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A simple form of a SPICE macro model for a generic phase-change random access memory device is presented. The approach is based upon lumped parameter multiple level models. The SPICE implementation is described using a series of increasingly complex modeling blocks for dc to transient analysis. The effect of nonlinear phase switching during the programming cycle is demonstrated in a SPICE simulation and compared to experimental data.
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Cobley et al. (2005) studied this question.
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