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    • 51. 发明申请
    • DATA STORING METHOD, AND MEMORY CONTROLLER AND MEMORY STORAGE APPARATUS USING THE SAME
    • 数据存储方法,以及使用其的存储器控​​制器和存储器存储装置
    • US20120317346A1
    • 2012-12-13
    • US13587923
    • 2012-08-17
    • Chih-Kang Yeh
    • Chih-Kang Yeh
    • G06F12/02
    • G06F12/0246G06F2212/7202
    • A data storing method for a rewritable non-volatile memory module is provided. The method includes receiving page data to be stored in a first logical address. The method also includes determining whether a storage status of the rewritable non-volatile memory module is a predetermined status; if yes, using a first writing mode to write the page data into the rewritable non-volatile memory module; if no, using a second writing mode to write the page data into the rewritable non-volatile memory module. In the first writing mode, lower physical program units of the rewritable non-volatile memory module are applied for writing data, and upper physical program units of the rewritable non-volatile memory module are not applied for writing data; in the second writing mode, the upper physical program units and the lower physical program units are applied for writing data.
    • 提供了一种用于可重写非易失性存储器模块的数据存储方法。 该方法包括接收要存储在第一逻辑地址中的页面数据。 该方法还包括确定可重写非易失性存储器模块的存储状态是否是预定状态; 如果是,使用第一写入模式将页面数据写入可重写非易失性存储器模块; 如果否,则使用第二写入模式将页面数据写入可重写非易失性存储器模块。 在第一写入模式中,应用可重写非易失性存储器模块的较低物理程序单元来写入数据,并且不将可重写非易失性存储器模块的较高物理程序单元应用于写入数据; 在第二写入模式中,应用上层物理程序单元和下部物理程序单元来写入数据。
    • 52. 发明申请
    • DATA WRITING METHOD, MEMORY CONTROLLER, AND MEMORY STORAGE APPARATUS
    • 数据写入方法,存储器控制器和存储器存储器
    • US20120278535A1
    • 2012-11-01
    • US13183470
    • 2011-07-15
    • Chih-Kang Yeh
    • Chih-Kang Yeh
    • G06F12/02
    • G06F12/0246G06F11/1435G06F11/2094G06F2212/1032G06F2212/7202G06F2212/7209
    • A data writing method for writing data belonging to a logical page into a rewritable non-volatile memory module is provided. In the data writing method, a mark count value is set for each logical page. Whether the mark count value corresponding to the logical page is greater than a predetermined threshold is determined If the mark count value corresponding to the logical page is not greater than the predetermined threshold, the mark count value corresponding to the logical page is counted, and the data and the mark count value corresponding to the logical page are written into a first storage area or a second storage area. Otherwise, the data and the mark count value corresponding to the logical page are written into the second storage area. Thereby, data stored in the rewritable non-volatile memory module can be effectively identified and data loss caused by power failure can be avoided.
    • 提供一种将属于逻辑页面的数据写入可重写非易失性存储器模块的数据写入方法。 在数据写入方法中,为每个逻辑页面设置标记计数值。 确定与逻辑页对应的标记计数值是否大于预定阈值如果与逻辑页对应的标记计数值不大于预定阈值,则对与逻辑页对应的标记计数值进行计数, 对应于逻辑页面的数据和标记计数值被写入第一存储区域或第二存储区域。 否则,将对应于逻辑页面的数据和标记计数值写入第二存储区域。 从而,可以有效地识别存储在可重写非易失性存储器模块中的数据,并且可以避免由电源故障引起的数据丢失。
    • 53. 发明申请
    • MEMORY STORAGE DEVICE, MEMORY CONTROLLER, AND DATA WRITING METHOD
    • 内存存储设备,存储控制器和数据写入方法
    • US20120254511A1
    • 2012-10-04
    • US13111959
    • 2011-05-20
    • Chih-Kang Yeh
    • Chih-Kang Yeh
    • G06F12/00
    • G06F12/0246G06F11/073G06F11/0766G06F11/1048G06F11/1435G06F11/2094G06F2212/7201
    • A memory storage device, a memory controller, and a data writing method are provided. The memory storage device has a rewritable non-volatile memory chip including a plurality of physical units, and each of the physical units has a plurality of physical pages. The data writing method includes configuring a plurality of logical units to be mapped to a portion of the physical units, and each of the logical unit has a plurality of logical pages. The data writing method also includes receiving a first write data from a host system and writing the first write data into the ith physical page in a substitute physical unit selected from the physical units. The data writing method further includes writing a first address access information corresponding to the first write data and a second address access information into the ith physical page. Herein i is a positive integer.
    • 提供了存储器存储设备,存储器控制器和数据写入方法。 存储器存储装置具有包括多个物理单元的可重写非易失性存储器芯片,并且每个物理单元具有多个物理页面。 数据写入方法包括配置要映射到物理单元的一部分的多个逻辑单元,并且每个逻辑单元具有多个逻辑页。 数据写入方法还包括从主机系统接收第一写入数据并将第一写入数据写入从物理单元中选择的替代物理单元中的第i个物理页。 数据写入方法还包括将与第一写入数据相对应的第一地址访问信息和第二地址访问信息写入第i个物理页面。 这里我是一个正整数。
    • 54. 发明授权
    • Block management method, and storage system and controller using the same
    • 块管理方法,以及存储系统和控制器的使用方法
    • US08250286B2
    • 2012-08-21
    • US12259829
    • 2008-10-28
    • Chih-Kang Yeh
    • Chih-Kang Yeh
    • G06F12/08
    • G06F12/0246G06F2212/7202G11C2211/5641
    • A block management method for managing a multi level cell (MLC) NAND flash memory is provided, wherein the MLC NAND flash memory has a plurality of physical blocks grouped into at least a data area and a spare area, each of the physical blocks has a plurality of pages divided into a plurality of upper pages, and a plurality of lower pages with a writing speed thereof being greater than that of the upper pages. The block management method includes configuring a plurality of logical blocks for being accessed by a host, recording the logical block belonging to a frequently accessed block and executing a special mode to use the lower pages of at least two physical blocks of the MLC NAND flash memory for storing data of one logical block belonging to the frequently accessed block. Accordingly, it is possible to increase the access speed of a storage system.
    • 提供了一种用于管理多级单元(MLC)NAND闪速存储器的块管理方法,其中MLC NAND闪速存储器具有分组为至少数据区域和备用区域的多个物理块,每个物理块具有 被分成多个上部页的多个页面以及其写入速度大于上部页面的多个下部页面。 块管理方法包括配置由主机访问的多个逻辑块,记录属于频繁访问块的逻辑块,并执行特殊模式以使用MLC NAND闪速存储器的至少两个物理块的下页 用于存储属于经常访问的块的一个逻辑块的数据。 因此,可以提高存储系统的访问速度。
    • 55. 发明申请
    • MEMORY STORAGE DEVICE, MEMORY CONTROLLER THEREOF, AND METHOD FOR RESPONDING HOST COMMAND
    • 存储器存储器,其存储器控制器以及用于响应主机命令的方法
    • US20120131263A1
    • 2012-05-24
    • US12976989
    • 2010-12-22
    • Chih-Kang Yeh
    • Chih-Kang Yeh
    • G06F12/00
    • G06F12/0246G06F2212/7203
    • A memory storage device, a memory controller thereof, and a method for responding host commands are provided. The memory storage device has a flash memory chip and a buffer memory. The present method includes receiving a write command issued by a host system and determining whether the write command causes the memory storage device to trigger a data moving procedure. If the write command does not cause the memory storage device to trigger the data moving procedure, the present method further includes sending an acknowledgement message corresponding to the write command to the host system after data corresponding to the write command is completely transferred to the buffer memory.
    • 提供了存储器存储设备,其存储器控制器以及用于响应主机命令的方法。 存储器存储装置具有闪存芯片和缓冲存储器。 本方法包括接收由主机系统发出的写入命令,并确定写入命令是否使存储器存储设备触发数据移动过程。 如果写入命令不使存储器存储设备触发数据移动过程,则本方法还包括在对应于写入命令的数据被完全传送到缓冲存储器之后,向主机系统发送与写入命令相对应的确认消息 。
    • 56. 发明申请
    • DATA MANAGEMENT METHOD, MEMORY CONTROLLER AND MEMORY STORAGE APPARATUS
    • 数据管理方法,存储器控制器和存储器存储器
    • US20120110300A1
    • 2012-05-03
    • US13030147
    • 2011-02-18
    • Chih-Kang Yeh
    • Chih-Kang Yeh
    • G06F12/06
    • G06F12/0246
    • A data management method, a memory controller and a memory storage apparatus are provided. The method includes grouping physical units of a rewritable non-volatile memory module into at least a data area and a free area. The method also includes configuring logical units for mapping to the physical units of the data area and writing update data belonging to the logical pages of the logical units orderly into the physical pages of physical units gotten from the free area. The method further includes configuring root units for the logical pages, configuring an entry chain for each of the root units and building entries on the entry chains for recording update information of the updated logical pages, wherein each of the logical pages corresponds to a root unit. Accordingly, the table size for storing the update information is effectively reduced and the time for searching valid data is effectively shortened.
    • 提供了数据管理方法,存储器控制器和存储器存储装置。 该方法包括将可重写非易失性存储器模块的物理单元分组成至少数据区域和自由区域。 该方法还包括配置用于映射到数据区的物理单元的逻辑单元,并将属于逻辑单元的逻辑单元的更新数据有序地写入从空闲区域获得的物理单元的物理页面。 该方法还包括配置逻辑页面的根单元,为每个根单元配置入口链,并在入口链上建立条目以记录更新的逻辑页的更新信息,其中每个逻辑页对应于根单元 。 因此,有效地减少用于存储更新信息的表格大小,有效缩短搜索有效数据的时间。
    • 57. 发明授权
    • Data writing method for non-volatile memory and controller using the same
    • 用于非易失性存储器和控制器的数据写入方法
    • US08001317B2
    • 2011-08-16
    • US12025485
    • 2008-02-04
    • Chih-Kang YehChien-Hua ChuJia-Yi Fu
    • Chih-Kang YehChien-Hua ChuJia-Yi Fu
    • G06F12/00G06F13/00G06F13/28
    • G06F12/0246G06F2212/1032G06F2212/7203G06F2212/7207
    • A data writing method for a non-volatile memory is provided, wherein the non-volatile memory includes a data area and a spare area. In the data writing method, a plurality of blocks in a substitution area of the non-volatile memory is respectively used for substituting a plurality of blocks in the data area, wherein data to be written into the blocks in the data area is written into the blocks in the substitution area, and the blocks in the substitution area are selected from the spare area of the non-volatile memory. A plurality of temporary blocks of the non-volatile memory is used as a temporary area of the blocks in the substitution area, wherein the temporary area is used for temporarily storing the data to be written into the blocks in the substitution area.
    • 提供了一种用于非易失性存储器的数据写入方法,其中非易失性存储器包括数据区域和备用区域。 在数据写入方法中,分别使用非易失性存储器的替代区域中的多个块来代替数据区域中的多个块,其中写入数据区域中的块的数据被写入到 在替代区域中的块,并且替换区域中的块从非易失性存储器的备用区域中选择。 非易失性存储器的多个临时块被用作替换区域中的块的临时区域,其中临时区域用于临时存储要写入替换区域中的块的数据。
    • 58. 发明授权
    • Storage system having multiple non-volatile memories, and controller and access method thereof
    • 具有多个非易失性存储器的存储系统及其控制器及其访问方法
    • US07975096B2
    • 2011-07-05
    • US12197468
    • 2008-08-25
    • Jiunn-Yeong YangChien-Hua ChuKuo-Yi ChengLi-Chun LiangChih-Kang Yeh
    • Jiunn-Yeong YangChien-Hua ChuKuo-Yi ChengLi-Chun LiangChih-Kang Yeh
    • G06F12/00
    • G06F12/06G06F2212/2022
    • A non-volatile memory storage system including a transmission interface, a memory module, and a controller is provided. The memory module includes first and second non-volatile memory chips. The first and the second non-volatile memory chips can be simultaneously enabled by receiving a chip enable signal from the controller via a chip enable pin. When the controller performs a multichannel access, the controller provides an access instruction to the first and second non-volatile memory chip, after enabling the first non-volatile memory chip and the second non-volatile memory chip with the chip enable signal. When the controller performs a single channel access, the controller provides the access signal to one of the first and second non-volatile memory chips, and provides a non-access instruction to the other one, after enabling the first non-volatile memory chip and the second non-volatile memory chip with the chip enable signal.
    • 提供了包括传输接口,存储器模块和控制器的非易失性存储器存储系统。 存储器模块包括第一和第二非易失性存储器芯片。 可以通过经由芯片使能引脚从控制器接收芯片使能信号来同时启用第一和第二非易失性存储器芯片。 当控制器执行多通道访问时,在使能具有芯片使能信号的第一非易失性存储器芯片和第二非易失性存储器芯片之后,控制器向第一和第二非易失性存储器芯片提供访问指令。 当控制器执行单通道访问时,控制器将访问信号提供给第一和第二非易失性存储器芯片中的一个,并且在启用第一非易失性存储器芯片之后,向另一个提供非访问指令, 具有芯片使能信号的第二非易失性存储器芯片。