Adaptive Paired Page Prebackup Scheme for MLC NAND Flash Memory

@article{Lee2014AdaptivePP,
  title={Adaptive Paired Page Prebackup Scheme for MLC NAND Flash Memory},
  author={Jaeil Lee and Dongkun Shin},
  journal={IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems},
  year={2014},
  volume={33},
  pages={1110-1114}
}
Multilevel cell (MLC) NAND flash memory is more cost effective compared with single-level cell NAND flash memory as it can store two or more bits in a memory cell. However, in MLC flash memory, a programming operation can corrupt the paired page under abnormal termination. In order to solve the paired page problem, a backup scheme is generally used, which inevitably causes performance degradation and shortens the lifespan of flash memory. In this paper, we propose a more efficient paired page… CONTINUE READING

Figures, Results, and Topics from this paper.

Key Quantitative Results

  • Adaptive prebackup reduces the backup overhead by up to 78% compared with postbackup, and by up to 82% compared with prebackup.

Citations

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Improving performance and lifetime of NAND storage systems using relaxed program sequence

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SSKIP: Lifetime Aware Page Skipping for Multi-Level Cell Flash-based Solid-State Drives

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Mapping granularity adaptive FTL based on flash page re-programming

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