On the mathematical insight of moderate inversion for ultradeep submicron CMOS technologies

On the mathematical insight of moderate inversion for ultradeep submicron CMOS technologies A MOSFET operating in the moderate inversion region is important for low power applications. Though various models are available in the literature expressing the drain current characteristics for weak and strong inversion regions, the model equations for transistors operating in moderate inversion for short channel devices are absent. Moreover, the boundary conditions specifying weak, moderate and strong inversion regions are necessary to have a smooth transition from one region to another. In this paper, an $$\alpha$$ α power law based approximate model for strong, moderate and weak inversion region is proposed using mathematical series expansions. The results obtained are verified using industry standard BSIM4 and lies in between error range of 5–10 $$\%$$ % . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Computational Electronics Springer Journals

On the mathematical insight of moderate inversion for ultradeep submicron CMOS technologies

, Volume 17 (1) – Nov 16, 2017
6 pages

Publisher
Springer Journals
Subject
Engineering; Mathematical and Computational Engineering; Electrical Engineering; Theoretical, Mathematical and Computational Physics; Optical and Electronic Materials; Mechanical Engineering
ISSN
1569-8025
eISSN
1572-8137
D.O.I.
10.1007/s10825-017-1109-1
Publisher site
See Article on Publisher Site

Abstract

A MOSFET operating in the moderate inversion region is important for low power applications. Though various models are available in the literature expressing the drain current characteristics for weak and strong inversion regions, the model equations for transistors operating in moderate inversion for short channel devices are absent. Moreover, the boundary conditions specifying weak, moderate and strong inversion regions are necessary to have a smooth transition from one region to another. In this paper, an $$\alpha$$ α power law based approximate model for strong, moderate and weak inversion region is proposed using mathematical series expansions. The results obtained are verified using industry standard BSIM4 and lies in between error range of 5–10 $$\%$$ % .

Journal

Journal of Computational ElectronicsSpringer Journals

Published: Nov 16, 2017

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