Nanoscale Semiconductor Memories

10	Phase-Change Memory Cell Model and Simulation Jin He, Yujun Wei, and Mansun Chan

Contents

10.1  Introduction

10.2  Numerical Model

10.2.1  Resistance-Based Numerical Model

10.2.2  Numerical Model Based on Drift-Diffusion Theory

10.2.2.1  OTS Simulation

10.2.2.2  OMS Simulation

10.2.2.3  Summary

10.3  PCM Cell Compact/SPICE Model

10.3.1  Impedance Model

10.3.2  Temperature Distribution Model and Heat Generation Transmission Model

10.3.3  Crystallization Model

10.3.4  Memory Model

10.3.5  Model Description and Results

10.3.5.1  Temperature Model

10.3.5.2  Crystallization Model

10.3.5.3  Model Integration

10.3.5.4  Results

10.4  Reliability Model

10.4.1  Data Retention Model

10.4.2  Read and Write Reliability Model

10.4.3  Read and Write ...