Inventor
LU SEAN SHAU-TU
US13 patents
⚠️ This page may combine multiple inventors who share the name “LU SEAN SHAU-TU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALTERA CORP
9 patentsUS7746134B1Jun 29, 2010
Digitally controlled delay-locked loops
ALTERA CORP20 citations92
US9158873B1Oct 13, 2015
Circuit design technique for DQS enable/disable calibration
ALTERA CORP5 citations84
US8922264B1Dec 30, 2014
Methods and apparatus for clock tree phase alignment
ALTERA CORP12 citations83
US9330218B1May 3, 2016
Integrated circuits having input-output circuits with dedicated memory controller circuitry
ALTERA CORP11 citations82
US8816743B1Aug 26, 2014
Clock structure with calibration circuitry
ALTERA CORP11 citations82
US9818471B1Nov 14, 2017
Circuitry and methods for measuring and correcting duty-cycle distortion
ALTERA CORP4 citations73
US9461631B1Oct 4, 2016
Circuitry and methods for measuring and correcting duty-cycle distortion
ALTERA CORP3 citations73
US9166596B2Oct 20, 2015
Memory interface circuitry with improved timing margins
ALTERA CORP6 citations71
US9059716B1Jun 16, 2015
Digital PVT compensation for delay chain
ALTERA CORP1 citations48