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非易失性存储器件的性能、可靠性及应用

Performance, Reliability and Application of Non-Volatile Memory Devices

  • 摘要: 随着大数据和人工智能应用的发展, 数据呈现爆发式增长, 对数据存储的需求日益加剧。传统内存技术的容量已经接近其物理存储密度的极限, 而非易失性存储器具有按字节寻址、能耗低、读写速度快等优良特性, 有望替代传统的动态随机存储器或磁盘技术。然而, 该介质本身也存在一些不足, 如使用寿命有限、读写速度不对称、磨损不均衡和错误来源多样等缺点。该文通过阐述常见非易失性存储器的存储原理, 调研并总结了一些现有改进技术。

     

    Abstract: With the development of big data and artificial intelligence applications, data are growing explosively, and the demand for data storage is increasing day by day. The capacity of traditional memory technology is approaching the limit of its physical storage density. Non-volatile memory is expected to replace traditional dynamic random access memory or disk technology due to its excellent characteristics such as byte addressability, low energy consumption, and fast read and write speed. However, the storage medium itself has some shortcomings, such as limited lifetime, asymmetric read and write speed, uneven wear and various sources of errors. The storage principles of common non-volatile memories are explained, and existing improved technologies are investigated and summarized.

     

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