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Method and system for ceasing access to memory cells of flash memory when less than a maximum number of correctable errors for an error correction code exists
Method and system for ceasing access to memory cells of flash memory when less than a maximum number of correctable errors for an error correction code exists
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机译:当存在小于纠错码的最大可纠正错误数时,停止访问闪存存储器的方法和系统
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摘要
A system includes a flash memory, an encoder, a first interface, a decoder and a controller. The encoder is configured to (i) receive data, and (ii) encode the data based on an error correction code. The first interface is configured to (i) write the encoded data to a memory cells in the flash memory, and (ii) read the encoded data back from the memory cells. The decoder is configured to (i) decode the encoded data read back from the memory cells, and (ii) based on the decoded data, determine a number of decoding errors for the plurality of memory cells. The controller is configured to, in response to the number of decoding errors being greater than or equal to a first threshold, cease accessing the memory cells. The first threshold is less than a maximum number of errors correctable by the error correction code for the memory cells.
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