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    • 13. 发明授权
    • Cell library database and design aiding system
    • 细胞库数据库和设计辅助系统
    • US06490715B1
    • 2002-12-03
    • US09550352
    • 2000-04-14
    • Toshiyuki MoriwakiShiro SakiyamaHiroo YamamotoJun KajiwaraMasayoshi Kinoshita
    • Toshiyuki MoriwakiShiro SakiyamaHiroo YamamotoJun KajiwaraMasayoshi Kinoshita
    • G06F1750
    • G06F17/5022
    • A cell library database includes function information of standard cells which are basic circuits forming a logical device, each of the standard cell comprising at least one of power supply terminal as logical terminals, the function information of the standard cell containing logical information or delay information of the power supply terminal relative to an output terminal, or function information of macro cells which are functional circuits forming a logical device, each of the macro cell comprising at least one of power supply terminals as logical terminals, the function information of the macro cell containing logical information or delay information of said power supply terminals relative to an output terminal. A design aiding system uses the cell library database to execute logical simulation, etc.
    • 单元库数据库包括作为形成逻辑装置的基本电路的标准单元的功能信息,标准单元中的每一个包括作为逻辑端的电源端子中的至少一个,包含逻辑信息或延迟信息的标准单元的功能信息 所述电源端子相对于输出端子,或作为形成逻辑装置的功能电路的宏电池的功能信息,所述宏电池单元包括作为逻辑端子的电源端子中的至少一个,所述宏单元的功能信息包含 所述电源端子相对于输出端子的逻辑信息或延迟信息。 设计辅助系统使用单元库数据库执行逻辑仿真等。
    • 16. 发明授权
    • Signal transmission circuit
    • 信号传输电路
    • US07369618B2
    • 2008-05-06
    • US11132206
    • 2005-05-19
    • Keiichi KusumotoToshiyuki MoriwakiTsuguyasu HatsudaTetsurou Toubou
    • Keiichi KusumotoToshiyuki MoriwakiTsuguyasu HatsudaTetsurou Toubou
    • H04B3/00
    • H04L25/028H04L25/0292H04L25/03878
    • A signal is transmitted in synchronization with a clock signal that repeats H and L levels indicating a preparation period and a transmission period, respectively. A transmitting circuit includes a transmitting capacitor, an input switch for setting a voltage in accordance with an input digital signal in the transmitting capacitor at preparation period, and a transmitting switch for generating a small voltage change in the signal line at transmission period, the voltage change being in accordance with a voltage of the transmitting capacitor. A receiving circuit includes an inverter with a CMOS configuration, a receiving capacitor inserted between an input terminal and an output terminal of the inverter, an equalizing switch for short-circuiting the input terminal and the output terminal of the inverter so as to set the voltage of the signal line to a predetermined voltage at preparation period, and a latch for supplying an output digital signal by performing logic amplification of the voltage of the output terminal of the inverter for each transmission period, and for holding the output for each preparation period.
    • 与重复分别表示准备期间和发送期间的H,L电平的时钟信号同步地发送信号。 发送电路包括发送电容器,用于在准备期间根据发送电容器中的输入数字信号设定电压的输入开关和用于在发送期间产生信号线中的小电压变化的发送开关, 根据发送电容器的电压进行变化。 接收电路包括具有CMOS配置的反相器,插入在反相器的输入端子和输出端子之间的接收电容器,用于使逆变器的输入端子和输出端子短路的均衡开关,以便设置电压 的信号线在预备期间达到预定电压,以及锁存器,用于通过在每个传输周期内执行对逆变器的输出端子的电压的逻辑放大来提供输出数字信号,并且用于保持每个准备周期的输出。