Clock duty cycle measurement with charge pump without using reference clock calibration | Patent Publication Number 20090326862

US 20090326862 A1
Patent NumberUS 08041537 B2
Application Number12163081
Filled DateJun 27, 2008
Priority DateJun 27, 2008
Publication DateDec 31, 2009
Original AssigneeInternational Business Machines
Current AssigneeToshiba America Electronic Components
Inventor/ApplicantsDavid William Boerstler
Jieming Qi
Eskinder Hailu
Masaaki Kaneko
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