The system also exhibits lower power consumption and smaller physical size as compared with the state-of-the-art CMOS and memristor based mixed-signal classifiers.
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