Inventor
CHANG WANLI
US28 patents
⚠️ This page may combine multiple inventors who share the name “CHANG WANLI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALTERA CORP
27 patentsUS5828229AOct 27, 1998
Programmable logic array integrated circuits
ALTERA CORP185 citations98
US5717901AFeb 10, 1998
Variable depth and width memory device
ALTERA CORP89 citations97
US6744277B1Jun 1, 2004
Programmable current reference circuit
ALTERA CORP70 citations96
US5802540ASep 1, 1998
Programming and verification address generation for random access memory blocks in programmable logic array integrated circuit devices
ALTERA CORP29 citations93
US5633830AMay 27, 1997
Random access memory block circuitry for programmable logic array integrated circuit devices
ALTERA CORP33 citations93
US5555214ASep 10, 1996
Apparatus for serial reading and writing of random access memory arrays
ALTERA CORP34 citations93
US7619451B1Nov 17, 2009
Techniques for compensating delays in clock signals on integrated circuits
ALTERA CORP20 citations92
US6856180B1Feb 15, 2005
Programmable loop bandwidth in phase locked loop (PLL) circuit
ALTERA CORP37 citations92
US6832173B1Dec 14, 2004
Testing circuit and method for phase-locked loop
ALTERA CORP24 citations92
US6661253B1Dec 9, 2003
Passgate structures for use in low-voltage applications
ALTERA CORP29 citations92
US6515508B1Feb 4, 2003
Differential interconnection circuits in programmable logic devices
ALTERA CORP31 citations92
US6262933B1Jul 17, 2001
High speed programmable address decoder
ALTERA CORP16 citations92
US7304527B1Dec 4, 2007
Fuse sensing circuit
ALTERA CORP20 citations91
US6128692AOct 3, 2000
Programming and verification address generation for random access memory blocks in programmable logic array integrated circuit devices
ALTERA CORP19 citations91
US7602255B1Oct 13, 2009
Loop circuits that reduce bandwidth variations
ALTERA CORP16 citations83
US7276943B2Oct 2, 2007
Highly configurable PLL architecture for programmable logic
ALTERA CORP11 citations83
USRE37060EFeb 20, 2001
Apparatus for serial reading and writing of random access memory arrays
ALTERA CORP7 citations74
US7098707B2Aug 29, 2006
Highly configurable PLL architecture for programmable logic
ALTERA CORP10 citations73
US7015764B2Mar 21, 2006
Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system
ALTERA CORP8 citations73
US6798302B2Sep 28, 2004
Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system
ALTERA CORP7 citations73
US7800405B2Sep 21, 2010
Passgate structures for use in low-voltage applications
ALTERA CORP3 citations63
US7557608B2Jul 7, 2009
Passgate structures for use in low-voltage applications
ALTERA CORP2 citations63
US7119574B1Oct 10, 2006
Passage structures for use in low-voltage applications
ALTERA CORP3 citations63
USRE38651ENov 9, 2004
Variable depth and width memory device
ALTERA CORP5 citations63
US6459303B1Oct 1, 2002
High speed programmable address decoder
ALTERA CORP2 citations63
US6842040B1Jan 11, 2005
Differential interconnection circuits in programmable logic devices
ALTERA CORP4 citations62
US7633349B2Dec 15, 2009
Phase frequency detectors generating minimum pulse widths
ALTERA CORP1 citations52