A Compact SPICE Model of Unipolar Memristive Devices

This paper introduces a compact SPICE model of unipolar memristive devices. The model is based on the unipolar memristive system equations with the assistance of two resistance switching velocity functions for controlling the SET and RESET processes, respectively. Our model is highly parameterized by providing various adjustable model parameters. We verify the functionality of our model by the HSPICE simulation with parameters abstracted from a real device and a previous model. As an example of model application, we successfully use the model to simulate the stateful logic operations of the memristive implication gate circuit. Compared with previous models, the proposed model is of good efficiency, accuracy, and usability.

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