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题名: Compact universal logic gates realized using quantization of current in nanodevices
作者: Zhang, WC;  Wu, NJ;  Yang, FH
发表日期: 2007
摘要: This paper proposes novel universal logic gates using the current quantization characteristics of nanodevices. In nanodevices like the electron waveguide (EW) and single-electron (SE) turnstile, the channel current is a staircase quantized function of its control voltage. We use this unique characteristic to compactly realize Boolean functions. First we present the concept of the periodic-threshold threshold logic gate (PTTG), and we build a compact PTTG using EW and SE turnstiles. We show that an arbitrary three-input Boolean function can be realized with a single PTTG, and an arbitrary four-input Boolean function can be realized by using two PTTGs. We then use one PTTG to build a universal programmable two-input logic gate which can be used to realize all two-input Boolean functions. We also build a programmable three-input logic gate by using one PTTG. Compared with linear threshold logic gates, with the PTTG one can build digital circuits more compactly. The proposed PTTGs are promising for future smart nanoscale digital system use.
KOS主题词: Heraldry
刊名: NANOTECHNOLOGY
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Zhang, WC ; Wu, NJ ; Yang, FH .Compact universal logic gates realized using quantization of current in nanodevices ,NANOTECHNOLOGY,2007 ,18(49): Art. No. 495201
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