A physical based analytic model of RRAM operation for circuit simulation

P. Huang, X. Liu, W. H. Li, Y. X. Deng, B. Chen, Y. Lu, B. Gao, L. Zeng, K. Wei, G. Du, X. Zhang, J. Kang
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引用次数: 44

Abstract

A physical based analytic model of metal oxide based RRAM cell under DC and pulse operation modes is presented. In this model, the transport behaviors of oxygen vacancies and oxygen ions, metal conductivity, electron hopping and heat conduction and the parasitic capacitance and resistance effects are covered. The developed analytic model is verified and calibrated by measured data. Furthermore, we implement the analytic model in a 2×2 RRAM array simulation and investigate the reliability of RRAM array for the first time.
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用于电路仿真的基于物理的RRAM运行分析模型
提出了直流和脉冲两种工作模式下金属氧化物RRAM电池的物理分析模型。该模型涵盖了氧空位和氧离子的输运行为、金属电导率、电子跳变和热传导以及寄生电容和电阻效应。用实测数据对所建立的分析模型进行了验证和校正。此外,我们在2×2 RRAM阵列仿真中实现了分析模型,并首次对RRAM阵列的可靠性进行了研究。
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