Inventor
ALFKE PETER H
US40 patents
⚠️ This page may combine multiple inventors who share the name “ALFKE PETER H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XILINX INC
35 patentsUS6441641B1Aug 27, 2002
Programmable logic device with partial battery backup
XILINX INC113 citations98
US6204695B1Mar 20, 2001
Clock-gating circuit for reducing power consumption
XILINX INC122 citations98
US6104211AAug 15, 2000
System for preventing radiation failures in programmable logic devices
XILINX INC125 citations98
US5969543AOct 19, 1999
Input signal interface with independently controllable pull-up and pull-down circuitry
XILINX INC90 citations98
US6810514B1Oct 26, 2004
Controller arrangement for partial reconfiguration of a programmable logic device
XILINX INC77 citations97
US6434642B1Aug 13, 2002
FIFO memory system and method with improved determination of full and empty conditions and amount of data stored
XILINX INC100 citations97
US7057413B1Jun 6, 2006
Large crossbar switch implemented in FPGA
XILINX INC65 citations96
US6759869B1Jul 6, 2004
Large crossbar switch implemented in FPGA
XILINX INC83 citations96
US6150863ANov 21, 2000
User-controlled delay circuit for a programmable logic device
XILINX INC73 citations96
US6134191AOct 17, 2000
Oscillator for measuring on-chip delays
XILINX INC54 citations96
US6002282ADec 14, 1999
Feedback apparatus for adjusting clock delay
XILINX INC68 citations96
US5600271AFeb 4, 1997
Input signal interface with independently controllable pull-up and pull-down circuitry
XILINX INC75 citations96
US6389490B1May 14, 2002
FIFO memory system and method with improved generation of empty and full control signals in one clock cycle using almost empty and almost full signals
XILINX INC49 citations95
US7667500B1Feb 23, 2010
Glitch-suppressor circuits and methods
XILINX INC30 citations93
US6260139B1Jul 10, 2001
FPGA control structure for self-reconfiguration
XILINX INC49 citations93
US5898893AApr 27, 1999
Fifo memory system and method for controlling
XILINX INC48 citations93
US7254677B1Aug 7, 2007
First-in, first-out memory system with reduced cycle latency
XILINX INC38 citations92
US7020862B1Mar 28, 2006
Circuits and methods for analyzing timing characteristics of sequential logic elements
XILINX INC18 citations92
US6956776B1Oct 18, 2005
Almost full, almost empty memory system
XILINX INC43 citations92
US6937172B1Aug 30, 2005
Method and system for gray-coding counting
XILINX INC41 citations92
US6934198B1Aug 23, 2005
First-in, first-out buffer system in an integrated circuit
XILINX INC40 citations92
US6734703B1May 11, 2004
Circuits and methods for analyzing timing characteristics of sequential logic elements
XILINX INC37 citations92
US7759801B1Jul 20, 2010
Tapered signal lines
XILINX INC12 citations84
US7574635B1Aug 11, 2009
Circuit for and method of testing a memory device
XILINX INC19 citations84
US7291923B1Nov 6, 2007
Tapered signal lines
XILINX INC10 citations84
US7268594B1Sep 11, 2007
Direct digital synthesis with low jitter
XILINX INC10 citations84
US6353341B1Mar 5, 2002
Method and apparatus for discriminating against signal interference
XILINX INC15 citations84
US5758192AMay 26, 1998
FIFO memory system determining full empty using predetermined address segments and method for controlling same
XILINX INC19 citations84
US7161849B1Jan 9, 2007
First-in, first-out buffer system in an integrated circuit
XILINX INC12 citations83
US7839181B1Nov 23, 2010
Glitch-suppressor circuits and methods
XILINX INC6 citations74
US8352526B1Jan 8, 2013
Direct digital synthesis with reduced jitter
XILINX INC5 citations73
US7755381B1Jul 13, 2010
Reducing noise on a supply voltage in an integrated circuit
XILINX INC3 citations63
US7535789B1May 19, 2009
Circuits and methods of concatenating FIFOs
XILINX INC4 citations63
US7227387B1Jun 5, 2007
Measuring pulse edge delay value relative to a clock using multiple delay devices to address a memory to access the delay value
XILINX INC1 citations52
US6407612B1Jun 18, 2002
Method and system for suppressing input signal irregularities
XILINX INC0 citations42