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US 2014/0112069 A1Published application
Data writing method and data storage device
AssigneeSilicon Motion, Inc.
InventorCheng-Wei LIN
Life of this patent
Estimating the term…
Abstract
The invention provides a data writing method and device for a flash memory. According to the method, the flash memory obtains write data to be written to the flash memory, directs the flash memory to write a data page of the write data to a strong page of a target pair page of a target block, and directs the flash memory to write first predetermined data to a weak page of the target pair page for extending the data duration of the strong page of the target pair page.
Claims16
A data writing method for a flash memory, comprising:
- obtaining write data to be written to the flash memory;
- directing the flash memory to write a data page of the write data to a strong page of a target pair page of a target block;
- and
- directing the flash memory to write first predetermined data to a weak page of the target pair page for extending the data duration of the strong page of the target pair page.
1 more element
A data storage device, comprising:
- a flash memory, comprising a plurality of blocks, wherein each of the blocks comprises a plurality of pair pages, and each of the pair pages comprises a strong page and a weak page;
- and
- a controller, coupled to the flash memory, and being configured to write user data or system data to the strong pages of a target block of the blocks, and write first predetermined data to the weak pages of the target block,
- wherein the weak pages storing the first predetermined data extends the data duration of the corresponding strong pages.
1 more element
A data storage device, comprising:
- a flash memory, comprising a plurality of blocks, wherein each of the blocks comprises a plurality of pair pages;
- wherein a strong page of a target pair page of the pair pages stores a data page of user data or system data, a weak page of the target pair page stores first predetermined data, and the weak page storing the first predetermined data extends the data duration of the strong page of the target pair page.
Dependencies are inferred from the claim text.