Transmission error detector for flash memory controller
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United States of America Patent
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Jan 10, 2017
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app pub date -
Mar 15, 2012
filing date -
Nov 15, 2011
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Abstract
In one aspect, the present disclosure provides a storage device for accounting for transmission errors to improve a usable life span of memory blocks. In some embodiments, the storage device includes: a memory array including a plurality of memory blocks; and a memory controller in communication with the memory array via an interface, wherein the memory controller is configured to detect an error event associated with data from one of the plurality of memory blocks; determine an origin of the error event; increment an error count if the origin of the error event indicates a data error in the one of the plurality of memory blocks and not if the origin of the error event indicates a transmission error; compare the error count to a threshold value; and mark the one of the plurality of memory blocks as bad when the error count exceeds the threshold value.
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