Storage device and method for operating the same
AssigneeSK hynix Inc.
InventorBeom Ju Shin
Life of this patent
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Abstract
A storage device may perform a reprogram operation on a page on which a program operation is interrupted due to a sudden power off. The storage device may include a memory device including a plurality of memory blocks, each of which includes a plurality of pages, and a memory controller configured to perform a reprogram operation on a page in which a program operation is suspended using reprogram data that is set depending on threshold voltages of memory cells included in the page on which the program operation is interrupted, among the plurality of pages.
Claims20
A storage device, comprising:
- a memory device including a plurality of memory blocks, each of which includes a plurality of pages;
- and
- a memory controller configured to perform a reprogram operation on a page on which a program operation is interrupted using reprogram data that is set depending on threshold voltages of memory cells included in the page on which the program operation is interrupted, among the plurality of pages,
- wherein the program operation which is interrupted and the reprogram operation are performed on the same page.
A method for operating a storage device, the storage device including a memory device having a plurality of memory blocks, each of which includes a plurality of pages, and a memory controller for controlling the memory device, the method comprising:
- performing a read operation on a page on which a program operation is interrupted, among the plurality of pages, using a default read voltage;
- and
- performing a read operation using any one of a lower read voltage and an upper read voltage based on a result of the read operation using the default read voltage, and performing a reprogram operation based on a result of the read operation, wherein the lower read voltage has a voltage level lower than that of the default read voltage and the upper read voltage has a voltage level higher than that of the default read voltage.
A storage device, comprising:
- a memory device configured to perform a program operation of storing program data in a page selected from among a plurality of pages;
- and
- a memory controller configured to, when the program operation is interrupted due to a sudden power off, control the memory device such that any one of garbage data, the program data, and modified program data in which part of the program data is modified is stored in the selected page based on a result of reading the selected page using at least two of a default read voltage, a lower read voltage having a voltage level lower than that of the default read voltage, and an upper read voltage having a voltage level higher than that of the default read voltage.
Dependencies are inferred from the claim text.