Assignee
XILINX INC
US4,463 patents
Top patents by PatentIndex Score
US7965102B1Jun 21, 2011
Formation of columnar application specific circuitry using a columnar programmable device
XILINX INC188 citations99
US7366306B1Apr 29, 2008
Programmable logic device that supports secure and non-secure modes of decryption-key access
XILINX INC87 citations99
US7284226B1Oct 16, 2007
Methods and structures of providing modular integrated circuits
XILINX INC274 citations99
US7219237B1May 15, 2007
Read- and write-access control circuits for decryption-key memories on programmable logic devices
XILINX INC111 citations99
US7212448B1May 1, 2007
Method and apparatus for multiple context and high reliability operation of programmable logic devices
XILINX INC224 citations99
US7200235B1Apr 3, 2007
Error-checking and correcting decryption-key memory for programmable logic devices
XILINX INC91 citations99
US7138827B1Nov 21, 2006
Programmable logic device with time-multiplexed interconnect
XILINX INC174 citations99
US7126372B2Oct 24, 2006
Reconfiguration port for dynamic reconfiguration—sub-frame access for reconfiguration
XILINX INC151 citations99
US7075333B1Jul 11, 2006
Programmable circuit optionally configurable as a lookup table or a wide multiplexer
XILINX INC159 citations99
US6998872B1Feb 14, 2006
Lookup table circuit optionally configurable as two or more smaller lookup tables with independent inputs
XILINX INC252 citations99
US6992505B1Jan 31, 2006
Structures and methods of implementing a pass gate multiplexer with pseudo-differential input signals
XILINX INC192 citations99
US6917219B2Jul 12, 2005
Multi-chip programmable logic device having configurable logic circuitry and configuration data storage on different dice
XILINX INC419 citations99
US6894527B1May 17, 2005
Evolved circuits for bitstream protection
XILINX INC152 citations99
US6829756B1Dec 7, 2004
Programmable logic device with time-multiplexed interconnect
XILINX INC198 citations99
US6777978B2Aug 17, 2004
Structures and methods for selectively applying a well bias to portions of a programmable device
XILINX INC125 citations99
US6725441B1Apr 20, 2004
Method and apparatus for defining and modifying connections between logic cores implemented on programmable logic devices
XILINX INC148 citations99
US6675309B1Jan 6, 2004
Method for controlling timing in reduced programmable logic devices
XILINX INC201 citations99
US6629308B1Sep 30, 2003
Method for managing database models for reduced programmable logic device components
XILINX INC184 citations99
US6601227B1Jul 29, 2003
Method for making large-scale ASIC using pre-engineered long distance routing structure
XILINX INC354 citations99
US6573749B2Jun 3, 2003
Method and apparatus for incorporating a multiplier into an FPGA
XILINX INC156 citations99
US6529040B1Mar 4, 2003
FPGA lookup table with speed read decoder
XILINX INC241 citations99
US6526557B1Feb 25, 2003
Architecture and method for partially reconfiguring an FPGA
XILINX INC196 citations99
US6515509B1Feb 4, 2003
Programmable logic device structures in standard cell devices
XILINX INC288 citations99
US6496971B1Dec 17, 2002
Supporting multiple FPGA configuration modes using dedicated on-chip processor
XILINX INC230 citations99
US6490707B1Dec 3, 2002
Method for converting programmable logic devices into standard cell devices
XILINX INC196 citations99
US6487709B1Nov 26, 2002
Run-time routing for programmable logic devices
XILINX INC238 citations99
US6480954B2Nov 12, 2002
Method of time multiplexing a programmable logic device
XILINX INC318 citations99
US6448808B2Sep 10, 2002
Interconnect structure for a programmable logic device
XILINX INC225 citations99
US6421817B1Jul 16, 2002
System and method of computation in a programmable logic device using virtual instructions
XILINX INC150 citations99
US6396302B2May 28, 2002
Configurable logic element with expander structures
XILINX INC92 citations99
US6362650B1Mar 26, 2002
Method and apparatus for incorporating a multiplier into an FPGA
XILINX INC210 citations99
US6346824B1Feb 12, 2002
Dedicated function fabric for use in field programmable gate arrays
XILINX INC301 citations99
US6292019B1Sep 18, 2001
Programmable logic device having configurable logic blocks with user-accessible input multiplexers
XILINX INC192 citations99
US6289068B1Sep 11, 2001
Delay lock loop with clock phase shifter
XILINX INC169 citations99
US6263430B1Jul 17, 2001
Method of time multiplexing a programmable logic device
XILINX INC96 citations99
US6255849B1Jul 3, 2001
On-chip self-modification for PLDs
XILINX INC300 citations99
US6246258B1Jun 12, 2001
Realizing analog-to-digital converter on a digital programmable integrated circuit
XILINX INC191 citations99
US6242945B1Jun 5, 2001
Field programmable gate array with mask programmable I/O drivers
XILINX INC138 citations99
USRE37195EMay 29, 2001
Programmable switch for FPGA input/output signals
XILINX INC158 citations99
US6204687B1Mar 20, 2001
Method and structure for configuring FPGAS
XILINX INC336 citations99
US6191614B1Feb 20, 2001
FPGA configuration circuit including bus-based CRC register
XILINX INC245 citations99
US6184709B1Feb 6, 2001
Programmable logic device having a composable memory array overlaying a CLB array
XILINX INC180 citations99
US6172520B1Jan 9, 2001
FPGA system with user-programmable configuration ports and method for reconfiguring the FPGA
XILINX INC180 citations99
US6154049ANov 28, 2000
Multiplier fabric for use in field programmable gate arrays
XILINX INC156 citations99
US6150838ANov 21, 2000
FPGA configurable logic block with multi-purpose logic/memory circuit
XILINX INC315 citations99
US6086631AJul 11, 2000
Post-placement residual overlap removal method for core-based PLD programming process
XILINX INC242 citations99
US6084429AJul 4, 2000
PLD having a window pane architecture with segmented and staggered interconnect wiring between logic block arrays
XILINX INC360 citations99
US6078736AJun 20, 2000
Method of designing FPGAs for dynamically reconfigurable computing
XILINX INC230 citations99
US6049222AApr 11, 2000
Configuring an FPGA using embedded memory
XILINX INC228 citations99
US6047115AApr 4, 2000
Method for configuring FPGA memory planes for virtual hardware computation
XILINX INC175 citations99
Showing the top 50 of 4,463 patents by PatentIndex Score.