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    • 65. 发明授权
    • Duty detection circuit and duty cycle correction circuit including the same
    • 占空比检测电路和占空比校正电路包括相同
    • US08207772B2
    • 2012-06-26
    • US12832092
    • 2010-07-08
    • Dong-Suk Shin
    • Dong-Suk Shin
    • H03K3/017
    • G11C7/22G11C7/222H03K5/1565H03K9/08
    • A duty cycle correction circuit includes a duty adjustment circuit configured to generate an output clock by adjusting a duty cycle of an input clock in response to a duty adjustment code, a duty detection circuit configured to measure a difference between a width of a high pulse and a width of a low pulse of the output clock at each update period, and generate a duty detection code corresponding to the measured value, an accumulation circuit configured to generate the duty adjustment code by accumulating a value of the duty detection code outputted at each update period, and a toggling number adjustment circuit configured to adjust a toggling number of the output clock, which adjustment determines the update period, according to a frequency of the output clock.
    • 占空比校正电路包括占空比调整电路,其被配置为通过响应于占空比调整代码调整输入时钟的占空比来产生输出时钟;占空比检测电路,被配置为测量高脉冲宽度与 在每个更新周期的输出时钟的低脉冲的宽度,并且生成与测量值相对应的占空比检测码;累加电路,被配置为通过累加在每次更新时输出的占空比检测码的值来生成占空比调整码 周期,以及切换数量调整电路,被配置为根据输出时钟的频率来调整输出时钟的切换次数,该调整确定更新周期。
    • 66. 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。
    • 68. 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。
    • 69. 发明授权
    • Method of forming MOS transistor having fully silicided metal gate electrode
    • 形成具有完全硅化金属栅电极的MOS晶体管的方法
    • US07582535B2
    • 2009-09-01
    • US11158978
    • 2005-06-22
    • Seung-Hwan LeeDong-Suk ShinHwa-Sung RheeTetsuji UenoHo Lee
    • Seung-Hwan LeeDong-Suk ShinHwa-Sung RheeTetsuji UenoHo Lee
    • H01L21/336
    • H01L29/4975H01L21/28097H01L21/823835H01L21/823842H01L29/665H01L29/6653H01L29/66545H01L29/6656H01L29/66628H01L29/66636
    • Methods of fabricating a MOS transistor having a fully silicided metal gate electrode are provided. The method includes forming an isolation layer in a predetermined region of a semiconductor substrate to define an active region. An insulated gate pattern which crosses over the active region is formed. A spacer is formed on sidewalls of the gate pattern. A selective epitaxial growth process is applied to form semiconductor layers on the gate pattern and on the active region at both sides of the gate pattern. In this case, a poly-crystalline semiconductor layer is formed on the gate pattern while single-crystalline semiconductor layers are concurrently formed on the active region at both sides of the gate pattern. The semiconductor layers are selectively etched to form a gate-reduced pattern and elevated source and drain regions. Respective desired thicknesses of the gate-reduced pattern and the elevated source and drain regions may be obtained using an etch selectivity between the poly-crystalline semiconductor layer and the single-crystalline semiconductor layer. A silicidation process is applied to the semiconductor substrate where the gate-reduced pattern is formed to simultaneously form a fully silicided metal gate electrode and elevated source and drain silicide layers.
    • 提供制造具有完全硅化金属栅电极的MOS晶体管的方法。 该方法包括在半导体衬底的预定区域中形成隔离层以限定有源区。 形成了跨越有源区域的绝缘栅极图案。 在栅极图案的侧壁上形成间隔物。 施加选择性外延生长工艺以在栅极图案上形成半导体层,并且在栅极图案的两侧形成半导体层。 在这种情况下,在栅极图案上形成多晶半导体层,同时在栅极图案的两侧的有源区同时形成单晶半导体层。 选择性地蚀刻半导体层以形成栅极减小图案和升高的源极和漏极区域。 可以使用多晶半导体层和单晶半导体层之间的蚀刻选择性来获得栅极减小图案和升高的源极和漏极区域的各种期望厚度。 将硅化处理应用于形成栅极减少图案的半导体衬底,以同时形成完全硅化的金属栅电极和升高的源极和漏极硅化物层。