CPC G11C 29/42 (2013.01) [G11C 16/3404 (2013.01); G11C 29/12005 (2013.01); G11C 29/44 (2013.01); G11C 2029/1202 (2013.01); G11C 2029/1204 (2013.01)] | 20 Claims |
1. A device, comprising:
memory cells;
voltage drivers operable to apply voltages in a first polarity and a second polarity opposite to the first polarity; and
a controller coupled to the voltage drivers and configured to:
read the memory cells to obtain a first result via the voltage drivers applying, to the memory cells, a first voltage having a first magnitude;
check the first result for errors; and
in response to the first result being erroneous:
read the memory cells to obtain a second result via the voltage drivers applying, in the first polarity, a second voltage having a second magnitude that is greater than the first magnitude; and
adjust threshold voltages of the memory cells via the voltage drivers applying, in the second polarity, a third voltage to the memory cells.
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