Inventor · Hillsboro, OR, US

Chee How Lim

29Patents
10h-index
35Co-inventors
75Inventor score

Filing activity: Dec 31, 1998 → Mar 25, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6157206A On-chip termination Electricity 144 Expired
US6937075B2 Method and apparatus for reducing lock time in dual charge-pump phase-locked loops Electricity 67 Expired
US6411122B1 Apparatus and method for dynamic on-die termination in an open-drain bus architecture system Electricity 58 Expired
US6545522B2 Apparatus and method to provide a single reference component for multiple circuit compensation using digital impedance code shifting Electricity 53 Expired
US6424170B1 Apparatus and method for linear on-die termination in an open drain bus architecture system Electricity 52 Expired
US7100060B2 Techniques for utilization of asymmetric secondary processing resources Emerging Cross-Sectional Technologies 32 Expired
US6535047B2 Apparatus and method to use a single reference component in a master-slave configuration for multiple circuit compensation Electricity 30 Expired
US6748549B1 Clocking an I/O buffer, having a selectable phase difference from the system clock, to and from a remote I/O buffer clocked in phase with the system clock Physics 29 Expired
US6809606B2 Voltage ID based frequency control for clock generating circuit Emerging Cross-Sectional Technologies 21 Expired
US6717455B2 Apparatus and method to use a single reference component in a master-slave configuration for multiple circuit compensation Electricity 20 Expired
US6771134B2 Frequency control for clock generating circuit Electricity 10 Expired
US6756810B2 Apparatus and method to provide a single reference component for multiple circuit compensation using digital impedance code shifting Electricity 9 Expired
US6509780B1 Circuit compensation technique Electricity 9 Expired
US7695189B2 System to calibrate on-die temperature sensor Physics 9 Active
US6351136B1 Passive voltage limiter Electricity 8 Expired
US6919769B2 Method and apparatus for fast lock acquisition in self-biased phase locked loops Electricity 8 Expired
US6522165B2 Bus termination scheme for flexible uni-processor and dual processor platforms Electricity 7 Expired
US6842056B1 Cascaded phase-locked loops Electricity 7 Expired
US6924710B2 Voltage ID based frequency control for clock generating circuit Emerging Cross-Sectional Technologies 7 Expired
US6614317B2 Variable lock window for a phase locked loop Emerging Cross-Sectional Technologies 6 Expired
US7257756B2 Digital frequency synthesis clocked circuits Physics 5 Expired
US7184503B2 Multi-loop circuit capable of providing a delayed clock in phase locked loops Electricity 3 Expired
US7197659B2 Global I/O timing adjustment using calibrated delay elements Electricity 2 Expired
US7199624B2 Phase locked loop system capable of deskewing Electricity 2 Expired
US7023945B2 Method and apparatus for jitter reduction in phase locked loops Electricity 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.