Patent ID: 11881277
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 5:
6. An operating method of a memory device, the operating method comprising:
receiving a codeword from a memory cell array and calculating a syndrome of the received codeword;
calculating a modified syndrome using the syndrome and column data of an erasure;
determining a weight of the syndrome; and
correcting an error of the received codeword using the modified syndrome and a column index of the erasure when the weight of the syndrome is an even number, and transmitting a result of the correction to a host,
wherein the column data of the erasure is a component of an H-matrix corresponding to a position of the erasure in the received codeword, and the column index of the erasure indicates a bit position corresponding to the erasure in the received codeword.