Inventor
NGUYEN ANDY T
US50 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN ANDY T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XILINX INC
48 patentsUS6683481B1Jan 27, 2004
Power on reset generator circuit providing hysteresis in a noisy power environment
XILINX INC96 citations98
US6600355B1Jul 29, 2003
Clock generator circuit providing an output clock signal from phased input clock signals
XILINX INC106 citations98
US6842043B1Jan 11, 2005
High-speed, low current level shifter circuits for integrated circuits having multiple power supplies
XILINX INC60 citations96
US6566918B1May 20, 2003
Divide-by-N clock divider circuit with minimal additional delay
XILINX INC54 citations96
US6501315B1Dec 31, 2002
High-speed flip-flop operable at very low voltage levels with set and reset capability
XILINX INC61 citations96
US6285226B1Sep 4, 2001
Duty cycle correction circuit and method
XILINX INC80 citations96
US6177819B1Jan 23, 2001
Integrated circuit driver with adjustable trip point
XILINX INC73 citations96
US7317333B1Jan 8, 2008
Large loading split I/O driver with negligible crowbar
XILINX INC22 citations93
US7236557B1Jun 26, 2007
Counter-based clock multiplier circuits and methods
XILINX INC25 citations93
US7005900B1Feb 28, 2006
Counter-based clock doubler circuits and methods with optional duty cycle correction and offset
XILINX INC28 citations93
US6960937B1Nov 1, 2005
Power-up and enable control circuits for interconnection arrays in programmable logic devices
XILINX INC14 citations93
US6924684B1Aug 2, 2005
Counter-based phase shifter circuits and methods with optional duty cycle correction
XILINX INC30 citations93
US6906562B1Jun 14, 2005
Counter-based clock multiplier circuits and methods
XILINX INC34 citations93
US6906571B1Jun 14, 2005
Counter-based phased clock generator circuits and methods
XILINX INC17 citations93
US6847241B1Jan 25, 2005
Delay lock loop using shift register with token bit to select adjacent clock signals
XILINX INC33 citations93
US6809555B1Oct 26, 2004
Glitch-free digital phase detector circuits and methods with optional offset and lock window extension
XILINX INC24 citations93
US6788120B1Sep 7, 2004
Counter-based duty cycle correction systems and methods
XILINX INC50 citations93
US6714057B2Mar 30, 2004
Multi-purpose digital frequency synthesizer circuit for a programmable logic device
XILINX INC16 citations93
US6653873B1Nov 25, 2003
Large loading driver circuit with high speed and low crowbar current
XILINX INC29 citations93
US6501312B1Dec 31, 2002
Fast-locking DLL circuit and method with phased output clock
XILINX INC22 citations93
US6496045B1Dec 17, 2002
Programmable even-number clock divider circuit with duty cycle correction and optional phase shift
XILINX INC30 citations93
US6445228B1Sep 3, 2002
Programmable even-number clock divider circuit with duty cycle correction and optional phase shift
XILINX INC31 citations93
US6373308B1Apr 16, 2002
Direct-measured DLL circuit and method
XILINX INC37 citations93
US6259283B1Jul 10, 2001
Clock doubler circuit and method
XILINX INC44 citations93
US6255880B1Jul 3, 2001
One-shot DLL circuit and method
XILINX INC36 citations93
US7279982B1Oct 9, 2007
Apparatus and method for low current differential swing I/O interface
XILINX INC19 citations92
US6995584B1Feb 7, 2006
Power-up and enable control circuits for interconnection arrays in programmable logic devices
XILINX INC34 citations92
US6831481B1Dec 14, 2004
Power-up and enable control circuits for interconnection arrays in programmable logic devices
XILINX INC14 citations92
US6980035B1Dec 27, 2005
Auto-detect level shifter for multiple output voltage standards
XILINX INC26 citations91
US6744289B2Jun 1, 2004
Clock divider circuit with duty cycle correction and minimal additional delay
XILINX INC31 citations90
US7233184B1Jun 19, 2007
Method and apparatus for a configurable latch
XILINX INC18 citations84
US7157953B1Jan 2, 2007
Circuit for and method of employing a clock signal
XILINX INC18 citations84
US7139361B1Nov 21, 2006
Counter-based digital frequency synthesizer circuits and methods
XILINX INC14 citations84
US7071738B1Jul 4, 2006
Glitchless clock selection circuit using phase detection switching
XILINX INC13 citations84
US6879202B2Apr 12, 2005
Multi-purpose digital frequency synthesizer circuit for a programmable logic device
XILINX INC12 citations84
US6853698B1Feb 8, 2005
Ripple counter circuits and methods providing improved self-testing functionality
XILINX INC17 citations84
US6707331B1Mar 16, 2004
High speed one-shot circuit with optional correction for process shift
XILINX INC14 citations84
US7583102B1Sep 1, 2009
Testing of input/output devices of an integrated circuit
XILINX INC8 citations83
US7372679B1May 13, 2008
Method and apparatus for RC triggered electrostatic discharge power clamp with hysteresis
XILINX INC16 citations83
US7265586B1Sep 4, 2007
Programmable differential signaling system
XILINX INC6 citations74
US6628151B1Sep 30, 2003
Self-regulating high voltage ramp up circuit
XILINX INC9 citations74
US6515486B1Feb 4, 2003
Method and structure to determine low threshold voltage and high threshold voltage
XILINX INC6 citations74
US6496044B1Dec 17, 2002
High-speed output circuit with low voltage capability
XILINX INC9 citations73
US7053687B1May 30, 2006
Binary hysteresis comparator circuits and methods
XILINX INC3 citations63
US6958679B1Oct 25, 2005
Binary hysteresis equal comparator circuits and methods
XILINX INC3 citations63
US6914460B1Jul 5, 2005
Counter-based clock doubler circuits and methods
XILINX INC3 citations63
US7479805B1Jan 20, 2009
Programmable differential signaling system
XILINX INC1 citations52
US6566907B1May 20, 2003
Unclocked digital sequencer circuit with flexibly ordered output signal edges
XILINX INC0 citations42