Method for renewing data in order to increase the reliability of flash memories
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United States of America Patent
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Apr 11, 2017
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app pub date -
Sep 23, 2014
filing date -
Apr 3, 2014
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Abstract
A method renews data in a flash memory which is organized in memory units and whose memory units which have been written to are error-protected using ECC words. The memory units which have been written to are test-read in regularly activated test-reading cycles, and either individual memory units which have been written to or all memory units which have been written to are renewed on the basis of the ECC error states which have occurred in a test-reading cycle.
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