Erased Page Confirmation in Multilevel Memory
In a multi-level cell memory array, a flag that indicates that a logical page is unwritten is subject to a two-step verification. In a first verification step, the logical page is read, and ECC decoding is applied. If the first verification step indicates that the logical page is unwritten, then a s...
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| Format | Patent |
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| Language | English |
| Published |
04.03.2013
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| Online Access | Get full text |
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| Summary: | In a multi-level cell memory array, a flag that indicates that a logical page is unwritten is subject to a two-step verification. In a first verification step, the logical page is read, and ECC decoding is applied. If the first verification step indicates that the logical page is unwritten, then a second verification step counts the number of cells that are not in an unwritten condition. |
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