Patent ID: 11935610
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. The method of claim 15, wherein designating the deactivated data memory cell as the restored data memory cell includes:
generating a repair table, the repair table including a plurality of repair table entries, each repair table entry corresponding to one deactivated data memory cell and having an address and a failure count;
in response to determining that an error table entry has a higher failure count than a repair table entry:
designating the deactivated data memory cell associated with the repair table entry as the restored data memory cell belonging to the data memory cells actively used for storing data;
designating the second data memory cell associated with the error table entry as a second deactivated data memory cell not actively used for storing data; and
updating the repair table by replacing the repair table entry with the error table entry.