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    • 4. 发明授权
    • Mask-programmable logic device with programmable input/output ports
    • 具有可编程输入/输出端口的面罩可编程逻辑器件
    • US07304496B2
    • 2007-12-04
    • US11117588
    • 2005-04-28
    • Hee Kong PhoonKian Chin Yap
    • Hee Kong PhoonKian Chin Yap
    • H03K19/173H03K19/00
    • H03K19/17748H03K19/17744H03K19/17796
    • A mask-programmable logic device includes a macrocell having an external input/output port for “place-and-route” programming by addition of metallization layers. A programmable “fixed” layer allows the external input/output port to be isolated from the remainder of the macrocell so that it “floats,” allowing signals to be routed through the external input/output port when the macrocell is not in use, to reduce routing blockages. The macrocell also may have at least one internal input/output port, potentially connected to different logic circuits, and a programmable “fixed” layer that can be used to control which internal input/output port is connected to the external input/output port. By thus allowing multiple logic circuits to share a single external input/output port, routing blockages are reduced.
    • 掩模可编程逻辑器件包括具有用于通过添加金属化层进行“放置和路由”编程的外部输入/输出端口的宏单元。 可编程“固定”层允许外部输入/输出端口与宏单元的其余部分隔离,使其“浮动”,当宏单元未被使用时允许信号通过外部输入/输出端口路由到 减少路由阻塞。 宏单元还可以具有至少一个可能连接到不同逻辑电路的内部输入/输出端口以及可用于控制哪个内部输入/输出端口连接到外部输入/输出端口的可编程“固定”层。 通过这样允许多个逻辑电路共享单个外部输入/输出端口,减少了路由阻塞。
    • 8. 发明授权
    • Programmable soft macro memory using gate array base cells
    • 使用门阵列基本单元的可编程软宏存储器
    • US07305640B1
    • 2007-12-04
    • US10987986
    • 2004-11-12
    • Hee Kong PhoonBoon Jin AngWei Yee KoayBee Yee Ng
    • Hee Kong PhoonBoon Jin AngWei Yee KoayBee Yee Ng
    • G06F17/50
    • G06F17/5068
    • A system generates memory unit designs tailored to requirements. The system receives a set of specifications for one or more memory units. The set of specifications includes the memory type, the number of memory access ports, and the data width. The system assembles a memory unit schematic from a library of schematic modules defining memory unit components, including memory cells, address decoders, registers, drivers, sense amplifiers, and optionally self-testing components. The system creates a layout for the memory unit from a library of layout modules corresponding to the library of schematic modules. The library of layout modules includes memory unit floorplans specifying the location of layout modules within a memory unit. The system selects from different memory unit floorplans to create an optimized memory unit layout. The memory unit schematic can be validated using functional testing methods. The system processes the memory unit layout to produce a device configuration.
    • 系统生成适合要求的内存单元设计。 系统接收一组或多个存储单元的规格。 该组规范包括内存类型,内存访问端口数量和数据宽度。 该系统从定义存储器单元组件的原理图模块库中组装存储器单元原理图,包括存储器单元,地址解码器,寄存器,驱动器,读出放大器以及可选择的自检部件。 系统从与原理图模块库相对应的布局模块库创建存储单元的布局。 布局模块库包括指定布局模块在存储器单元内的位置的存储单元平面图。 系统从不同的存储单元平面图中选择以创建优化的存储器单元布局。 存储单元原理图可以使用功能测试方法进行验证。 系统处理存储器单元布局以产生器件配置。