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发明名称
延迟闭锁回路及其控制方法
摘要
一种用于校正一时脉信号之一责务比率的延迟闭锁回路(DLL),包括:一时脉缓冲器,接收一外部时脉信号以输出一上升边缘时脉信号;一延迟单元,基于一第一比较信号延迟该上升边缘时脉信号,以产生一第一内部时脉信号、一第二内部时脉信号、一第一延迟闭锁信号、以及一第二延迟闭锁信号;一责务校正单元,接收该第一及该第二内部时脉信号和该第一及该第二延迟闭锁信号,并藉由校正该外部时脉信号之一责务循环而产生一延迟闭锁时脉信号;以及一时脉回授单元,接收该延迟闭锁时脉信号及该外部时脉信号,以产生该第一比较信号。
申请公布号
TW200515710
申请公布日期
2005.05.01
申请号
TW093118960
申请日期
2004.06.29
申请人
海力士半导体股份有限公司
发明人
郭锺太
分类号
H03L7/06
主分类号
H03L7/06
代理机构
代理人
何金涂;林荣琳
主权项
地址
韩国
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