Memory controller operating method and memory controller

摘要

A method of operating a memory controller includes; receiving hard decision data and first soft decision data from a non-volatile memory device, performing a first ECC decoding operation using the hard decision data and the first soft decision data: and then determining a second soft decision read voltage or reclaim operation of the non-volatile memory device based on the number of iteration operation of the first ECC (error correction code).

主权项

1. A method of operating a memory controller, the method comprising:
receiving hard decision data and first soft decision data from a non-volatile memory device; performing a plurality of iterations of a first error correction code (ECC) decoding operation using the hard decision data and the first soft decision data; and determining a second soft decision read voltage or determining to perform a reclaim operation of the non-volatile memory device based on a number of iterations, the number of iterations indicating how many iterations of the first ECC decoding operation are included in the plurality of iterations.