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Paragraph Number

6

Thresholds or other configuration parameters for a storage cell, however, can shift over time. For example, storage cell damage, storage cell leakage, temperature, and other disturbances to storage cells can alter thresholds for storage cells, making different configuration parameters more optimal for the storage cells. The rate of leakage and other disturbances can also increase with age as storage cells are used over time. If the read voltage level or other configuration parameter of a storage cell shifts past a threshold for the storage cell, a data error occurs, as the value of the data read from the storage cell is different than the value of the data written to the storage cell.

Added by DJM 3 2021