DATA STORAGE DEVICE AND OPERATING METHOD THEREOF
First Claim
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1. A data storage device comprising:
- a nonvolatile memory apparatus including a plurality of pages coupled to a single word line; and
a controller suitable for accessing the nonvolatile memory apparatus during one of first and second modes,wherein the second mode is enabled when the nonvolatile memory apparatus has reached a lifetime limit, andwherein the controller stores the same data in both of a source page and a dummy page during the second mode.
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Abstract
A data storage device includes a nonvolatile memory apparatus including a plurality of pages coupled to a single word line; and a controller suitable for accessing the nonvolatile memory apparatus during one of first and second modes, wherein, the second mode is enabled when the nonvolatile memory apparatus has reached a lifetime limit, and wherein the controller stores the same data in both of a source page and a dummy page during the second mode.
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19 Claims
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1. A data storage device comprising:
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a nonvolatile memory apparatus including a plurality of pages coupled to a single word line; and a controller suitable for accessing the nonvolatile memory apparatus during one of first and second modes, wherein the second mode is enabled when the nonvolatile memory apparatus has reached a lifetime limit, and wherein the controller stores the same data in both of a source page and a dummy page during the second mode. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An operating method for a data storage device including a nonvolatile memory apparatus which includes a plurality of pages coupled to a single word line, the operating method comprising:
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storing data in the plurality of pages during a first mode; enabling a second mode by detecting that the nonvolatile memory apparatus has reached a lifetime limit; and storing data in the plurality of pages during the second mode, wherein the storing of the data in the plurality of pages during the second mode comprises storing the same data in both of a source page and a dummy page. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A data storage device comprising:
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a nonvolatile memory apparatus including a plurality of pages coupled to a single word line; and a controller suitable for accessing the nonvolatile memory apparatus during one of first and second modes, wherein a number of threshold voltage distributions of memory cells during the second mode is less than that during the first mode. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification