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    • 4. 发明申请
    • Method and Apparatus for Tie Net Routing
    • 铁网路由方法与装置
    • US20080263493A1
    • 2008-10-23
    • US11737280
    • 2007-04-19
    • Christopher J BerryAlan Wagstaff
    • Christopher J BerryAlan Wagstaff
    • G06F17/50
    • G06F17/5077G06F2217/78
    • A method of performing tie net routing within an integrated circuit chip is disclosed without using wiring. Due to repeated use of designs in modern chip, there are often unused portions of the design that need to be connected permanently to a local logical1 or logical 0. These connections, known as tie nets, are not timing critical signals that, when poorly implemented can get in the way of functional signals in an integrated circuit. The current method is to connect the pin to the nearest power connections of the correct polarity. This requires some amount of wiring resources that may be needed for other functions or pin access. Accordingly, the present invention avoids this situation by avoiding wiring.
    • 在不使用布线的情况下公开了在集成电路芯片内执行连接网路由的方法。 由于在现代芯片中重复使用设计,通常设计中未使用的部分需要永久连接到本地逻辑1或逻辑0。这些连接称为连接网络不是时序关键信号,当执行不良时 可以阻碍集成电路中的功能信号。 目前的方法是将引脚连接到正确极性的最近的电源连接。 这需要一些其他功能或引脚访问可能需要的接线资源。 因此,本发明通过避免布线来避免这种情况。
    • 7. 发明申请
    • Method for Replicating and Synchronizing a Plurality of Physical Instances with a Logical Master
    • 使用逻辑主机复制和同步多个物理实例的方法
    • US20080059952A1
    • 2008-03-06
    • US11468031
    • 2006-08-29
    • Gary A. Van HubenDavid A. WebberChristopher J. Berry
    • Gary A. Van HubenDavid A. WebberChristopher J. Berry
    • G06F9/44
    • G06F17/30575G06F11/2094
    • Design Data Management uses one copy of common data sets along with a plurality of instances, while continuing to utilize the existing design databases and existing CAD tools. Allowing a minimum amount of user intervention to create and maintain the common data set, Design Data Management employs replicating common data sets into one or more clone data sets. The method preferred provides for replicating and synchronizing one or more data sets with a master data set, comprises providing data design management of a master data set and at least one clone data set, and copying a master physical design data set into one or more physical instances to enable customization of said one or more physical instances. The master data set describes at least one of: a design component, a circuit macro, and a circuit entity, and comprises logical data sets, and it comprise physical design data sets. This permits all existing verification processes that are normally executed against the common data set to also be equally applied to the clones of said data set by way of automatic synchronization between of the common dataset and the clones.
    • 设计数据管理使用一个共同的数据集副本以及多个实例,同时继续利用现有的设计数据库和现有的CAD工具。 允许最小量的用户干预来创建和维护公共数据集,设计数据管理使用将一般数据集复制到一个或多个克隆数据集中。 该方法优选地提供用于复制和同步一个或多个数据集与主数据集,包括提供主数据集和至少一个克隆数据集的数据设计管理,以及将主物理设计数据集复制到一个或多个物理 允许定制所述一个或多个物理实例的实例。 主数据集描述了设计组件,电路宏和电路实体中的至少一个,并且包括逻辑数据集,并且它包括物理设计数据集。 这允许通常针对公共数据集执行的所有现有验证过程也可以通过公共数据集和克隆之间的自动同步同样地应用于所述数据集的克隆。