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    • 94. 发明授权
    • Methods, design structures, and systems for current mode logic (CML) differential driver ESD protection circuitry
    • 电流模式逻辑(CML)差分驱动器ESD保护电路的方法,设计结构和系统
    • US07826188B2
    • 2010-11-02
    • US12140485
    • 2008-06-17
    • Robert J. Gauthier, Jr.Junjun LiAnkit Srivastava
    • Robert J. Gauthier, Jr.Junjun LiAnkit Srivastava
    • H02H9/00H01C7/12H02H1/00H02H1/04H02H3/22H02H9/06
    • H03F3/45188H01L27/0251H03F1/52H03F1/523H03F2203/45466H03F2203/45486H03F2203/45504
    • A hardware description language (HDL) design structure encoded on a machine readable data storage medium, the HDL design comprising elements that when processed in a computer aided design system generates a machine executable representation of a device for implementing dynamic refresh protocols for DRAM based cache. The HDL design structure further comprises an integrated circuit having a differential driver, comprising: a first driver and a second driver forming the differential driver, the drivers are coupled in parallel between a first voltage source and a second voltage source; a first switch coupled to the first driver and configured to turn off the first driver during an ESD event such that the first driver sustains stress during the ESD event; and a second switch coupled to the second driver and configured to turn off the second driver during the ESD event such that the second driver sustains stress during the ESD event.
    • 在机器可读数据存储介质上编码的硬件描述语言(HDL)设计结构,所述HDL设计包括在计算机辅助设计系统中处理时的元件,生成用于实现基于DRAM的高速缓存的动态刷新协议的设备的机器可执行表示。 HDL设计结构还包括具有差分驱动器的集成电路,包括:形成差分驱动器的第一驱动器和第二驱动器,驱动器并联耦合在第一电压源和第二电压源之间; 第一开关,其耦合到所述第一驱动器并且被配置为在ESD事件期间关闭所述第一驱动器,使得所述第一驱动器在所述ESD事件期间保持应力; 以及耦合到所述第二驱动器并被配置为在所述ESD事件期间关闭所述第二驱动器的第二开关,使得所述第二驱动器在所述ESD事件期间维持应力。
    • 95. 发明申请
    • Electrical Overstress Protection Circuit
    • 电气过载保护电路
    • US20100246076A1
    • 2010-09-30
    • US12632015
    • 2009-12-07
    • John B. Campi, JR.Shunhua T. ChangKiran V. ChattyRobert J. Gauthier, JR.Junjun LiMujahid Muhammad
    • John B. Campi, JR.Shunhua T. ChangKiran V. ChattyRobert J. Gauthier, JR.Junjun LiMujahid Muhammad
    • H02H9/00G06F17/50
    • H01L27/0251G06F17/5045
    • A semiconductor circuit for electric overstress (EOS) protection is provided. The semiconductor circuit employs an electrostatic discharge (ESD) protection circuit, which has a resistor-capacitor (RC) time-delay network connected to a discharge capacitor. An electronic component that has voltage snapback property or a diodic behavior is connected to alter the logic state of the gate of the discharge transistor under an EOS event. Particularly, the electronic component is configured to turn on the gate of the discharge capacitor throughout the duration of an electrical overstress (EOS) condition as well as throughout the duration of an ESD event. A design structure may be employed to design or manufacture a semiconductor circuit that provides protection against an EOS condition without time limitation, i.e., without being limited by the time constant of the RC time delay network for EOS events that last longer than 1 microsecond.
    • 提供了一种用于电力过应力(EOS)保护的半导体电路。 半导体电路采用静电放电(ESD)保护电路,其具有连接到放电电容器的电阻 - 电容(RC)延时网络。 连接具有电压骤回特性或二极管行为的电子部件,以改变在EOS事件下放电晶体管的栅极的逻辑状态。 特别地,电子部件被配置成在电应力(EOS)条件以及ESD事件的整个持续时间期间打开放电电容器的栅极。 可以采用设计结构来设计或制造半导体电路,该半导体电路在没有时间限制的情况下提供针对EOS状态的保护,即不受时间长度超过1微秒的EOS事件的RC时间延迟网络的时间常数的限制。
    • 96. 发明申请
    • ELECTROSTATIC DISCHARGE POWER CLAMP WITH IMPROVED ELECTRICAL OVERSTRESS ROBUSTNESS
    • 静电放电电源钳具有改进的电气过载稳定性
    • US20090268359A1
    • 2009-10-29
    • US12109820
    • 2008-04-25
    • Kiran V. ChattyRobert J. Gauthier, JR.Junjun Li
    • Kiran V. ChattyRobert J. Gauthier, JR.Junjun Li
    • H02H9/04
    • H02H9/046
    • An apparatus for protecting an integrated circuit from electrostatic discharge (ESD) and electrical overstress (EOS) events includes a resistor/capacitor (RC) triggering device configured between a pair of power rails; a silicon controlled rectifier (SCR) triggered by the RC triggering device during an ESD event, wherein the SCR, when activated, acts as a power rail voltage clamp; and a field effect transistor (FET) coupled between the RC triggering device and the SCR, wherein the FET serves as an integrated part of the RC triggering device that triggers the SCR during the ESD event; and wherein the FET also operates in a snapback mode to trigger the SCR during an EOS event that is slower in comparison to the ESD event such that the EOS event would not otherwise cause triggering of the SCR via the RC triggering device itself.
    • 用于保护集成电路免受静电放电(ESD)和电过载(EOS)事件的装置包括:在一对电源轨之间配置的电阻/电容器(RC)触发装置; 在ESD事件期间由RC触发装置触发的可控硅整流器(SCR),其中所述SCR在被激活时用作电力轨道电压钳位; 以及耦合在RC触发装置和SCR之间的场效应晶体管(FET),其中所述FET用作在ESD事件期间触发SCR的RC触发装置的集成部分; 并且其中所述FET还以快速恢复模式操作以在与ESD事件相比较慢的EOS事件期间触发SCR,使得EOS事件不会通过RC触发装置本身引起触发SCR。