摘要:
Multi-bit programming apparatuses and methods are provided. A multi-bit programming apparatus may include: a first programming unit that stores data corresponding to a number of first bits in at least one first memory cell that may be connected to at least one first bit line; and a second programming unit that stores data corresponding to a number of second bits in at least one second memory cell that may be connected to at least one second bit line. Through this, it may be possible to improve data reliability and increase a number of bits to be stored in the entire memory cell.
摘要:
Provided are a semiconductor device having a block state confirmation cell that may store information indicating the number of data bits written to a plurality of memory cells, a method of reading memory data based on the number of the data bits written, and/or a memory programming method of storing the information indicating the number of the data bits written. The semiconductor device may include one or more memory blocks and a controller. Each of the memory blocks may include a plurality of memory cells each storing data, and a block state confirmation cell storing information indicating the number of data bits written to the memory cells. The controller may read the data bits from the memory blocks based on the number of data bits, which is indicated in the information in the block state confirmation cell.
摘要:
Provided are a method of writing/reading data into/from a memory cell and a page buffer using different codes for the writing and reading operations. The method of writing/reading data into/from a memory cell that has a plurality of threshold voltage distributions includes a data writing operation and a data reading operation. In the data writing operation, data having a plurality of bits is written into the memory cell by using a plurality of writing codes corresponding to threshold voltage distributions. In the data reading operation, the data having a plurality of bits is read from the memory cell by using reading codes corresponding to the threshold voltage distributions from among the threshold voltage distributions. In the method of writing/reading data into/from a memory cell, a part of the writing codes is different from a corresponding part of the reading codes.
摘要:
Provided are a memory cell programming method and a semiconductor device which may be capable of simultaneously writing a bit of data and then another bit of the data to a plurality of memory blocks. The memory programming method, in which M bits of data are written to a plurality of memory blocks, may include a data division operation and a data writing operation where M may be a natural number. In the data division operation, the plurality of memory blocks may be divided into a plurality of memory block groups. In the data writing operation, an ith bit of the data may be simultaneously written to two or more memory block groups from among the plurality memory block groups, and then an i+1th bit of the data may be simultaneously written to the two or more memory block groups from among the plurality memory block groups, where i is a natural number less than M.
摘要:
A highly integrated non-volatile memory device and a method of operating the non-volatile memory device are provided. The non-volatile memory device includes a semiconductor layer. A plurality of upper control gate electrodes are arranged above the semiconductor layer. A plurality of lower control gate electrodes are arranged below the semiconductor layer, and the plurality of upper control gate electrodes and the plurality of lower control gate electrodes are disposed alternately. A plurality of upper charge storage layers are interposed between the semiconductor layer and the upper control gate electrodes. A plurality of lower charge storage layers are interposed between the semiconductor layer and the lower control gate electrodes.
摘要:
A semiconductor memory device includes a semiconductor substrate, a control gate electrode recessed in the semiconductor substrate, a storage node layer interposed between a sidewall of the control gate electrode and the semiconductor substrate, a tunneling insulation layer interposed between the storage node layer and the semiconductor substrate, a blocking insulation layer interposed between the storage node layer and the control gate electrode, and first and second channel regions formed around a surface of the semiconductor substrate to at least partially surround the control gate electrode. The semiconductor memory device may include a plurality of control gate electrodes, storage node layers, tunneling insulation layers, blocking insulation layers, and continuous first and second channel regions. A method of fabricating the semiconductor memory device includes etching the semiconductor substrate to form a plurality of holes, forming the tunneling insulation layers, storage node layers, blocking insulation layers, and control gate electrodes.
摘要:
A method of operating a memory controller, a memory controller, a memory device and a memory system are provided. The method includes reading first data from a nonvolatile memory device using a first read voltage, the first data includes a uncorrectable error bit, reading second data from a nonvolatile memory device using a second read voltage different from the first read voltage, the second data includes an correctable error bit, and reprogramming the nonvolatile memory device according to the comparison result of the first read voltage and the second read voltage.
摘要:
A data storage device includes a non-volatile memory device including a plurality of memory cells and a memory controller. The memory controller is configured to modify an arrangement of program data and to program the modified program data into the plurality of memory cells. The memory controller modifies the program data to eliminate a given data pattern causing physical interference between adjacent memory cells from the modified program data.
摘要:
A method of storing data in a storage media can include determining whether a size of data to be stored in the storage media satisfies a reference condition and compressing the data to provide compressed data for storage in the storage media upon determining that the size satisfies a reference condition.
摘要:
An iterative decoding method is disclosed and includes sequentially executing a number of iterative decoding cycles in relation to a parity check equation until the parity check equation is resolved, or a maximum number N of iterative decoding cycles is reached, during execution of the number of iterative decoding cycles, storing in a data buffer minimum estimated values for a set of variable nodes corresponding to a minimum number of bit errors, and outputting the minimum estimated values stored in the data buffer as a final decoding result when the number of iterative decoding cycles reaches N.
摘要翻译:公开了一种迭代解码方法,并且包括相对于奇偶校验方程顺序执行多个迭代解码周期,直到奇偶校验方程被解析为止,或者在迭代次数的执行期间达到迭代解码周期的最大数量N 解码周期,在数据缓冲器中存储对应于最小数量的位错误的一组可变节点的最小估计值,并且当迭代解码周期数达到时,输出存储在数据缓冲器中的最小估计值作为最终解码结果 N.