发明授权
- 专利标题: DLL circuit and method of controlling the same
- 专利标题(中): DLL电路及其控制方法
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申请号: US12071985申请日: 2008-02-28
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公开(公告)号: US07528639B2公开(公告)日: 2009-05-05
- 发明人: Hoon Choi
- 申请人: Hoon Choi
- 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: Venable LLP
- 代理商 Jeffri A. Kaminski
- 优先权: KR10-2006-0060484 20060630
- 主分类号: H03L7/06
- IPC分类号: H03L7/06
摘要:
A DLL circuit includes a buffer control unit configured to detect whether or not a DLL power supply exceeds a reference level and output a buffer control signal. A clock buffer buffers an external clock to generate an internal clock when the buffer control signal is enabled.
公开/授权文献
- US20080143400A1 DLL circuit and method of controlling the same 公开/授权日:2008-06-19
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