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    • 7. 发明授权
    • Hardened programmable devices
    • 硬化可编程器件
    • US08716809B2
    • 2014-05-06
    • US13338701
    • 2011-12-28
    • Andy L. LeeJeffrey T. Watt
    • Andy L. LeeJeffrey T. Watt
    • H01L21/70
    • H03K19/173G11C5/005H01L27/0207H03K19/1736H03K19/17784
    • Hardened programmable logic devices are provided with programmable circuitry. The programmable circuitry may be hardwired to implement a custom logic circuit. Generic fabrication masks may be used to form the programmable circuitry and may be used in manufacturing a product family of hardened programmable logic devices, each of which may implement a different custom logic circuit. Custom fabrication masks may be used to hardwire the programmable circuitry to implement a specific custom logic circuit. The programmable circuitry may be hardwired in such a way that signal timing characteristics of a hardened programmable logic device that implements a custom logic circuit may match the signal timing characteristics of a programmable logic device that implements the same custom logic circuit using configuration data.
    • 硬化可编程逻辑器件提供有可编程电路。 可编程电路可以是硬连线的,以实现定制逻辑电路。 可以使用通用制造掩模来形成可编程电路,并且可以用于制造硬化的可编程逻辑器件的产品系列,每一个可以实现不同的定制逻辑电路。 可以使用定制制造掩模来硬编程电路来实现特定的定制逻辑电路。 可编程电路可以是硬连线的,使得实现定制逻辑电路的硬化可编程逻辑器件的信号定时特性可以匹配使用配置数据实现相同定制逻辑电路的可编程逻辑器件的信号定时特性。
    • 8. 发明授权
    • High performance memory interface circuit architecture
    • 高性能存储器接口电路架构
    • US08593195B1
    • 2013-11-26
    • US13614526
    • 2012-09-13
    • Joseph HuangChiakang SungPhilip PanYan ChongAndy L. LeeBrian D. Johnson
    • Joseph HuangChiakang SungPhilip PanYan ChongAndy L. LeeBrian D. Johnson
    • H03H11/16
    • H03L7/0812G11C7/22G11C7/222H03L7/0805
    • A programmable memory interface circuit includes a programmable DLL delay chain, a phase offset control circuit and a programmable DQS delay chain. The DLL delay chain uses a set of serially connected delay cells, a programmable switch, a phase detector and a digital counter to generate a coarse phase shift control setting. The coarse phase shift control setting is then used to pre-compute a static residual phase shift control setting or generate a dynamic residual phase shift control setting, one of which is chosen by the phase offset control circuit to be added to or subtracted from the coarse phase shift control setting to generate a fine phase shift control setting. The coarse and fine phase shift control settings work in concert to generate a phase-delayed DQS signal that is center-aligned to its associated DQ signals.
    • 可编程存储器接口电路包括可编程DLL延迟链,相位偏移控制电路和可编程DQS延迟链。 DLL延迟链使用一组串行连接的延迟单元,可编程开关,相位检测器和数字计数器来产生粗略的相移控制设置。 然后,粗略的相移控制设置用于预先计算静态残留相移控制设置或生成动态残留相移控制设置,其中一个由相位偏移控制电路选择以被加到或从粗略 相移控制设置,以产生精细的相移控制设置。 粗调和精细相移控制设置一致地产生相位延迟的DQS信号,其中心对准其相关联的DQ信号。
    • 9. 发明授权
    • Computer-aided design tools and memory element power supply circuitry for selectively overdriving circuit blocks
    • 计算机辅助设计工具和存储元件电源电路,用于选择性地过驱动电路块
    • US08502558B1
    • 2013-08-06
    • US13281135
    • 2011-10-25
    • Irfan RahimAndy L. Lee
    • Irfan RahimAndy L. Lee
    • G06F7/38H23K19/173
    • H03K19/17784
    • Integrated circuits are provided with circuitry such as multiplexers that can be selectively configured to route different adjustable power supply voltages to different circuit blocks on the integrated circuits. The circuit blocks may contain memory elements that are powered by the power supply voltages and that provide corresponding static output control signals at magnitudes that are determined by the power supply voltages. The control signals from the memory elements may be applied to the gates of transistors in the circuit blocks. Logic on an integrated circuit may be powered at a given power supply voltage level. The memory elements may provide their output signals at overdrive voltage levels that are elevated with respect to the given power supply voltage level. Memory elements associated with circuit blocks that contain critical paths can be overdriven at voltages that are larger than memory elements associated with circuit blocks that contain noncritical paths.
    • 集成电路提供有诸如多路复用器的电路,其可以被选择性地配置为将不同的可调电源电压路由到集成电路上的不同电路块。 电路块可以包含由电源电压供电的存储器元件,并且以由电源电压确定的量值提供对应的静态输出控制信号。 来自存储元件的控制信号可以被施加到电路块中的晶体管的栅极。 集成电路上的逻辑可以在给定的电源电压电平下供电。 存储元件可以以相对于给定电源电压电平升高的过驱动电压电平提供其输出信号。 与包含关键路径的电路块相关联的存储器元件可以在大于与包含非关键路径的电路块相关联的存储器元件的电压上被过载。
    • 10. 发明授权
    • Apparatus for configuring performance of field programmable gate arrays and associated methods
    • 用于配置现场可编程门阵列性能和相关方法的装置
    • US08461869B1
    • 2013-06-11
    • US13214147
    • 2011-08-19
    • Irfan RahimAndy L. LeeBruce B. PedersenJeffrey T. WattMao DuRichard G. Cliff
    • Irfan RahimAndy L. LeeBruce B. PedersenJeffrey T. WattMao DuRichard G. Cliff
    • H03K19/003
    • H03K19/003H03K19/17784
    • An apparatus includes a temperature sensor, a voltage regulator, and a field programmable gate array (FPGA). The temperature sensor and the voltage regulator are adapted, respectively, to provide a temperature signal, and to provide at least one output voltage. The FPGA includes at least one circuit adapted to receive the at least one output voltage of the voltage regulator, and a set of monitor circuits adapted to provide indications of process and temperature for the at least one circuit. The FPGA further includes a controller adapted to derive a body-bias signal and a voltage-level signal from the temperature signal, from the indications of process and temperature for the at least one circuit, and from the at least one output voltage of the voltage regulator. The controller is further adapted to provide the body-bias signal to at least one transistor in the at least one circuit, and to provide the voltage-level signal to the voltage regulator.
    • 一种装置包括温度传感器,电压调节器和现场可编程门阵列(FPGA)。 温度传感器和电压调节器分别适于提供温度信号,并提供至少一个输出电压。 FPGA包括适于接收电压调节器的至少一个输出电压的至少一个电路,以及适于提供至少一个电路的过程和温度指示的一组监视器电路。 FPGA还包括控制器,其适于从温度信号,从至少一个电路的处理和温度指示以及电压的至少一个输出电压导出体偏置信号和电压电平信号 调节器 所述控制器还适于将所述体偏置信号提供给所述至少一个电路中的至少一个晶体管,并且向所述电压调节器提供所述电压电平信号。