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The evaluation of error correction code (ECC) for NAND flash memory is increasingly complicated by the increasing bit error rate in memory. The concept of error-free information capacity is proposed to evaluate the performance ECC of NAND flash memory. The new method simultaneously considers the capacity and reliability of NAND flash memory. Low-density parity-check (LDPC) codes with a medium code...
The evaluation of error correction code (ECC) for NAND flash memory is increasingly complicated by the increasing bit error rate in memory. The concept of error-free information capacity is proposed to evaluate the performance ECC of NAND flash memory. The new method simultaneously considers the capacity and reliability of NAND flash memory. Low-density parity-check (LDPC) codes with a medium code...
Comparator is the key module in LDPC decoder that consumes most of the power and area. In this paper, a new comparator based on pass transistors and dynamic logic is proposed to decrease the power and the area. The comparator is implemented with full custom design at SMIC 0.18 1P6M technology. The simulation result of layout shows that the power drops by 11.4% and the area is reduced by 30% compared...
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