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公开(公告)号：US09812193B2
公开(公告)日：2017-11-07
申请号：US14480988
申请日：2014-09-09
申请人： SK Hynix Inc.
CPC分类号： G11C11/5642 , G11C16/26 , G11C16/3404
摘要： A bit flip count is determined for each bin in a plurality of bins, including by: (1) performing a first read on a group of solid state storage cells at a first threshold that corresponds to a lower bound for a given bin and (2) performing a second read on the group of solid state storage cells at a second threshold that corresponds to an upper bound for the given bin. A minimum is determined using the bit flip counts corresponding to the plurality of bins and the minimum is used to estimate an optimal threshold.
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公开(公告)号：US09342389B2
公开(公告)日：2016-05-17
申请号：US14169877
申请日：2014-01-31
申请人： SK Hynix Inc.
发明人： Xiangyu Tang , Frederick K. H. Lee , Jason Bellorado , Lingqi Zeng , Zheng Wu
CPC分类号： G06F11/00 , G06F3/0616 , G06F3/064 , G06F3/0679 , G06F11/3409 , G06F11/3471 , G06F12/121
摘要： An address is received. One or more neighbors associated with the received address is/are determined. One or more neighboring hot metrics is/are determined for the one or more neighbors associated with the received address. A hot metric for the received address is determined based at least in part on the neighboring hot metrics.
摘要翻译： 收到一个地址。 确定与所接收的地址相关联的一个或多个邻居。 确定与接收到的地址相关联的一个或多个邻居的一个或多个相邻热度量。 至少部分地基于相邻的热指标来确定接收地址的热度量。
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公开(公告)号：US09727249B1
公开(公告)日：2017-08-08
申请号：US14543333
申请日：2014-11-17
申请人： SK Hynix Inc.
CPC分类号： G06F3/061 , G06F3/064 , G06F3/0679 , G06F12/0246 , G06F12/0871 , G06F2212/1016 , G06F2212/222 , G06F2212/312 , G06F2212/7201 , G06F2212/7202 , G06F2212/7205 , G11C2211/5641
摘要： An instruction to write data to a write logical address is received where the write logical address is a member of a group of one or more logical addresses. It is determined if data associated with any of the logical addresses in the group of logical addresses has been written to any of a plurality of open groups of locations. If so, the data is written to the open group of locations to which data from the group of logical addresses has already been written to. If not, an open group of locations to write to is selected from the plurality of open groups of locations.
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4.发明授权公开(公告)号：US09337873B2
公开(公告)日：2016-05-10
申请号：US14265249
申请日：2014-04-29
申请人： SK Hynix Inc.
发明人： Marcus Marrow , Jason Bellorado , Zheng Wu , Naveen Kumar
CPC分类号： H03M13/453 , G06F11/1012 , H03M13/152 , H03M13/2963 , H03M13/2975 , H03M13/3738 , H03M13/3784
摘要： Miscorrection detection for error correction codes using bit reliabilities includes receiving a plurality of reliabilities corresponding to respective ones of a plurality of read values, receiving one or more proposed corrections corresponding to one or more of the plurality of read values, and determining a miscorrection metric based at least in part on one or more of the plurality of reliabilities corresponding to the one or more of the plurality of read values.
摘要翻译： 使用位可靠性的误差校正码的误差检测包括：接收与多个读取值中的相应的读取值对应的多个可靠性，接收对应于多个读取值中的一个或多个的一个或多个所提出的校正，以及基于错误校正度量 至少部分地基于对应于所述多个读取值中的一个或多个的多个可靠性中的一个或多个。
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公开(公告)号：US10725668B1
公开(公告)日：2020-07-28
申请号：US14817118
申请日：2015-08-03
申请人： SK hynix Inc.
发明人： Xiangyu Tang , Jason Bellorado , Lingqi Zeng , Zheng Wu
摘要： A type of data relocation to perform on a group of solid state storage cells is selected from a group that includes garbage collection and wear leveling. Source blocks in the group of solid state storage cells are identified using the selected type of data relocation. The source blocks are read in order to obtain relocated data and the relocated data is stored in an open block in the group of solid state storage cells. Relocated data associated with the selected type of data relocation is stored in the open block and relocated data associated with the unselected type of data relocation is excluded from the open block.
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公开(公告)号：US09569302B1
公开(公告)日：2017-02-14
申请号：US14288777
申请日：2014-05-28
申请人： SK Hynix Inc.
发明人： Jason Bellorado , Marcus Marrow , Zheng Wu , Naveen Kumar
CPC分类号： G06F11/1004 , H03M13/15 , H03M13/152 , H03M13/2957 , H03M13/2963 , H03M13/2975
摘要： Decoding using miscorrection detection is disclosed. A measure indicative of the number of proposed corrections included in a set of proposed corrections corresponding to one or more of a plurality of read values is received. The plurality of read values corresponds to a codeword. It is determined whether the number of proposed corrections is a permitted number of corrections.
摘要翻译： 公开了使用误差检测的解码。 接收指示包括在对应于多个读取值中的一个或多个的一组建议校正中的建议校正次数的度量。 多个读取值对应于码字。 确定所提出的修正数是否是允许的修正数。
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公开(公告)号：US10318414B2
公开(公告)日：2019-06-11
申请号：US14927135
申请日：2015-10-29
申请人： SK hynix Inc.
发明人： Jason Bellorado , Xiangyu Tang
IPC分类号： G06F9/45 , G06F12/08 , G06F12/0808 , G06F12/0815 , G06F12/02 , G06F12/12
摘要： A memory system include a memory device including a plurality of blocks, each of the blocks having a plurality of pages, and a controller suitable for determining valid pages from among the plurality of pages based on data temperature, and performing a garbage collection process based on a number of valid pages and data temperature of the valid pages.
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8.发明授权Check after write for assessing wear related degradation in solid state storage 有权写入后检查固态存储中的磨损相关退化公开(公告)号：US09514845B1
公开(公告)日：2016-12-06
申请号：US14534638
申请日：2014-11-06
申请人： SK Hynix Inc.
发明人： Zheng Wu , Jason Bellorado , Arunkumar Subramanian
CPC分类号： G11C29/42 , G06F11/1004 , G06F11/1048 , G11C29/44
摘要： A group of one or more solid state storage cells is programmed. A predetermined amount of time after the group of solid state storage cells is programmed, the group of solid state storage cells is read to obtain read data. Error correction decoding is performed on the read data and the group of solid state storage cells is assessed for wear related degradation based at least in part on the error correction decoding.
摘要翻译： 一组一个或多个固态存储单元被编程。 在组态固态存储单元被编程之后的预定时间量内，读取固态存储单元组以获得读取数据。 对读取的数据执行纠错解码，并且至少部分地基于纠错解码来评估固态存储单元组的磨损相关的退化。
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公开(公告)号：US09236147B1
公开(公告)日：2016-01-12
申请号：US14493216
申请日：2014-09-22
申请人： SK Hynix Inc.
发明人： Jason Bellorado , Ameen Aslam , Zheng Wu
CPC分类号： G11C29/50004 , G06F11/1048 , G11C16/349 , G11C29/021 , G11C29/028 , G11C2029/4402
摘要： An instruction to read at least a portion of a superblock is received where the superblock is stored on at least a first solid state storage die. It is determined if adjusted threshold information, associated with the first solid state storage die and the superblock, is stored. If it is determined that adjusted threshold information is not stored, then an adjusted threshold is determined and a read is performed on the first solid state storage die using the determined adjusted threshold. If it is determined that adjusted threshold information is stored, then a read is performed on the first solid state storage die using the stored adjusted threshold information.
摘要翻译： 接收读取超块的至少一部分的指令，其中超块被存储在至少第一固态存储芯片上。 确定与第一固态存储管芯和超级块相关联的调整的阈值信息是否被存储。 如果确定未存储调整后的阈值信息，则确定调整后的阈值，并使用所确定的调整后的阈值对第一固态存储管芯进行读取。 如果确定存储了调整后的阈值信息，则使用存储的调整后的阈值信息对第一固态存储管芯执行读取。
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公开(公告)号：US09590658B1
公开(公告)日：2017-03-07
申请号：US14444712
申请日：2014-07-28
申请人： SK Hynix Inc.
发明人： LingQi Zeng , Abhiram Prabhakar , Jason Bellorado , Johnson Yen
CPC分类号： H03M13/112 , H03M13/1117 , H03M13/1122 , H03M13/1137
摘要： Decoding an LDPC encoded codeword is disclosed. Variable nodes corresponding to a parity check matrix of the LDPC encoded codeword have been divided into a plurality of groups. A selected group of variable nodes from the plurality of groups of variable nodes is updated. Check nodes are updated using a min-sum update. A selected input value provided from a variable node of the selected group of variable nodes and provided to a certain check node of the check nodes is discarded to be not available for use in a future min-sum update.
摘要翻译： 公开了解码LDPC编码码字。 对应于LDPC编码码字的奇偶校验矩阵的可变节点已被划分成多个组。 来自多个变量节点组的所选择的变量节点组被更新。 使用最小和更新更新检查节点。 从所选择的变量节点组的变量节点提供并提供给校验节点的某个校验节点的选择的输入值被丢弃为不可用于将来的最小和更新。
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