Patent ID: 11923022
Assignee: SK HYNIX INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. An operating method for a controller, the operating method comprising:
when a programmed and weak region exists, putting into a scan list on the basis of a weak list, a programmed and weak sub-region included in the programmed and weak region among a plurality of regions arranged along a first axis and a second axis orthogonal to each other, each of the plurality of regions belonging to one of first groups and one of second groups, each of the first groups including regions arranged side by side in a direction of the first axis, each of the second groups including regions arranged side by side in a direction of the second axis;
putting into the scan list, a first programmed and adjacent sub-region in a first programmed and adjacent region selected according to a second axis expansion order among the plurality of regions; and
putting into the scan list, a second programmed and adjacent sub-region in a second programmed and adjacent region selected according to a first axis expansion order among the plurality of regions.