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    • 2. 发明授权
    • Device for generating clock in semiconductor integrated circuit
    • 用于在半导体集成电路中产生时钟的装置
    • US08138812B2
    • 2012-03-20
    • US12646608
    • 2009-12-23
    • Won Joo YunHyun Woo LeeKi Han Kim
    • Won Joo YunHyun Woo LeeKi Han Kim
    • G06F1/04
    • G06F1/06H03L7/0812H03L7/0995H03L7/16
    • Various embodiments of a semiconductor integrated circuit. According to one exemplary embodiment, a semiconductor integrated circuit includes a multi-phase clock generator that is configured to generate a multi-phase internal clock; a first edge combining unit that is configured to generate a first output clock having a first frequency by combining rising edges of clocks included in the internal clock, and transmit the first output clock to a first port; and a second edge combining unit that is configured to generate a second output clock having a second frequency by combining rising edges of clocks included in the internal clock, and transmit the output clock to a second port.
    • 半导体集成电路的各种实施例。 根据一个示例性实施例,半导体集成电路包括被配置为产生多相内部时钟的多相时钟发生器; 第一边缘组合单元,被配置为通过组合包括在所述内部时钟中的时钟的上升沿来产生具有第一频率的第一输出时钟,并将所述第一输出时钟发送到第一端口; 以及第二边缘组合单元,其被配置为通过组合包括在所述内部时钟中的时钟的上升沿来产生具有第二频率的第二输出时钟,并将所述输出时钟发送到第二端口。
    • 3. 发明授权
    • Semiconductor integrated circuit
    • 半导体集成电路
    • US07928783B2
    • 2011-04-19
    • US12493804
    • 2009-06-29
    • Won Joo YunHyun Woo LeeKi Han Kim
    • Won Joo YunHyun Woo LeeKi Han Kim
    • H03L7/06
    • H03L7/0814H03K5/04H03K5/1565
    • A semiconductor integrated circuit includes a frequency determining unit configured to determine an operational speed of the semiconductor integrated circuit and to generate a frequency region signal; a duty cycle control unit configured to detect a duty cycle of a DLL clock and to generate a duty cycle control signal; a duty cycle correcting unit configured to generate a corrected clock by correcting a duty cycle of an input clock in response to the frequency region signal and in response to the duty cycle control signal; and a DLL (Delay Locked Loop) circuit configured to generate the DLL clock by controlling a phase of the corrected clock.
    • 半导体集成电路包括:频率确定单元,被配置为确定半导体集成电路的操作速度并产生频率区域信号; 占空比控制单元,被配置为检测DLL时钟的占空比并产生占空比控制信号; 占空比校正单元,被配置为通过响应于频域信号校正输入时钟的占空比并响应于占空比控制信号来产生校正时钟; 以及被配置为通过控制校正时钟的相位来产生DLL时钟的DLL(延迟锁定环路)。
    • 4. 发明申请
    • DEVICE FOR GENERATING CLOCK IN SEMICONDUCTOR INTEGRATED CIRCUIT
    • 用于在半导体集成电路中产生时钟的器件
    • US20110025384A1
    • 2011-02-03
    • US12646608
    • 2009-12-23
    • Won Joo YUNHyun Woo LeeKi Han Kim
    • Won Joo YUNHyun Woo LeeKi Han Kim
    • H03L7/06G06F1/04
    • G06F1/06H03L7/0812H03L7/0995H03L7/16
    • Various embodiments of a semiconductor integrated circuit. According to one exemplary embodiment, a semiconductor integrated circuit includes a multi-phase clock generator that is configured to generate a multi-phase internal clock; a first edge combining unit that is configured to generate a first output clock having a first frequency by combining rising edges of clocks included in the internal clock, and transmit the first output clock to a first port; and a second edge combining unit that is configured to generate a second output clock having a second frequency by combining rising edges of clocks included in the internal clock, and transmit the output clock to a second port.
    • 半导体集成电路的各种实施例。 根据一个示例性实施例,半导体集成电路包括被配置为产生多相内部时钟的多相时钟发生器; 第一边缘组合单元,被配置为通过组合包括在所述内部时钟中的时钟的上升沿来产生具有第一频率的第一输出时钟,并将所述第一输出时钟发送到第一端口; 以及第二边缘组合单元,其被配置为通过组合包括在所述内部时钟中的时钟的上升沿来产生具有第二频率的第二输出时钟,并将所述输出时钟发送到第二端口。
    • 6. 发明授权
    • Data output control circuit
    • 数据输出控制电路
    • US08487679B2
    • 2013-07-16
    • US13028253
    • 2011-02-16
    • Ki Han KimHyun Woo Lee
    • Ki Han KimHyun Woo Lee
    • H03L7/06
    • G11C7/1072G11C7/1057G11C7/1066G11C7/222H03L7/0818
    • A data output control circuit includes a DLL circuit and a delay detection unit. The DLL circuit is configured to generate a second internal clock by delaying a first internal clock generated from an external clock, compare a phase of the first internal clock with a phase of the second internal clock, and generate a DLL clock. The delay detection unit is configured to generate a sense signal whose logic level is changed according to a comparison result of a set time interval and a delay time interval during which the first internal clock is delayed in order to generate the second internal clock.
    • 数据输出控制电路包括DLL电路和延迟检测单元。 DLL电路被配置为通过延迟从外部时钟产生的第一内部时钟来产生第二内部时钟,将第一内部时钟的相位与第二内部时钟的相位进行比较,并生成DLL时钟。 所述延迟检测单元被配置为根据设定的时间间隔的比较结果和延迟所述第一内部时钟的延迟时间间隔来生成其逻辑电平变化的感测信号,以便产生所述第二内部时钟。