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    • 2. 发明申请
    • Delay locked loop circuit
    • 延时锁定回路电路
    • US20070069778A1
    • 2007-03-29
    • US11478094
    • 2006-06-30
    • Hoon ChoiJae-Jin Lee
    • Hoon ChoiJae-Jin Lee
    • H03L7/06
    • H03L7/0814G06F7/68H03L7/0805
    • A DLL of a memory device having a normal mode and a power down mode includes a clock buffer for buffering an external clock signal to output an internal clock signal. A power down mode controller generates a power down mode control signal to define the normal mode or the power down mode in response to a clock enable signal. A source clock generation unit receives the internal clock signal to generate a DLL source clock signal under the control of the power down mode control signal. A phase update unit performs a phase update operation based on the DLL source clock signal to output a DLL clock signal.
    • 具有正常模式和掉电模式的存储器件的DLL包括用于缓冲外部时钟信号以输出内部时钟信号的时钟缓冲器。 断电模式控制器响应于时钟使能信号产生掉电模式控制信号以定义正常模式或掉电模式。 源时钟生成单元在停电模式控制信号的控制下接收内部时钟信号以产生DLL源时钟信号。 相位更新单元基于DLL源时钟信号执行相位更新操作,以输出DLL时钟信号。
    • 3. 发明授权
    • Delay locked loop circuit
    • 延时锁定回路电路
    • US07605622B2
    • 2009-10-20
    • US11478094
    • 2006-06-30
    • Hoon ChoiJae-Jin Lee
    • Hoon ChoiJae-Jin Lee
    • H03L7/06
    • H03L7/0814G06F7/68H03L7/0805
    • A DLL of a memory device having a normal mode and a power down mode includes a clock buffer for buffering an external clock signal to output an internal clock signal. A power down mode controller generates a power down mode control signal to define the normal mode or the power down mode in response to a clock enable signal. A source clock generation unit receives the internal clock signal to generate a DLL source clock signal under the control of the power down mode control signal. A phase update unit performs a phase update operation based on the DLL source clock signal to output a DLL clock signal.
    • 具有正常模式和掉电模式的存储器件的DLL包括用于缓冲外部时钟信号以输出内部时钟信号的时钟缓冲器。 断电模式控制器响应于时钟使能信号产生掉电模式控制信号以定义正常模式或掉电模式。 源时钟生成单元在停电模式控制信号的控制下接收内部时钟信号以产生DLL源时钟信号。 相位更新单元基于DLL源时钟信号执行相位更新操作,以输出DLL时钟信号。
    • 8. 发明授权
    • Output timing control circuit and semiconductor apparatus using the same
    • 输出定时控制电路及使用其的半导体装置
    • US08959378B2
    • 2015-02-17
    • US13219657
    • 2011-08-27
    • Hoon Choi
    • Hoon Choi
    • G06F1/00H03K5/13
    • H03K5/131
    • An output timing control circuit of a semiconductor apparatus includes a delay amount counter block configured to count a delay amount of an output reset pulse signal based on an external clock signal and output a first counting code, wherein the delay amount counter block is configured to control the delay amount of the output reset pulse signal depending upon a frequency of the external clock signal; an operation block configured to subtract a code value of the first counting code from a code value of a data output delay code, and output a delay control code; and a phase control block configured to control a phase of a read command signal by the number of clocks of a DLL clock signal corresponding to a code value of the delay control code, and output an output enable flag signal.
    • 半导体装置的输出定时控制电路包括:延迟量计数器块,被配置为基于外部时钟信号对输出复位脉冲信号的延迟量进行计数,并输出第一计数代码,其中延迟量计数器块被配置为控制 输出复位脉冲信号的延迟量取决于外部时钟信号的频率; 操作块,被配置为从数据输出延迟码的代码值中减去第一计数代码的代码值,并输出延迟控制代码; 以及相位控制块,被配置为通过与延迟控制代码的代码值相对应的DLL时钟信号的时钟数来控制读取命令信号的相位,并输出输出使能标志信号。