Efficient readout from analog memory cells using data compression
    1.
    发明授权
    Efficient readout from analog memory cells using data compression 有权
    使用数据压缩从模拟存储单元高效读出

    公开(公告)号:US09229861B2

    公开(公告)日:2016-01-05

    申请号:US13526859

    申请日:2012-06-19

    IPC分类号: H04L1/00 G06F12/08 G06F11/10

    摘要: A method for data storage includes storing data in a group of analog memory cells by writing respective input storage values to the memory cells in the group. After storing the data, respective output storage values are read from the analog memory cells in the group. Respective confidence levels of the output storage values are estimated, and the confidence levels are compressed. The output storage values and the compressed confidence levels are transferred from the memory cells over an interface to a memory controller.

    摘要翻译: 一种用于数据存储的方法包括通过将相应的输入存储值写入组中的存储器单元来将数据存储在一组模拟存储器单元中。 在存储数据之后,从组中的模拟存储器单元读取相应的输出存储值。 估计输出存储值的相对置信水平,并且压缩置信水平。 输出存储值和压缩置信水平通过接口从存储器单元传送到存储器控制器。

    Segmented data storage
    2.
    发明授权
    Segmented data storage 有权
    分段数据存储

    公开(公告)号:US08949684B1

    公开(公告)日:2015-02-03

    申请号:US12551583

    申请日:2009-09-01

    IPC分类号: G11C29/00 G11C29/04

    摘要: A method for data storage includes assigning in a memory that includes one or more storage devices a first storage area for storage of user data, and a second storage area, which is separate from the first storage area, for storage of redundancy information related to the user data. Input data is processed to produce redundancy data, and the input data is stored in the first storage area using at least one first write command. The redundancy data is stored in the second storage area using at least one second write command, separate from the first write command.

    摘要翻译: 一种用于数据存储的方法包括在包括一个或多个存储设备的存储器中分配用于存储用户数据的第一存储区域和与第一存储区域分开的第二存储区域,用于存储与第一存储区域相关的冗余信息 用户数据。 处理输入数据以产生冗余数据,并且使用至少一个第一写入命令将输入​​数据存储在第一存储区域中。 冗余数据使用与第一写入命令分开的至少一个第二写入命令存储在第二存储区域中。

    Data scrambling schemes for memory devices
    3.
    发明授权
    Data scrambling schemes for memory devices 有权
    存储器件的数据加扰方案

    公开(公告)号:US08578243B2

    公开(公告)日:2013-11-05

    申请号:US13565122

    申请日:2012-08-02

    IPC分类号: G06F11/00

    CPC分类号: G06F11/1048

    摘要: A method for data storage includes defining a set of scrambling sequences, each sequence including bits in respective bit positions having bit values, such that a distribution of the bit values in any give bit position satisfies a predefined statistical criterion. Each data word is scrambled using a respective scrambling sequence selected from the set. The scrambled data words are stored in the memory device.

    摘要翻译: 一种用于数据存储的方法包括定义一组加扰序列,每个序列包括具有比特值的相应比特位置中的比特,使得任何给定比特位置中的比特值的分布满足预定义的统计标准。 使用从集合中选择的相应加扰序列对每个数据字进行加扰。 加扰的数据字被存储在存储器件中。

    Reducing distortion using joint storage
    5.
    发明授权
    Reducing distortion using joint storage 有权
    使用联合储存减少失真

    公开(公告)号:US08300478B2

    公开(公告)日:2012-10-30

    申请号:US13412780

    申请日:2012-03-06

    IPC分类号: G11C7/10

    摘要: A method for data storage includes predefining an order of programming a plurality of analog memory cells that are arranged in rows. The order specifies that for a given row having neighboring rows on first and second sides, the memory cells in the given row are programmed only while the memory cells in the neighboring rows on at least one of the sides are in an erased state, and that the memory cells in the given row are programmed to assume a highest programming level, which corresponds to a largest analog value among the programming levels of the cells, only after programming all the memory cells in the given row to assume the programming levels other than the highest level. Data is stored in the memory cells by programming the memory cells in accordance with the predefined order.

    摘要翻译: 一种用于数据存储的方法包括预先定义以行排列的多个模拟存储器单元的编程顺序。 该顺序指定对于在第一和第二侧具有相邻行的给定行,只有当至少一个侧面上的相邻行中的存储器单元处于擦除状态时,给定行中的存储器单元被编程,并且该 给定行中的存储器单元被编程为假设最高编程电平,其对应于单元的编程电平中的最大模拟值,只有在编程给定行中的所有存储器单元之后才采用除 最高水平。 根据预定义的顺序对存储器单元进行编程,将数据存储在存储器单元中。

    PROGRAMMING ORDERS FOR REDUCING DISTORTION IN ARRAYS OF MULTI-LEVEL ANALOG MEMORY CELLS
    6.
    发明申请
    PROGRAMMING ORDERS FOR REDUCING DISTORTION IN ARRAYS OF MULTI-LEVEL ANALOG MEMORY CELLS 有权
    用于减少多级模拟记忆细胞阵列失真的编程方式

    公开(公告)号:US20100157675A1

    公开(公告)日:2010-06-24

    申请号:US12721585

    申请日:2010-03-11

    IPC分类号: G11C16/04

    摘要: A method for data storage includes predefining an order of programming a plurality of analog memory cells that are arranged in rows. The order specifies that for a given row having neighboring rows on first and second sides, the memory cells in the given row are programmed only while the memory cells in the neighboring rows on at least one of the sides are in an erased state, and that the memory cells in the given row are programmed to assume a highest programming level, which corresponds to a largest analog value among the programming levels of the cells, only after programming all the memory cells in the given row to assume the programming levels other than the highest level. Data is stored in the memory cells by programming the memory cells in accordance with the predefined order.

    摘要翻译: 一种用于数据存储的方法包括预先定义以行排列的多个模拟存储器单元的编程顺序。 该顺序指定对于在第一和第二侧具有相邻行的给定行,只有当至少一个侧面上的相邻行中的存储器单元处于擦除状态时,给定行中的存储器单元被编程,并且该 给定行中的存储器单元被编程为假设最高编程电平,其对应于单元的编程电平中的最大模拟值,只有在编程给定行中的所有存储器单元之后才采用除 最高水平。 根据预定义的顺序对存储器单元进行编程,将数据存储在存储器单元中。

    EFFICIENT INTERFERENCE CANCELLATION IN ANALOG MEMORY CELL ARRAYS
    7.
    发明申请
    EFFICIENT INTERFERENCE CANCELLATION IN ANALOG MEMORY CELL ARRAYS 有权
    在模拟存储器单元阵列中有效的干扰消除

    公开(公告)号:US20090158126A1

    公开(公告)日:2009-06-18

    申请号:US12332368

    申请日:2008-12-11

    IPC分类号: G11C29/52 G06F12/02 G06F11/10

    摘要: A method includes storing data in a group of analog memory cells by writing first storage values to the cells. After storing the data, second storage values are read from the cells using one or more first read thresholds. Third storage values that potentially cause cross-coupling interference in the second storage values are identified, and the third storage values are processed, to identify a subset of the second storage values as severely-interfered values. Fourth storage values are selectively re-read from the cells holding the severely-interfered values using one or more second read thresholds, different from the first read thresholds. The cross-coupling interference in the severely-interfered storage values is canceled using the re-read fourth storage values. The second storage values, including the severely-interfered values in which the cross-coupling interference has been canceled, are processed so as to reconstruct the data stored in the cell group.

    摘要翻译: 一种方法包括通过将第一存储值写入单元来将数据存储在一组模拟存储单元中。 在存储数据之后,使用一个或多个第一读取阈值从单元读取第二存储值。 识别潜在地在第二存储值中引起交叉耦合干扰的第三存储值,并且处理第三存储值,以将第二存储值的子集识别为严重干扰的值。 使用与第一读取阈值不同的一个或多个第二读取阈值,从保持严重干扰值的单元有选择地重新读取第四存储值。 使用重新读取的第四存储值来消除严重干扰的存储值中的交叉耦合干扰。 处理包括交叉耦合干扰已被消除的严重干扰值的第二存储值,以便重构存储在小区组中的数据。

    Efficient readout from analog memory cells using data compression
    8.
    发明授权
    Efficient readout from analog memory cells using data compression 有权
    使用数据压缩从模拟存储单元高效读出

    公开(公告)号:US08230300B2

    公开(公告)日:2012-07-24

    申请号:US12397368

    申请日:2009-03-04

    IPC分类号: G11C27/00

    摘要: A method for data storage includes storing data in a group of analog memory cells by writing respective input storage values to the memory cells in the group. After storing the data, respective output storage values are read from the analog memory cells in the group. Respective confidence levels of the output storage values are estimated, and the confidence levels are compressed. The output storage values and the compressed confidence levels are transferred from the memory cells over an interface to a memory controller.

    摘要翻译: 一种用于数据存储的方法包括通过将相应的输入存储值写入组中的存储器单元来将数据存储在一组模拟存储器单元中。 在存储数据之后,从组中的模拟存储器单元读取相应的输出存储值。 估计输出存储值的相对置信水平,并且压缩置信水平。 输出存储值和压缩置信水平通过接口从存储器单元传送到存储器控制器。

    Reducing Distortion Using Joint Storage
    9.
    发明申请
    Reducing Distortion Using Joint Storage 有权
    使用联合存储减少失真

    公开(公告)号:US20120163080A1

    公开(公告)日:2012-06-28

    申请号:US13412780

    申请日:2012-03-06

    IPC分类号: G11C16/04

    摘要: A method for data storage includes predefining an order of programming a plurality of analog memory cells that are arranged in rows. The order specifies that for a given row having neighboring rows on first and second sides, the memory cells in the given row are programmed only while the memory cells in the neighboring rows on at least one of the sides are in an erased state, and that the memory cells in the given row are programmed to assume a highest programming level, which corresponds to a largest analog value among the programming levels of the cells, only after programming all the memory cells in the given row to assume the programming levels other than the highest level. Data is stored in the memory cells by programming the memory cells in accordance with the predefined order.

    摘要翻译: 一种用于数据存储的方法包括预先定义以行排列的多个模拟存储器单元的编程顺序。 该顺序指定对于在第一和第二侧具有相邻行的给定行,只有当至少一个侧面上的相邻行中的存储器单元处于擦除状态时,给定行中的存储器单元被编程,并且该 给定行中的存储器单元被编程为假设最高编程电平,其对应于单元的编程电平中的最大模拟值,只有在编程给定行中的所有存储器单元之后才采用除 最高水平。 根据预定义的顺序对存储器单元进行编程,将数据存储在存储器单元中。

    Estimation of memory cell read thresholds by sampling inside programming level distribution intervals
    10.
    发明授权
    Estimation of memory cell read thresholds by sampling inside programming level distribution intervals 有权
    通过在编程级别分配间隔内采样来估计存储单元读取阈值

    公开(公告)号:US08000135B1

    公开(公告)日:2011-08-16

    申请号:US12558528

    申请日:2009-09-13

    IPC分类号: G11C16/04

    摘要: A method for data storage includes storing data in a group of analog memory cells by writing into the memory cells in the group respective storage values, which program each of the analog memory cells to a respective programming state selected from a predefined set of programming states. The programming states include at least first and second programming states, which are applied respectively to first and second subsets of the memory cells, whereby the storage values held in the memory cells in the first and second subsets are distributed in accordance with respective first and second distributions. Respective first and second medians of the first and second distributions are estimated, and a read threshold is calculated based on the first and second medians. The data is retrieved from the analog memory cells in the group by reading the storage values using the calculated read threshold.

    摘要翻译: 一种用于数据存储的方法包括:通过将组各自的存储值中的每个模拟存储器单元编程为从预定的一组编程状态中选择的各自的编程状态,将数据写入一组模拟存储器单元。 编程状态包括至少第一和第二编程状态,其分别应用于存储器单元的第一和第二子集,由此保持在第一和第二子集中的存储单元中的存储值根据相应的第一和第二 分布。 估计第一和第二分布的相应的第一和第二中值,并且基于第一和第二中心计算读取阈值。 通过使用计算的读取阈值读取存储值,从组中的模拟存储器单元检索数据。