- 专利标题： Programmable phase shift circuitry
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申请号： US10996186申请日： 2004-11-22
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公开(公告)号： US07109765B1公开(公告)日： 2006-09-19
- 发明人: Bonnie I Wang , Joseph Huang , Chiakang Sung , Xiaobao Wang , In Whan Kim , Wayne Yeung , Khai Nguyen
- 申请人： Bonnie I Wang , Joseph Huang , Chiakang Sung , Xiaobao Wang , In Whan Kim , Wayne Yeung , Khai Nguyen
- 申请人地址： US CA San Jose
- 专利权人： Altera Corporation
- 当前专利权人： Altera Corporation
- 当前专利权人地址： US CA San Jose
- 代理机构： Fish & Neave IP Group of Ropes & Gray LLP
- 代理商 Jeffrey H. Ingerman; Chia-Hao La
- 主分类号： H03L7/06
- IPC分类号： H03L7/06
摘要：
A circuit provides a programmable phase shift feature, where the phase shift is programmably selectable by a user. This circuitry may be incorporated in a programmable logic device (PLD) or field programmable gate array (FPGA) to provide additional programmability features. The programmable phase shift circuitry may be implemented within a phase locked loop (PLL) or delay locked loop (DLL) circuit.
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