Patent 7864587 was granted and assigned to Micron Technology on January, 2011 by the United States Patent and Trademark Office.
Methods for programming a memory array, memory devices, and memory systems are disclosed. In one such method, the target reliability of the data to be programmed is determined. The relative reliability of different groups of memory cells of the memory array is determined. The data is programmed into the group of memory cells of the array having a relative reliability corresponding to the target reliability.