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    • 2. 发明授权
    • Frequency-agile strobe window generation
    • 频敏捷频闪窗生成
    • US08824224B2
    • 2014-09-02
    • US13545255
    • 2012-07-10
    • Frederick A. WareBrian S. LeibowitzEly Tsern
    • Frederick A. WareBrian S. LeibowitzEly Tsern
    • G11C19/00
    • G11C29/023G06F13/1689G11C7/1066G11C29/022G11C29/028H03K5/135
    • The disclosed embodiments relate to components of a memory system that support frequency-agile strobe enable window generation during read accesses. In specific embodiments, this memory system contains a memory controller which includes a timing circuit to synchronize a timing-enable signal with a timing signal returned from a read path, wherein the timing signal includes a delay from the read path. In some embodiments, the timing circuit further comprises two calibration loops. The first calibration loop tracks the timing-enable signal with respect to a cycle-dependent delay in the delay, wherein the cycle-dependent delay depends on a frequency of the strobe signal. The second calibration loop tracks the timing-enable signal with respect to a cycle-independent delay in the delay, wherein the cycle-independent delay does not depend on the frequency of the strobe signal. In some embodiments, the first calibration loop and the second calibration loop are cascaded.
    • 所公开的实施例涉及在读取访问期间支持频率敏捷选通使能窗口生成的存储器系统的组件。 在具体实施例中,该存储器系统包括存储器控制器,其包括定时电路,以使定时使能信号与从读取路径返回的定时信号同步,其中定时信号包括来自读取路径的延迟。 在一些实施例中,定时电路还包括两个校准回路。 第一校准环路相对于延迟中的与周期相关的延迟跟踪定时使能信号,其中周期相关延迟取决于选通信号的频率。 第二校准环路相对于延迟中的与周期无关的延迟来跟踪定时使能信号,其中周期无关延迟不依赖于选通信号的频率。 在一些实施例中,级联第一校准回路和第二校准回路。
    • 5. 发明授权
    • Apparatus and method including a memory device having multiple sets of memory banks with duplicated data emulating a fast access time, fixed latency memory device
    • 装置和方法包括具有多组存储器组的存储器件,具有模拟快速存取时间的复制数据,固定延迟存储器件
    • US07454555B2
    • 2008-11-18
    • US10865398
    • 2004-06-10
    • Frederick A. WareEly TsernSteven WooRichard E. Perego
    • Frederick A. WareEly TsernSteven WooRichard E. Perego
    • G06F12/00
    • G11C11/413G11C7/1006G11C7/1039G11C7/1045G11C7/22G11C8/12
    • An apparatus includes two multi-bank memory devices for storing duplicate data in each memory bank in an embodiment of the invention. The two memory devices are able to replace a more expensive fast-cycle, fixed latency single memory device. In an embodiment of the invention, a memory controller includes controller logic and a plurality of write buffers for interleaving write transactions to each memory bank in the two memory devices. A memory controller also includes tag memory for identifying valid data in the memory banks. In another embodiment of the invention, a game console includes the apparatus and executes game software that requires fixed latency in a mode of operation. In yet another embodiment of the invention, each memory device is coupled to respective write channels. Write data is simultaneously written to two memory banks in respective sets of memory banks in a memory device in an embodiment of the present invention. In an alternate embodiment of the present invention, an apparatus includes four memory devices for storing duplicate data with each memory device having a set of memory banks. The four memory devices are coupled to a controller by four respective write channels.
    • 在本发明的实施例中,一种装置包括用于在每个存储体中存储重复数据的两个多存储体存储器件。 两个存储器件能够替代更昂贵的快速循环,固定延迟单个存储器件。 在本发明的实施例中,存储器控制器包括控制器逻辑和用于将写入事务交织到两个存储器件中的每个存储体的多个写入缓冲器。 存储器控制器还包括用于识别存储体中的有效数据的标签存储器。 在本发明的另一个实施例中,游戏机包括该装置并执行在操作模式中需要固定等待时间的游戏软件。 在本发明的另一个实施例中,每个存储器件耦合到相应的写入通道。 在本发明的一个实施例中,写入数据被同时写入存储器装置中相应存储体组中的两个存储体。 在本发明的替代实施例中,一种装置包括四个用于存储与具有一组存储器组的每个存储器件重复数据的存储器件。 四个存储器件通过四个相应的写通道耦合到控制器。
    • 6. 发明授权
    • Configurable width buffered module having switch elements
    • 可配置宽度缓冲模块,具有开关元件
    • US07404032B2
    • 2008-07-22
    • US10889852
    • 2004-07-13
    • Fred WareRichard PeregoEly Tsern
    • Fred WareRichard PeregoEly Tsern
    • G06F12/00
    • G06F13/1684G11C5/04G11C7/10G11C29/02G11C29/028G11C29/50012G11C2029/1806H05K1/181
    • A memory system architecture/interconnect topology includes a configurable width buffered memory module having a configurable width buffer device with at least one switch element. A buffer device, such as a configurable width buffer device, is positioned between or with at least one integrated circuit memory device positioned on a substrate surface of a memory module, such as a DIMM. A switch element is positioned on or off a memory module and includes two transistors in embodiments of the invention. One or more switch elements are coupled to one or more channels to allow for upgrades of memory modules in a memory system. An asymmetrical switch topology allows for increasing the number of memory modules to more than two memory modules without adding switch elements serially on each channel. Switch elements allow for increasing the number of ranks of memory modules in a system, while also achieving many of the benefits associated with point-to-point topology.
    • 存储器系统架构/互连拓扑包括具有可配置宽度缓冲器件的可配置宽度缓冲存储器模块,其具有至少一个开关元件。 诸如可配置的宽度缓冲器装置之类的缓冲装置被定位在位于诸如DIMM之类的存储器模块的衬底表面上的至少一个集成电路存储器件之间或之间。 开关元件位于或离开存储器模块,并且在本发明的实施例中包括两个晶体管。 一个或多个开关元件耦合到一个或多个通道以允许存储器系统中的存储器模块的升级。 不对称开关拓扑允许将多个存储器模块增加到两个以上的存储器模块,而不是在每个通道上串行地添加开关元件。 交换机元件允许增加系统中内存模块的数量,同时也可以实现与点对点拓扑相关的许多优点。
    • 8. 发明授权
    • System having a controller device, a buffer device and a plurality of memory devices
    • 具有控制器装置,缓冲装置和多个存储装置的系统
    • US07320047B2
    • 2008-01-15
    • US11136995
    • 2005-05-25
    • Richard E. PeregoStefanos SidiropoulosEly Tsern
    • Richard E. PeregoStefanos SidiropoulosEly Tsern
    • G06F12/00
    • G11C29/028G06F13/1673G06F13/1684G11C5/04G11C7/10G11C29/02G11C29/50012
    • A system comprises a controller device, an integrated circuit buffer device and a first and second memory device. A first plurality of signal lines is coupled to the controller device. A second plurality of signal lines is coupled to the first memory device and the integrated circuit buffer device. The second plurality of signal lines carries first address information from the integrated circuit buffer device to the first memory device. A third plurality of signal lines is coupled to the first memory device and the integrated circuit buffer device. The third plurality of signal lines carries first control information from the integrated circuit buffer device to the first memory device. A first signal line is coupled to the first memory device and the integrated circuit buffer device. The first signal line carries a first signal from the integrated circuit buffer device to the first memory device. The first signal synchronizes communication of the first control information from the integrated circuit buffer device to the first memory device.
    • 一种系统包括控制器装置,集成电路缓冲装置以及第一和第二存储装置。 第一多个信号线耦合到控制器设备。 第二多个信号线耦合到第一存储器件和集成电路缓冲器件。 第二多个信号线将第一地址信息从集成电路缓冲器装置传送到第一存储器件。 第三组信号线耦合到第一存储器件和集成电路缓冲器件。 第三多个信号线将第一控制信息从集成电路缓冲器装置传送到第一存储器件。 第一信号线耦合到第一存储器件和集成电路缓冲器件。 第一信号线将来自集成电路缓冲器件的第一信号传送到第一存储器件。 第一信号使来自集成电路缓冲器的第一控制信息与第一存储器件的通信同步。
    • 10. 发明申请
    • Clock distribution network supporting low-power mode
    • 时钟分配网络支持低功耗模式
    • US20070146038A1
    • 2007-06-28
    • US11318290
    • 2005-12-22
    • Carl WernerEly Tsern
    • Carl WernerEly Tsern
    • G06F1/04
    • G06F1/04
    • A clock distribution network locks a local clock signal to a reference clock signal using a first feedback loop associated with a synchronization circuit (e.g., a PLL or a DLL). The local clock signal can then be selectively distributed to a plurality of clock destination nodes via a clock network. Clock distribution may be disabled as needed to save power. The first feedback loop is active irrespective of whether clock distribution is enabled. The delay through the clock network may drift due to temperature and supply-voltage fluctuations, which introduces phase errors in the distributed clock signals. A second feedback loop is activated when clock distribution is enabled to compensate for this drift.
    • 时钟分配网络使用与同步电路(例如,PLL或DLL)相关联的第一反馈回路将本地时钟信号锁定到参考时钟信号。 然后可以经由时钟网络选择性地将本地时钟信号分配给多个时钟目的地节点。 可根据需要禁用时钟分配以节省电量。 无论时钟分配是否启用,第一个反馈回路都处于活动状态。 通过时钟网络的延迟可能由于温度和电源电压波动而漂移,这引起了分布式时钟信号中的相位误差。 当启用时钟分配来补偿此漂移时,第二个反馈环路被激活。