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Multi-Level Cell Programming Using Optimized Multiphase Mapping With Balanced Gray Code
Multi-Level Cell Programming Using Optimized Multiphase Mapping With Balanced Gray Code
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机译:使用优化的多相映射和平衡格雷码进行多级单元编程
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摘要
Disclosed are systems and methods for providing programming of multi-level memory cells using an optimized multiphase mapping with a balanced Gray code. A method includes programming, in a first phase, a first portion of data into memory cells in a first-level cell mode. The method may also include reading, from the memory cells, the programmed first portion of the data. The method may also include programming, in a second phase, a second portion of the data into the memory cells in a second-level cell mode, wherein programming the second phase is based on applying, to the read first portion of the data, a mapping from the first-level cell mode to the second-level cell mode. The mapping may be selected based on minimizing an average voltage change of the memory cells from the first to second phase while maintaining a balanced Gray code.
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