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    • 2. 发明申请
    • POWER-DOWN MODE CONTROL APPARATUS AND DLL CIRCUIT HAVING THE SAME
    • 掉电模式控制装置和具有该模式的DLL电路
    • US20090121784A1
    • 2009-05-14
    • US12175212
    • 2008-07-17
    • Hyun-Woo LeeWon-Joo YunDong-Suk Shin
    • Hyun-Woo LeeWon-Joo YunDong-Suk Shin
    • G05F1/10
    • G11C7/02G11C5/143G11C5/144G11C7/22G11C7/222
    • A power-down mode control apparatus includes an internal power-down control block configured to receive a locking completion signal and to generate an internal power-down signal, which is toggled for a predetermined time; a noise check block configured to check occurrence/non-occurrence of noise on the basis of a phase detection signal and to generate a plurality of power-down selection signals in response to the locking completion signal and the internal power-down signal; and a power-down enter control block configured to generate a plurality of power-down enter signals, which instruct individual circuits to enter a power-down mode in response to a reference clock signal, the plurality of power-down selection signals, a power-down mode signal, and the internal power-down signal.
    • 断电模式控制装置包括内部掉电控制块,其被配置为接收锁定完成信号并产生切换预定时间的内部掉电信号; 噪声检查块,被配置为基于相位检测信号来检查噪声的发生/不发生,并且响应于锁定完成信号和内部掉电信号而产生多个掉电选择信号; 以及断电进入控制块,被配置为产生多个断电输入信号,其响应于参考时钟信号指示各个电路进入掉电模式,所述多个掉电选择信号,功率 下降模式信号和内部掉电信号。
    • 3. 发明授权
    • Power-down mode control apparatus and DLL circuit having the same
    • 掉电模式控制装置和DLL电路具有相同的功能
    • US07868673B2
    • 2011-01-11
    • US12698606
    • 2010-02-02
    • Hyun-Woo LeeWon-Joo YunDong-Suk Shin
    • Hyun-Woo LeeWon-Joo YunDong-Suk Shin
    • H03L7/06
    • G11C7/02G11C5/143G11C5/144G11C7/22G11C7/222
    • A power-down mode control apparatus includes an internal power-down control block configured to receive a locking completion signal and to generate an internal power-down signal, which is toggled for a predetermined time; a noise check block configured to check occurrence/non-occurrence of noise on the basis of a phase detection signal and to generate a plurality of power-down selection signals in response to the locking completion signal and the internal power-down signal; and a power-down enter control block configured to generate a plurality of power-down enter signals, which instruct individual circuits to enter a power-down mode in response to a reference clock signal, the plurality of power-down selection signals, a power-down mode signal, and the internal power-down signal.
    • 断电模式控制装置包括内部掉电控制块,其被配置为接收锁定完成信号并产生切换预定时间的内部掉电信号; 噪声检查块,被配置为基于相位检测信号来检查噪声的发生/不发生,并且响应于锁定完成信号和内部掉电信号而产生多个掉电选择信号; 以及断电进入控制块,被配置为产生多个断电输入信号,其响应于参考时钟信号指示各个电路进入掉电模式,所述多个掉电选择信号,功率 下降模式信号和内部掉电信号。
    • 4. 发明授权
    • Power-down mode control apparatus and DLL circuit having the same
    • 掉电模式控制装置和DLL电路具有相同的功能
    • US07683684B2
    • 2010-03-23
    • US12175212
    • 2008-07-17
    • Hyun-Woo LeeWon-Joo YunDong-Suk Shin
    • Hyun-Woo LeeWon-Joo YunDong-Suk Shin
    • H03L7/06
    • G11C7/02G11C5/143G11C5/144G11C7/22G11C7/222
    • A power-down mode control apparatus includes an internal power-down control block configured to receive a locking completion signal and to generate an internal power-down signal, which is toggled for a predetermined time; a noise check block configured to check occurrence/non-occurrence of noise on the basis of a phase detection signal and to generate a plurality of power-down selection signals in response to the locking completion signal and the internal power-down signal; and a power-down enter control block configured to generate a plurality of power-down enter signals, which instruct individual circuits to enter a power-down mode in response to a reference clock signal, the plurality of power-down selection signals, a power-down mode signal, and the internal power-down signal.
    • 断电模式控制装置包括内部掉电控制块,其被配置为接收锁定完成信号并产生切换预定时间的内部掉电信号; 噪声检查块,被配置为基于相位检测信号来检查噪声的发生/不发生,并且响应于锁定完成信号和内部掉电信号而产生多个掉电选择信号; 以及断电进入控制块,被配置为产生多个断电输入信号,其响应于参考时钟信号指示各个电路进入掉电模式,所述多个掉电选择信号,功率 下降模式信号和内部掉电信号。
    • 7. 发明申请
    • DUTY CYCLE CORRECTING CIRCUIT AND METHOD
    • 占空比校正电路和方法
    • US20090058483A1
    • 2009-03-05
    • US12200747
    • 2008-08-28
    • Dong-Suk ShinHyun-Woo LeeWon-Joo Yun
    • Dong-Suk ShinHyun-Woo LeeWon-Joo Yun
    • H03K3/017
    • H03K5/1565
    • A duty cycle correcting circuit includes a duty detector that detects a duty ratio of an output clock signal to output a duty detection signal, a variable delay unit that outputs a delay clock signal obtained by variably delaying a input signal according to the duty detection signal, and a pulse width modulating unit that generates a first clock signal that is at a high level when both the input clock signal and the delay clock signal are at a high level and generates a second clock signal that is at a high level when any of the input clock signal and the delay clock signal is at a high level, wherein the pulse width modulating unit selectively outputs the first clock signal or the second clock signal as the output clock signal.
    • 占空比校正电路包括检测输出时钟信号的占空比以输出占空比检测信号的占空比检测器,输出通过根据占空比检测信号可变地延迟输入信号而获得的延迟时钟信号的可变延迟单元, 以及脉冲宽度调制单元,当所述输入时钟信号和所述延迟时钟信号都处于高电平时,产生处于高电平的第一时钟信号,并且当所述第二时钟信号为 输入时钟信号和延迟时钟信号处于高电平,其中脉冲宽度调制单元选择性地输出第一时钟信号或第二时钟信号作为输出时钟信号。
    • 10. 发明授权
    • Phase difference quantization circuit
    • 相位差量化电路
    • US08624629B2
    • 2014-01-07
    • US13528148
    • 2012-06-20
    • Dong-Suk Shin
    • Dong-Suk Shin
    • G01R25/00
    • H03L7/089H03K5/131H03K5/14H03K2005/0028
    • A delay value control circuit of a phase difference quantization circuit, wherein the phase difference quantization circuit has first to Nth (N is an integer equal to or greater than 2) delay units with binary weights. The delay value control circuit includes a replica delay unit replicating an Ath (2≦A≦N) delay unit; and a delay control unit configured to compare a phase of a first output signal generated from delaying an input signal with an A−1th delay unit and a phase of a second output signal generated from delaying the input signal with the Ath delay unit and the replica delay unit and configured to control a delay value of the Ath delay unit using a comparison result.
    • 一种相位差量化电路的延迟值控制电路,其中相位差量化电路具有二进制权重的第一至第N(N是等于或大于2的整数)延迟单元。 延迟值控制电路包括复制Ath(2 @ A @ N)延迟单元的复制延迟单元; 以及延迟控制单元,被配置为比较从延迟输入信号产生的第一输出信号与第一延迟单元的相位和从延迟输入信号而产生的第二输出信号的相位与Ath延迟单元和副本 延迟单元,并且被配置为使用比较结果来控制Ath延迟单元的延迟值。