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    • 31. 发明申请
    • ROUTING NETS OVER CIRCUIT BLOCKS IN A HIERARCHICAL CIRCUIT DESIGN
    • 在分层电路设计中通过电路块布线网络
    • US20100325600A1
    • 2010-12-23
    • US12490023
    • 2009-06-23
    • Yi WuDajen HuangKalon S. Holdbrook
    • Yi WuDajen HuangKalon S. Holdbrook
    • G06F17/50
    • G06F17/5077
    • Some embodiments of the present invention provide a system that routes nets over circuit blocks in a hierarchical circuit design. During operation, the system can receive a set of circuit blocks. At least some terminals of the circuit blocks may be desired to be electrically linked together using a net which is expected to be routed over one or more circuit blocks. The system may divide an area associated with a block (e.g., an area in a metal layer which is situated above the block) into a set of tiles. Next, the system may assign costs to at least some of the tiles in the set of tiles. The system can then use the costs during routing. Note that using the costs of the tiles during routing makes it more likely that buffers can be used wherever required to meet slew and timing requirements.
    • 本发明的一些实施例提供一种在分层电路设计中将网络路由到电路块上的系统。 在运行期间,系统可以接收一组电路块。 电路块的至少一些端子可能期望使用期望在一个或多个电路块上布线的网电连接在一起。 系统可以将与块(例如,位于块之上的金属层中的区域)相关联的区域划分成一组瓦片。 接下来,系统可以将成本分配给该组瓦片中的至少一些瓦片。 然后,系统可以在路由期间使用成本。 请注意,在路由期间使用瓦片的成本使得缓冲区更有可能在需要满足压缩和时序要求的地方使用。
    • 35. 发明申请
    • METHODS AND SYSTEM FOR SELECTING GATE SIZES, REPEATER LOCATIONS, AND REPEATER SIZES OF AN INTEGRATED CIRCUIT
    • 用于选择集成电路的栅极尺寸,重复位置和重复尺寸的方法和系统
    • US20100287516A1
    • 2010-11-11
    • US12437174
    • 2009-05-07
    • Salim U. Chowdhury
    • Salim U. Chowdhury
    • G06F17/50
    • G06F17/5031G06F2217/84
    • A method for selecting gate sizes for a logic network of an integrated circuit, wherein the logic network is defined by a plurality of logic paths that includes nodes, gates and interconnect, includes assigning, at one or more computers, gate sizes to gates adjacent to timing path end nodes of the logic network, determining an n-tuple of performance/loading parameters for each of the assigned gate sizes based on gate and interconnect delay models, and determining whether two or more logic paths share a descendant gate. Two or more logic paths that share a descendent gate are coupled. The method also includes grouping the n-tuples of parameters of coupled logic paths into bins based on gate sizes of the shared descendent gate, recursively propagating, node by node, the bins of n-tuples of parameters along the coupled logic paths, detecting whether any of the bins of n-tuples of parameters are suboptimal for all of the coupled logic paths based on a comparison of the n-tuples of parameters in bin-pairs, and eliminating all n-tuples of parameters of the suboptimal bins along the coupled logic paths to prune gate sizes associated with the suboptimal bins.
    • 一种用于选择集成电路的逻辑网络的栅极尺寸的方法,其中所述逻辑网络由包括节点,栅极和互连件的多个逻辑路径定义,包括在一个或多个计算机处将栅极尺寸分配给与其相邻的栅极 逻辑网络的定时路径端节点,基于门和互连延迟模型确定每个分配的门尺寸的性能/负载参数的n元组,​​以及确定两个或多个逻辑路径是否共享后代门。 共享后代门的两个或多个逻辑路径被耦合。 该方法还包括基于共享后代门的栅极大小,逐个递归地传播耦合的逻辑路径的n个元组,将沿着耦合逻辑路径的n元组的元组分组,检测是否 基于对二进制对参数的n元组的比较,并且消除所有耦合的逻辑路径中n个元组的任何一个n个元组,沿着耦合的 修剪与次佳箱相关的门尺寸的逻辑路径。
    • 37. 发明申请
    • DATA CARTRIDGE AND TAPE LIBRARY INCLUDING FLASH MEMORY
    • 数据盒和磁带库包括闪存
    • US20100280651A1
    • 2010-11-04
    • US12433307
    • 2009-04-30
    • Dwayne A. EdlingMark L. Watson
    • Dwayne A. EdlingMark L. Watson
    • G06F7/00G06F12/00G06F12/14
    • G06F3/0649G06F3/061G06F3/0686G11B15/6835G11B23/042G11B27/002G11B2220/41G11B2220/655
    • A data storage system for use with a plurality of tape cartridges is provided. Each tape cartridge includes a length of tape media and an amount of flash memory. The data storage system includes a tape cartridge library having a plurality of storage cells. Each storage cell is configured to store a tape cartridge. The tape cartridge library further includes a plurality of tape drives. Each tape drive is configured to access a tape cartridge when the tape cartridge is received in the tape drive. The system further includes a robotic tape mover and a flash memory access mechanism. The robotic tape mover moves tape cartridges between the plurality of storage cells and the plurality of tape drives. The flash memory access mechanism is configured in the tape cartridge library to access the flash memory of a tape cartridge when the tape cartridge is in the tape cartridge library.
    • 提供了一种用于多个磁带盒的数据存储系统。 每个磁带盒包括一定长度的磁带介质和一定量的闪存。 数据存储系统包括具有多个存储单元的带盒库。 每个存储单元被配置为存储磁带盒。 带盒库还包括多个磁带驱动器。 每个磁带驱动器都配置为在磁带驱动器中接收磁带时访问磁带盒。 该系统还包括机器人磁带机和闪存存取机构。 机器人磁带移动器在多个存储单元和多个磁带驱动器之间移动磁带盒。 当磁带盒位于磁带库中时,闪存存取存取机构配置在磁带库中,以访问磁带盒的闪存。