发明授权
- 专利标题: Delay locked loop circuit and operation method thereof
- 专利标题(中): 延迟锁定环路电路及其运行方法
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申请号: US13072068申请日: 2011-03-25
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公开(公告)号: US08106693B2公开(公告)日: 2012-01-31
- 发明人: Hye-Young Lee
- 申请人: Hye-Young Lee
- 申请人地址: KR Gyeonggi-do
- 专利权人: Hynix Semiconductor Inc.
- 当前专利权人: Hynix Semiconductor Inc.
- 当前专利权人地址: KR Gyeonggi-do
- 代理机构: IP & T Group LLP
- 优先权: KR10-2008-0123477 20081205
- 主分类号: H03K7/06
- IPC分类号: H03K7/06
摘要:
A delay locked loop circuit includes a delay replica model unit for reflecting a delay time of an actual output path to a source clock and outputting the reflected source clock as a delay replica clock, a detector for detecting a remaining time after subtracting a time corresponding to a multiple of a clock cycle of the source clock from a time corresponding to a phase difference between the delay replica clock and the source clock, and a delay locking unit for delaying the source clock for a delay time to synchronize a clock generated by delaying the source clock for the detected remaining time of the detector with a phase of the source clock.
公开/授权文献
- US20110169539A1 DELAY LOCKED LOOP CIRCUIT AND OPERATION METHOD THEREOF 公开/授权日:2011-07-14
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