Read Disturb of NAND Flash Failure | Flash Read Disturb |

Arranged according to public knowledge and experience, original protection, reprinting is prohibited . Column " In-depth Understanding of Flash: Features and Practices of Flash Memory "

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Vt Distribution Widen and Shift Right: Read Disturb 

Image source: Zhihu, literature [6]

The full text  is 3400 words, the main content

Cause

    NAND Read Principle Review

    The cause of read disturbance

Effect of read disturbance

    Effect of Read Disturb on Voltage Threshold Distribution

    Impact of read disturbance on RBER

    Edge WL

    Read the effect of specifying WL

How to Reduce the Effect of Read Disturbance


The goal of this article is to understand NAND Read Disturb, so as to remember what the impact is. The goal is to distinguish between abnormal voltage thresholds, to preliminarily check whether Read Disturb is present, and to further provide solutions to solve the impact of read disturbance.


Flash failure score

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Origin blog.csdn.net/vagrant0407/article/details/132123081