Patent ID: 11899959
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. The method of claim 1, wherein the performing of the repair operation for repairing the defective cell with the redundancy cell through the MBIST circuit comprises:
outputting a fail flag signal indicating that the defective cell has been detected;
outputting a fail cell address of the defective cell;
repairing each of a fail row address or a fail column address included in the fail cell address with a redundancy row address or a redundancy column address in response to the fail flag signal; and
storing the fail row address, the fail column address, the redundancy row address corresponding to the fail row address, and the redundancy column address corresponding to the fail column address in an address storage table (AST).