Controller, a method of operating the controller and a memory system

摘要

The present disclosure provides a controller which comprises a command generator configured to generate a command to non volatile memory, and buffer configured to receive a first data and a second data and configured to combine the first data and the second data, an ECC unit configured to perform the ECC decoding. And the first page data may include at least one error bit corresponding to an error location table and the second page data may include at least one original bit which can be replaced with the error bit. The buffer may replace the at least one error bit with the said at least one original bit. The error location table may save information of location for the repeated error bit.

主权项

1. A method for operating a controller which controls nonvolatile memory comprising:
applying a read command to non-volatile memory; receiving, from the non-volatile memory, first page data read from a first page of the non-volatile memory and second page data read from a second page of the non-volatile memory in response to the read command, the second page data including original data and an error location table including error location information corresponding to the first page data; and combining the first page data and at least a portion of the original data based on the error location information, wherein the first page data includes at least one error bit corresponding to a location in the error location information, and the second page data includes at least one original bit corresponding to the at least one error bit.