NON-VOLATILE MEMORY DEVICE AND CONTROL METHOD THEREOF
First Claim
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1. A non-volatile memory device, comprising:
- a non-volatile memory comprising a plurality of closed blocks and a plurality of open blocks; and
a controller deriving a ratio value according to a write workload of the non-volatile memory between a first time point and a second time point and performing a patrol read on a portion of the closed blocks according to the ratio value.
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Abstract
A non-volatile memory device including a non-volatile memory and a controller is provided. The non-volatile memory includes a plurality of closed blocks and a plurality of open blocks. The controller derives a ratio value according to the write workload of the non-volatile memory between a first time point and a second time point and then performs a patrol read on a portion of the closed blocks according to the ratio value.
5 Citations
20 Claims
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1. A non-volatile memory device, comprising:
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a non-volatile memory comprising a plurality of closed blocks and a plurality of open blocks; and a controller deriving a ratio value according to a write workload of the non-volatile memory between a first time point and a second time point and performing a patrol read on a portion of the closed blocks according to the ratio value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A control method applied to a non-volatile memory comprising a plurality of closed blocks and a plurality of open blocks, comprising:
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deriving a ratio value according to a write workload of the non-volatile memory between a first time point and a second point; and performing a patrol read on a portion of the closed blocks according to the ratio value. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification