Patent 7969788 was granted and assigned to Micron Technology on June, 2011 by the United States Patent and Trademark Office.
Methods and apparatus for compensating for charge loss in memories include tracking a specific block of the main memory array and determining charge loss compensation by comparing pre-cycled and post-cycled mean threshold voltages for the tracking block; or tracking each block of the main memory and determining charge loss and compensation on a block by block basis.