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    • 3. 发明授权
    • Logic emulation module and logic emulation board
    • 逻辑仿真模块和逻辑仿真板
    • US06829574B1
    • 2004-12-07
    • US09328800
    • 1999-06-09
    • Hiroshi ItoAkira YamagiwaNobuaki EjimaRyoichi KuriharaMasakazu SakaueYasuhiro Uemura
    • Hiroshi ItoAkira YamagiwaNobuaki EjimaRyoichi KuriharaMasakazu SakaueYasuhiro Uemura
    • G06F9455
    • G06F17/5027H01L2224/16H01L2924/13091H01L2924/00
    • Disclosed herein is an improved logic module used for logic emulation along with an enhanced logic emulation board subject to logic verification. The logic module has a plurality of programmable LSIs capable of programming logic and a plurality of switching LSIs capable of programming connections, the LSIs being mounted on one or both sides of a board. Peripheral portions of the board carry connectors for electrical connection to the outside. There are two types of data lines: those directly coupling the connectors to the programmable LSIs, and those linking the connectors to the programmable LSIs via the switching LSIs. The programmable and switching LSIs constitute a crossbar connection arrangement. The logic emulation board has connectors for connection to a logic emulation module, and lands for supporting LSIs targeted for development. Pins of the connectors and the lands are interconnected on a one-to-one basis. Also disclosed here is an upgraded module structure permitting a multiple-stage module setup together with an advanced cooling structure for modules.
    • 这里公开了一种用于逻辑仿真的改进的逻辑模块以及经过逻辑验证的增强型逻辑仿真板。 逻辑模块具有能够编程逻辑的多个可编程LSI和能够编程连接的多个开关LSI,LSI安装在板的一侧或两侧。 板的外围部分携带用于与外部电连接的连接器。 有两种类型的数据线:将连接器直接耦合到可编程LSI的数据线,以及通过开关LSI将连接器连接到可编程LSI的那些。 可编程和开关式LSI构成了一种交叉连接装置。 逻辑仿真板具有用于连接到逻辑仿真模块的连接器,并且用于支持用于开发的LSI的接地。 连接器和焊盘的引脚是以一对一的方式相互连接的。 这里还公开了一种升级的模块结构,允许多级模块与模块的先进冷却结构一起设置。
    • 4. 发明授权
    • Signal transmitting device suited to fast signal transmission
    • 信号传输设备适合快速信号传输
    • US08106677B2
    • 2012-01-31
    • US12844048
    • 2010-07-27
    • Toshitsugu TakekumaRyoichi KuriharaAkira Yamagiwa
    • Toshitsugu TakekumaRyoichi KuriharaAkira Yamagiwa
    • H03K19/003
    • H04L25/0298G06F13/4072G06F13/4086H04B3/02H04L25/0278H04L25/028H04L25/0292H05K1/0216H05K1/0237H05K1/14
    • A signal transmitting circuit includes a circuit block having a driving circuit and an intra-block transmission line for transmitting a signal from the driving circuit, a circuit block having a receiving circuit and an intra-block transmission line for transmitting the signal to said receiving circuit, and a main interblock transmission line for propagating a signal between the driving and receiving circuit blocks. The inter-block transmission line is terminated by a resistor having substantially the same impedance as the interblock transmission line. The intra-block transmission lines are provided with a resistance element having a resistance substantially equal to a value derived by subtracting half of an impedance of the inter-block transmission line from an impedance of the intra-block transmission line, to lower signal amplitude and suppress reflections of a signal at branch points along the main interblock transmission line, thereby enabling a high-speed signal transfer.
    • 信号发送电路包括具有用于发送来自驱动电路的信号的驱动电路和块内传输线路的电路块,具有接收电路的电路块和用于将信号发送到所述接收电路的块内传输线路 以及用于在驱动和接收电路块之间传播信号的主块间传输线。 块间​​传输线由具有与块间传输线基本上相同阻抗的电阻端接。 块内传输线路设置有电阻元件,其电阻基本上等于通过将块间传输线路的阻抗的一半从块内传输线路的阻抗减去一半到更低的信号幅度, 抑制沿着主块间传输线的分支点处的信号的反射,从而实现高速信号传送。
    • 5. 发明授权
    • Signal transmitting device suited to fast signal transmission
    • 信号传输设备适合快速信号传输
    • US07911224B2
    • 2011-03-22
    • US12116541
    • 2008-05-07
    • Toshitsugu TakekumaRyoichi KuriharaAkira Yamagiwa
    • Toshitsugu TakekumaRyoichi KuriharaAkira Yamagiwa
    • H03K19/003
    • H04L25/0298G06F13/4072G06F13/4086H04B3/02H04L25/0278H04L25/028H04L25/0292H05K1/0216H05K1/0237H05K1/14
    • A signal transmitting circuit includes a circuit block having a driving circuit and an intra-block transmission line for transmitting a signal from the driving circuit, a circuit block having a receiving circuit and an intra-block transmission line for transmitting the signal to said receiving circuit, and a main interblock transmission line for propagating a signal between the driving and receiving circuit blocks. The inter-block transmission line is terminated by a resistor having substantially the same impedance as the interblock transmission line. The intra-block transmission lines are provided with a resistance element having a resistance substantially equal to a value derived by subtracting half of an impedance of the inter-block transmission line from an impedance of the intra-block transmission line, to lower signal amplitude and suppress reflections of a signal at branch points along the main interblock transmission line, thereby enabling a high-speed signal transfer.
    • 信号发送电路包括具有用于发送来自驱动电路的信号的驱动电路和块内传输线路的电路块,具有接收电路的电路块和用于将信号发送到所述接收电路的块内传输线路 以及用于在驱动和接收电路块之间传播信号的主块间传输线。 块间​​传输线由具有与块间传输线基本上相同阻抗的电阻端接。 块内传输线路设置有电阻元件,其电阻基本上等于通过将块间传输线路的阻抗的一半从块内传输线路的阻抗减去一半到更低的信号幅度, 抑制沿着主块间传输线的分支点处的信号的反射,从而实现高速信号传送。
    • 10. 发明申请
    • SIGNAL TRANSMITTING DEVICE SUITED TO FAST SIGNAL TRANSMISSION
    • 信号发送装置,用于快速信号传输
    • US20090015289A1
    • 2009-01-15
    • US12116541
    • 2008-05-07
    • Toshitsugu TakekumaRyoichi KuriharaAkira Yamagiwa
    • Toshitsugu TakekumaRyoichi KuriharaAkira Yamagiwa
    • H03K19/003H03K19/0175
    • H04L25/0298G06F13/4072G06F13/4086H04B3/02H04L25/0278H04L25/028H04L25/0292H05K1/0216H05K1/0237H05K1/14
    • A signal transmitting circuit includes a circuit block having a driving circuit and an intra-block transmission line for transmitting a signal from the driving circuit, a circuit block having a receiving circuit and an intra-block transmission line for transmitting the signal to said receiving circuit, and a main interblock transmission line for propagating a signal between the driving and receiving circuit blocks. The inter-block transmission line is terminated by a resistor having substantially the same impedance as the interblock transmission line. The intra-block transmission lines are provided with a resistance element having a resistance substantially equal to a value derived by subtracting half of an impedance of the inter-block transmission line from an impedance of the intra-block transmission line, to lower signal amplitude and suppress reflections of a signal at branch points along the main interblock transmission line, thereby enabling a high-speed signal transfer.
    • 信号发送电路包括具有用于发送来自驱动电路的信号的驱动电路和块内传输线路的电路块,具有接收电路的电路块和用于将信号发送到所述接收电路的块内传输线路 以及用于在驱动和接收电路块之间传播信号的主块间传输线。 块间​​传输线由具有与块间传输线基本上相同阻抗的电阻端接。 块内传输线路设置有电阻元件,其电阻基本上等于通过将块间传输线路的阻抗的一半从块内传输线路的阻抗减去一半到更低的信号幅度, 抑制沿着主块间传输线的分支点处的信号的反射,从而实现高速信号传送。