Modelling multistability and hysteresis in ESD clamps, memristors and other devices

Multistability and hysteresis are widely occurring phenomena in devices, leading to many misconceptions among compact model developers. In this paper, we show how hysteretic devices can be modelled in general using only continuous/smooth primitives in a differential equation format suitable for simu...

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Bibliographic Details
Main Author: Tianshi Wang
Format: Conference Proceeding
Language:English
Subjects:
Analytical models
Electrostatic discharges
Hysteresis
Integrated circuit modeling
Magnetic hysteresis
Mathematical model
Memristors
Online Access:Request full text
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Summary:Multistability and hysteresis are widely occurring phenomena in devices, leading to many misconceptions among compact model developers. In this paper, we show how hysteretic devices can be modelled in general using only continuous/smooth primitives in a differential equation format suitable for simulation, and how the models can be implemented properly in languages like Verilog-A and ModSpec (MATLABR ® ). Apart from the generic formalism, several concrete device examples are described and analyzed, including a new compact model for ESD protection devices, new memristor models, a simplified electro-thermal model for HBTs, and a modified Stoner-Wohlfarth model for ferromagnets. Common features of these models are studied to further illustrate the modelling methodology for multistability and hysteresis in devices.
ISSN:2152-3630
DOI:10.1109/CICC.2017.7993681