RESTORING ECC SYNDROME IN NON-VOLATILE MEMORY DEVICES

摘要

A method of restoring an ECC syndrome in a non-volatile memory device having memory cells arranged in a plurality of sectors within a memory cell array, the method includess identifying a first sector having a page with a disabled ECC (error correction code) flag; reading the value of all data bits in the page; calculating values for ECC bits in the page; and writing the data bit values and the calculated ECC bit values to a second sector in the memory cell array.