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    • 36. 发明申请
    • Integrated memory circuit and method for repairing a single bit error
    • 用于修复单个位错误的集成存储器电路和方法
    • US20060203567A1
    • 2006-09-14
    • US11331577
    • 2006-01-13
    • Peter Poechmueller
    • Peter Poechmueller
    • G11C7/10
    • G11C29/4401G11C29/44G11C2029/0405
    • The invention relates to an integrated memory circuit having a memory cell array comprising memory cells arranged on word lines and bit lines, and having a repair circuit for repairing a single bit error in one of the memory cells, the repair circuit comprising: an error memory for storing an item of repair information, an assignment unit in order, when accessing an address of the memory cell array, depending on the repair information, to access either a memory area of the memory cell array or a redundancy memory area, and a test unit for determining the repair information. The test unit comprises a write unit, which successively writes first test data and second test data to a plurality of memory cells of a memory area of the memory cell array, a read-out unit which reads out data stored in the memory area, a modification unit in order to modify the bits of the read-out data in such a way that the position of each bit changes and each of the bits is inverted in order to provide the second test data, which are subsequently written to the memory area with the aid of the write unit, and a comparator unit in order to compare the data read out after the writing of the second test data with expected data and to provide the repair information depending on the comparison result.
    • 本发明涉及具有存储单元阵列的集成存储器电路,该存储单元阵列包括布置在字线和位线上的存储器单元,并且具有用于修复其中一个存储器单元中的单个位错误的修复电路,该修复电路包括:错误存储器 用于存储修复信息的项目,分配单元,当根据修复信息访问存储单元阵列的地址时,访问存储单元阵列的存储区域或冗余存储区域,以及测试 用于确定修复信息的单元。 测试单元包括写入单元,其将第一测试数据和第二测试数据连续地写入存储单元阵列的存储区域的多个存储单元;读出单元,其读出存储在存储区域中的数据, 修改单元,以便以这样的方式修改读出数据的位,使得每个位的位置改变,并且每个位被反转以提供第二测试数据,随后将其写入存储区域 写单元的帮助和比较器单元,以便将写入第二测试数据之后读出的数据与预期数据进行比较,并根据比较结果提供修复信息。
    • 37. 发明申请
    • Memory device with customizable configuration
    • 具有可定制配置的内存设备
    • US20060203559A1
    • 2006-09-14
    • US11067914
    • 2005-02-28
    • Peter Poechmueller
    • Peter Poechmueller
    • G11C11/34
    • G11C7/1045G11C7/1048G11C11/4093G11C17/165
    • One embodiment of the present invention relates to a memory device in a package comprising a plurality of data output ports, a plurality of internal data lines for providing data to and from a memory unit, a switching unit which is operable, depending on an operational mode, either to connect a first number of the internal data lines to a first number of the plurality of data output ports in a first operational mode or to connect a second number of the internal data lines to a second number of the plurality data output ports in a second operational mode, wherein the first number is smaller than the second number; and a mode selector unit which is connected to the switching unit to set the operational mode of the switching unit, wherein the mode selector unit includes a programmable storage unit for writing mode data from externally and wherein the operational mode is determined depending on the mode data.
    • 本发明的一个实施例涉及包括多个数据输出端口,用于向存储器单元提供数据和从存储器单元提供数据的多个内部数据线的封装中的存储器件,根据操作模式可操作的切换单元 或者在第一操作模式中将第一数量的内部数据线连接到多个数据输出端口中的第一数量,或者将第二数量的内部数据线连接到第二数量的多个数据输出端口 第二操作模式,其中所述第一数量小于所述第二数量; 以及模式选择器单元,其连接到所述切换单元以设置所述切换单元的操作模式,其中所述模式选择器单元包括用于从外部写入模式数据的可编程存储单元,并且其中所述操作模式根据模式数据来确定 。
    • 38. 发明申请
    • Hub module for connecting one or more memory chips
    • 用于连接一个或多个存储器芯片的集线器模块
    • US20060193184A1
    • 2006-08-31
    • US11348514
    • 2006-02-06
    • Peter Poechmueller
    • Peter Poechmueller
    • G11C29/00
    • G11C29/76
    • The invention relates to a hub module for connecting one or more memory chips, said module having an address input for connection to an address bus in order to receive an address of the memory area to be addressed and having an address output for connection to a further address bus, and having an address decoder unit in order to address one of the connected memory chips using an address that is applied to the address input or to apply the applied address to the address output, characterized in that the address decoder unit has a redundancy unit in order to address a redundant memory area instead of the addressed memory area in the event of a defect being detected in a memory area of the one or more connected memory chips.
    • 本发明涉及一种用于连接一个或多个存储器芯片的集线器模块,所述模块具有用于连接到地址总线的地址输入,以便接收要寻址的存储器区域的地址,并具有用于连接到另一个的地址输出 并且具有地址解码器单元,以便使用应用于地址输入的地址来寻址连接的存储器芯片之一,或者将所施加的地址应用于地址输出,其特征在于,地址解码器单元具有冗余 单元,以便在所述一个或多个连接的存储器芯片的存储器区域中检测到缺陷的情况下寻址冗余存储器区域而不是寻址的存储器区域。
    • 39. 发明授权
    • Method and system for manufacturing DRAMs with reduced self-refresh current requirements
    • 具有降低的自刷新电流要求的制造DRAM的方法和系统
    • US06940773B2
    • 2005-09-06
    • US10404561
    • 2003-04-02
    • Peter Poechmueller
    • Peter Poechmueller
    • G11C11/406G11C7/00
    • G11C11/40615G11C11/406G11C2211/4061
    • A method and system for reducing self-refresh current requirements in a includes a DRAM chip that is sectioned into a number of segments. The entire DRAM chip is tested upon manufacture to determine the relative decay rates for each cell in the DRAM. For each segment, the refresh rate for that segment is selected based on the fastest decay rate for a DRAM cell in the segment. The DRAM is configured for refreshing memory cells during a self-refresh at different refresh rates for different segments. The refresh period is controlled for individual segments using techniques, such as programmable logic or fuses, to skip certain self-refresh cycles for those segments capable of operating at lower refresh rates. The refresh period in memory segments with strong memory cells can be reduced, thereby conserving current required to be drawn.
    • 用于减少自刷新电流要求的方法和系统包括被划分成多个段的DRAM芯片。 整个DRAM芯片在制造时进行测试,以确定DRAM中每个单元的相对衰减速率。 对于每个段,基于片段中的DRAM单元的最快的衰减速率来选择该段的刷新率。 DRAM被配置为在针对不同段的不同刷新率的自刷新期间刷新存储器单元。 使用诸如可编程逻辑或熔丝的技术来针对各个段来控制刷新周期,以跳过能够以较低刷新率操作的那些段的某些自刷新周期。 可以减少具有较强存储单元的存储器段中的刷新周期,从而节省需要绘制的电流。