Patent ID: 11875863
Assignee: SK HYNIX INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 8:
9. A method of operating a memory device, the memory device with a plurality of memory cells that are coupled to a plurality of word lines, the method comprising:
applying an operating voltage to a selected word line coupled to memory cells that are selected from among the plurality of memory cells;
determining whether the operating voltage is lower than or equal to a reference voltage;
when the operating voltage is lower than or equal to the reference voltage, applying a first pass voltage to target word lines adjacent to the selected word line among unselected word lines, and a second pass voltage, having a lower level than the first pass voltage, to remaining unselected word lines, other than the target word lines, among the unselected word lines; and
when the operating voltage is higher than the reference voltage, applying the second pass voltage to all of the unselected word lines, among the plurality of word lines.