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    • 1. 发明授权
    • Clock signal duty correction circuit
    • 时钟信号占空比校正电路
    • US08378726B2
    • 2013-02-19
    • US12846669
    • 2010-07-29
    • Yong Ju KimDae Han KwonWon Joo YunHae Rang ChoiJae Min Jang
    • Yong Ju KimDae Han KwonWon Joo YunHae Rang ChoiJae Min Jang
    • H03K5/04
    • H03K5/1565
    • A clock signal duty correction circuit includes: a first transition timing control unit configured to generate a first control signal for controlling a rising timing of a duty correction clock signal by using a clock signal; a second transition timing control unit configured to generate a second control signal for varying a falling timing of the duty correction clock signal by using the clock signal according to a code signal; and a differential buffer unit configured to generate the duty correction clock signal, whose rising time or falling time is adjusted, in response to the first control signal and the second control signal.
    • 时钟信号占空比校正电路包括:第一转移定时控制单元,被配置为通过使用时钟信号产生用于控制占空比校正时钟信号的上升定时的第一控制信号; 第二转移定时控制单元,被配置为通过使用根据代码信号的时钟信号来生成用于改变占空比校正时钟信号的下降定时的第二控制信号; 以及差分缓冲器单元,被配置为响应于所述第一控制信号和所述第二控制信号而生成其上升时间或下降时间被调整的占空比校正时钟信号。
    • 8. 发明授权
    • Output driver and semiconductor apparatus having the same
    • 输出驱动器和具有相同的半导体装置
    • US08471602B2
    • 2013-06-25
    • US12983164
    • 2010-12-31
    • Jun Woo LeeDae Han KwonTaek Sang Song
    • Jun Woo LeeDae Han KwonTaek Sang Song
    • H03B1/00H03K3/00
    • H03K19/018528
    • An output driver includes: a pull-up signal generation unit configured to control a pulse width of first data and output a pull-up pre-drive signal; a pull-down signal generation unit configured to control a pulse width of second data and output a pull-down pre-drive signal; a pull-up pre-driver unit configured to receive the pull-up pre-drive signal and generate a pull-up main drive signal; a pull-down pre-driver unit configured to receive the pull-down pre-drive signal and generate a pull-down main drive signal; a pull-up main driver unit configured to charge an output node according to the pull-up main drive signal; and a pull-down main driver unit configured to discharge the output node according to the pull-down main drive signal.
    • 输出驱动器包括:上拉信号生成单元,被配置为控制第一数据的脉冲宽度并输出上拉预驱动信号; 下拉信号生成单元,被配置为控制第二数据的脉冲宽度并输出下拉预驱动信号; 上拉预驱动器单元,被配置为接收所述上拉预驱动信号并产生上拉主驱动信号; 配置成接收下拉预驱动信号并产生下拉主驱动信号的下拉预驱动器单元; 上拉主驱动器单元,被配置为根据上拉主驱动信号对输出节点进行充电; 以及配置成根据下拉主驱动信号对输出节点进行放电的下拉主驱动器单元。