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DPA: A data pattern aware error prevention technique for NAND flash lifetime extension

Publication ,  Conference
Guo, J; Chen, Z; Wang, D; Shao, Z; Chen, Y
Published in: Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC
March 27, 2014

The recent research reveals that the bit error rate of a NAND flash cell is highly dependent on the stored data patterns. In this work, we propose Data Pattern Aware (DPA) error protection technique to extend the lifespan of NAND flash based storage systems (NFSS). DPA manipulates the ratio of 1's and 0's in the stored data to minimize occurrence of the data patterns which are susceptible to bit error noise. Consequently, the NAND flash cell bit error rate is reduced, leading to system endurance extension. Our simulation result shows that, with marginal hardware and power overhead, DPA scheme can increase the NFSS lifetime by up to 4×, offering a complementing solution to other lifetime enhancement techniques like wear-leveling. © 2014 IEEE.

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Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC

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March 27, 2014

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592 / 597
 

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Guo, J., Chen, Z., Wang, D., Shao, Z., & Chen, Y. (2014). DPA: A data pattern aware error prevention technique for NAND flash lifetime extension. In Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC (pp. 592–597). https://doi.org/10.1109/ASPDAC.2014.6742955
Guo, J., Z. Chen, D. Wang, Z. Shao, and Y. Chen. “DPA: A data pattern aware error prevention technique for NAND flash lifetime extension.” In Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC, 592–97, 2014. https://doi.org/10.1109/ASPDAC.2014.6742955.
Guo J, Chen Z, Wang D, Shao Z, Chen Y. DPA: A data pattern aware error prevention technique for NAND flash lifetime extension. In: Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. 2014. p. 592–7.
Guo, J., et al. “DPA: A data pattern aware error prevention technique for NAND flash lifetime extension.” Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC, 2014, pp. 592–97. Scopus, doi:10.1109/ASPDAC.2014.6742955.
Guo J, Chen Z, Wang D, Shao Z, Chen Y. DPA: A data pattern aware error prevention technique for NAND flash lifetime extension. Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. 2014. p. 592–597.

Published In

Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC

DOI

Publication Date

March 27, 2014

Start / End Page

592 / 597