Efficient readout schemes for analog memory cell devices using multiple read threshold sets
US8174857B1 · kind B1 · utility
16Cited by
347References
14Claims
0Family size
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Key dates
| Filing date | Dec 30, 2009 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Apr 24, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/5642
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for data readout includes storing two or more candidate sets of read thresholds for reading from a memory device that includes a plurality of analog memory cells. A group of the memory cells from which data is to be read is identified. An order is defined among the candidate sets of the read thresholds responsively to a criterion defined over the group of the memory cells. Data readout from the group of the memory cells is attempted by iterating over the candidate sets according to the order, until the data is read successfully.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.