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    • 4. 发明授权
    • Circuit and method for a digital process monitor
    • 数字过程监控的电路和方法
    • US08183910B2
    • 2012-05-22
    • US12495024
    • 2009-06-30
    • Shine ChungFu-Lung Hsueh
    • Shine ChungFu-Lung Hsueh
    • H01L35/00H01L37/00H03K3/42H03K17/78
    • G01R31/3004G01R31/31703
    • A circuit and method for a digital process monitor is disclosed. Circuits for comparing a current or voltage to a current or voltage corresponding to a device having process dependent circuit characteristics are disclosed, having converters for converting current or voltage measurements proportional to the process dependent circuit characteristic to a digital signal and outputting the digital signal for monitoring. The process dependent circuit characteristics may be selected from transistor threshold voltage, transistor saturation current, and temperature dependent quantities. Calibration is performed using digital techniques such as digital filtering and digital signal processing. The digital process monitor circuit may be formed as a scribe line circuit for wafer characterization or placed in an integrated circuit die as a macro. The process monitor circuit may be accessed using probe pads or scan test circuitry. Methods for monitoring process dependent characteristics using digital outputs are disclosed.
    • 公开了一种用于数字处理监视器的电路和方法。 公开了用于将电流或电压与对应于具有过程相关电路特性的器件相对应的电流或电压进行比较的电路,具有用于将与过程相关的电路特性成比例的电流或电压测量值转换为数字信号的转换器,并输出用于监测的数字信号 。 处理相关电路特性可以选自晶体管阈值电压,晶体管饱和电流和温度依赖量。 使用数字滤波和数字信号处理等数字技术进行校准。 数字处理监视电路可以形成为用于晶片表征的划线电路或者作为宏放置在集成电路管芯中。 可以使用探针焊盘或扫描测试电路来访问过程监控电路。 公开了使用数字输出来监视与过程有关的特性的方法。
    • 5. 发明授权
    • Voltage-control oscillator circuits with combined MOS and bipolar device
    • 具有组合MOS和双极器件的压控振荡器电路
    • US07663445B2
    • 2010-02-16
    • US12237187
    • 2008-09-24
    • Shine ChungFu-Lung Hsueh
    • Shine ChungFu-Lung Hsueh
    • H03B5/12
    • H03B5/1228H03B5/1203H03B5/1212H03B5/1215H03B5/1231H03B5/124
    • A voltage controlled oscillator includes: a first merged device having a first bipolar transistor and a first MOS transistor, the first bipolar transistor having a collector sharing a common active area with a source/drain of the first MOS transistor, and an emitter sharing the common active area with another source/drain of the first MOS transistor, a second merged device having a second bipolar transistor and a second MOS transistor, the second bipolar transistor having a collector sharing a common active area with a source/drain of the second MOS transistor, and an emitter sharing the common active area with another source/drain of the second MOS transistor, and a first inductor connected to both the collector of the first bipolar transistor and a base of the second bipolar transistor.
    • 压控振荡器包括:具有第一双极晶体管和第一MOS晶体管的第一合并器件,所述第一双极晶体管具有与第一MOS晶体管的源极/漏极共用公共有效面积的集电极,以及共享公共 具有第一MOS晶体管的另一源/漏极的有源区,具有第二双极晶体管和第二MOS晶体管的第二合并器件,所述第二双极晶体管具有与第二MOS晶体管的源极/漏极共用共用有效面积的集电极 以及与第二MOS晶体管的另一个源极/漏极共用公共有源区域的发射极,以及连接到第一双极晶体管的集电极和第二双极晶体管的基极的第一电感器。
    • 7. 发明申请
    • Automatic Bias Circuit for Sense Amplifier
    • 用于检测放大器的自动偏置电路
    • US20090002058A1
    • 2009-01-01
    • US11769611
    • 2007-06-27
    • Po Yao KerShine ChungFu-Lung Hsueh
    • Po Yao KerShine ChungFu-Lung Hsueh
    • H01H37/76G11C5/14
    • G11C17/18G11C5/147
    • The present invention discloses a bias circuit for a sense amplifier having a device under sensing, the device under sensing having an un-programmed state and a programmed state, the bias circuit comprises at least one first branch having at least one first device formed substantially the same as the device under sensing and remaining in the un-programmed state, and at least one second device formed also substantially the same as the device under sensing and being in the programmed state, wherein the at least one first device and the at least one second device are serially connected. A typical application of the present invention is an electrical fuse memory.
    • 本发明公开了一种用于感测放大器的偏置电路,其具有被感测的器件,该感测器件处于非编程状态和编程状态,该偏置电路包括至少一个第一分支,该第一分支具有至少一个基本上形成 与感测下的设备相同并且保持在未编程状态,并且至少一个第二设备形成也与感测下的设备基本相同并处于编程状态,其中至少一个第一设备和至少一个 第二设备串联连接。 本发明的典型应用是电熔丝存储器。
    • 10. 发明授权
    • Electrical fuse circuit for security applications
    • 电熔丝电路用于安全应用
    • US08030181B2
    • 2011-10-04
    • US12881944
    • 2010-09-14
    • Shine ChungFu-Lung HsuehFu-Chieh Hsu
    • Shine ChungFu-Lung HsuehFu-Chieh Hsu
    • H01L21/326
    • G11C17/18
    • A fuse circuit is disclosed, which comprises at least one electrical fuse element having a resistance that changes after being stressed in an electromigration mode, a switching device serially coupled with the electrical fuse element in a predetermined path between a fuse programming power supply (VDDQ) and a low voltage power supply (GND) for selectively allowing a programming current passing through the electrical fuse element during a programming operation, and at least one peripheral circuit coupled to the VDDQ, wherein the peripheral circuit is active and draws current from the VDDQ during a fuse programming operation.
    • 公开了一种熔丝电路,其包括至少一个电熔丝元件,该电熔丝元件具有在电迁移模式下受到应力之后变化的电阻;开关装置,其在熔丝编程电源(VDDQ)之间的预定路径中与电熔丝元件串联连接, 以及用于在编程操作期间选择性地允许通过电熔丝元件的编程电流的低电压电源(GND),以及耦合到所述VDDQ的至少一个外围电路,其中所述外围电路是有效的并且在VDDQ期间从VDDQ引出电流 保险丝编程操作。