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This paper presents an area-efficient BCH codec with echelon scheduling for NAND flash memory systems. In our proposed design, instead of the common inversionless Berlekamp-Massey algorithm, the BM algorithm using a low-complexity 2-stage composite field divider is applied in the key equation solver. Moreover, by making use of the fact that the degree of error locator polynomial increases at most...
A double error correcting (DEC) BCH codec is designed for NOR flash memory systems to improve reliability. Due to the latency constraint less than 10 ns, the fully parallel architecture with huge hardware cost is utilized to process both the encoding and decoding scheme within one clock cycle. Notice that encoder and decoder will not be activated simultaneously in NOR flash applications, so we combine...
According to large-page-size and random-bit-error characteristics, long-block-length Bose–Chaudhuri–Hochquenghem (BCH) decoders are applied to realize error correction in nand Flash memory devices. To accelerate the decoding process in an area-efficient architecture, a parallel architecture with minimal polynomial combinational network (MPCN) for long BCH decoders is presented in this brief. The proposed...
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