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EXTRACTING SELECTIVE INFORMATION FROM ON-DIE DYNAMIC RANDOM ACCESS MEMORY (DRAM) ERROR CORRECTION CODE (ECC)
EXTRACTING SELECTIVE INFORMATION FROM ON-DIE DYNAMIC RANDOM ACCESS MEMORY (DRAM) ERROR CORRECTION CODE (ECC)
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机译:从片上动态随机访问存储器(DRAM)错误更正码(ECC)中提取选择性信息
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摘要
Error correction in a memory subsystem includes a memory device generating internal check bits after performing internal error detection and correction, and providing the internal check bits to the memory controller. The memory device performs internal error detection to detect errors in read data in response to a read request from the memory controller. The memory device selectively performs internal error correction if an error is detected in the read data. The memory device generates check bits indicating an error vector for the read data after performing internal error detection and correction, and provides the check bits with the read data to the memory controller in response to the read request. The memory controller can apply the check bits for error correction external to the memory device.
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