Assignee
SILICON LABS CP INC
US·48 granted patents·1 pending application·964 citations·filing 2000–2007
Top patents by PatentIndex Score
49 records- 0196US7188199B2DMA controller that restricts ADC from memory without interrupting generation of digital words when CPU accesses memorySILICON LABS CP INC·Filed 2004·Granted Mar 6, 2007·85 cites·12 claims
- 0296US6738858B1Cross-bar matrix for connecting digital resources to I/O pins of an integrated circuitSILICON LABS CP INC·Filed 2000·Granted May 18, 2004·77 cites·20 claims
- 0395US7171542B1Reconfigurable interface for coupling functional input/output blocks to limited number of i/o pinsSILICON LABS CP INC·Filed 2001·Granted Jan 30, 2007·55 cites·11 claims
- 0495US7163148B2Magnetic stripe readerSILICON LABS CP INC·Filed 2004·Granted Jan 16, 2007·160 cites·10 claims
- 0594US7250825B2Method and apparatus for calibration of a low frequency oscillator in a processor based systemSILICON LABS CP INC·Filed 2004·Granted Jul 31, 2007·70 cites·7 claims
- 0687US7119527B2Voltage reference circuit using PTAT voltageSILICON LABS CP INC·Filed 2004·Granted Oct 10, 2006·35 cites·12 claims
- 0785US6891487B2Capacitor calibration in SAR converterSILICON LABS CP INC·Filed 2004·Granted May 10, 2005·34 cites·20 claims
- 0882US6968472B2Serial data interfaceSILICON LABS CP INC·Filed 2002·Granted Nov 22, 2005·24 cites·38 claims
- 0981US7498962B2Analog-to-digital converter with low power track-and-hold modeSILICON LABS CP INC·Filed 2006·Granted Mar 3, 2009·8 cites·21 claims
- 1081US6882298B2SAR analog-to-digital converter with two single ended inputsSILICON LABS CP INC·Filed 2003·Granted Apr 19, 2005·27 cites·10 claims
- 1180US7660968B2Reconfigurable interface for coupling functional input/output blocks to limited number of I/O pinsSILICON LABS CP INC·Filed 2007·Granted Feb 9, 2010·7 cites·22 claims
- 1279US7613901B2Comparators in IC with programmably controlled positive / negative hysteresis level and open-drain / push-pull output coupled to crossbar switch or rising / falling edge interrupt generationSILICON LABS CP INC·Filed 2007·Granted Nov 3, 2009·6 cites·11 claims
- 1379US6900660B2IC with digital and analog circuits and mixed signal I/O pinsSILICON LABS CP INC·Filed 2003·Granted May 31, 2005·21 cites·10 claims
- 1478US7505540B2Clock recovery method for bursty communicationsSILICON LABS CP INC·Filed 2005·Granted Mar 17, 2009·6 cites·22 claims
- 1577US6950047B1Method and apparatus for combining outputs of multiple DACs for increased bit resolutionSILICON LABS CP INC·Filed 2004·Granted Sep 27, 2005·22 cites·33 claims
- 1677US6917658B2Clock recovery method for bursty communicationsSILICON LABS CP INC·Filed 2002·Granted Jul 12, 2005·19 cites·52 claims
- 1776US7284106B1Method and apparatus for protecting internal memory from external accessSILICON LABS CP INC·Filed 2001·Granted Oct 16, 2007·29 cites·12 claims
- 1874US6956518B1Method and apparatus for subclocking a SAR analog-to-digital converterSILICON LABS CP INC·Filed 2004·Granted Oct 18, 2005·19 cites·42 claims
- 1973US6985101B2High speed comparator with blocking switches for SAR convertorSILICON LABS CP INC·Filed 2003·Granted Jan 10, 2006·23 cites·8 claims
- 2073US6977607B2SAR with partial capacitor sampling to reduce parasitic capacitanceSILICON LABS CP INC·Filed 2004·Granted Dec 20, 2005·19 cites·24 claims
- 2171US7504900B2Integrated circuit package including programmable oscillatorsSILICON LABS CP INC·Filed 2007·Granted Mar 17, 2009·3 cites·20 claims
- 2271US6839795B1Priority cross-bar decoderSILICON LABS CP INC·Filed 2000·Granted Jan 4, 2005·10 cites·44 claims
- 2370US7315200B2Gain control for delta sigma analog-to-digital converterSILICON LABS CP INC·Filed 2004·Granted Jan 1, 2008·16 cites·16 claims
- 2469US7395447B2Precision oscillator for an asynchronous transmission systemSILICON LABS CP INC·Filed 2002·Granted Jul 1, 2008·13 cites·14 claims
- 2569US6794856B2Processor based integrated circuit with a supply voltage monitor using bandgap device without feedbackSILICON LABS CP INC·Filed 2003·Granted Sep 21, 2004·13 cites·20 claims
- 2668US7343504B2Micro controller unit (MCU) with RTCSILICON LABS CP INC·Filed 2004·Granted Mar 11, 2008·11 cites·28 claims
- 2768US6950044B1Mixed signal processor with noise managementSILICON LABS CP INC·Filed 2004·Granted Sep 27, 2005·14 cites·8 claims
- 2868US6922164B1SAR analog-to-digital converter with abort functionSILICON LABS CP INC·Filed 2004·Granted Jul 26, 2005·14 cites·32 claims
- 2968US6882295B2High speed comparator for a SAR converter with resistor loading and resistor bias to control common mode biasSILICON LABS CP INC·Filed 2004·Granted Apr 19, 2005·15 cites·20 claims
- 3066US7362554B2Electrostatic discharge (ESD) clamp using output driverSILICON LABS CP INC·Filed 2003·Granted Apr 22, 2008·13 cites·6 claims
- 3160US6956520B2SAR data converter with unequal clock pulses for MSBS to allow for settlingSILICON LABS CP INC·Filed 2003·Granted Oct 18, 2005·12 cites·22 claims
- 3260US6954170B2Open loop common mode driver for switched capacitor input to SARSILICON LABS CP INC·Filed 2003·Granted Oct 11, 2005·10 cites·8 claims
- 3360US6898689B2Paging scheme for a microcontroller for extending available register spaceSILICON LABS CP INC·Filed 2002·Granted May 24, 2005·8 cites·22 claims
- 3459US7119526B2Processor based integrated circuit with a supply voltage monitor using bandgap device without feedbackSILICON LABS CP INC·Filed 2004·Granted Oct 10, 2006·8 cites·18 claims
- 3558US6886089B2Method and apparatus for accessing paged memory with indirect addressingSILICON LABS CP INC·Filed 2002·Granted Apr 26, 2005·6 cites·50 claims
- 3657US6885219B2Programmable driver for an I/O pin of an integrated circuitSILICON LABS CP INC·Filed 2003·Granted Apr 26, 2005·4 cites·15 claims
- 3756US7071733B2Cross-bar matrix for connecting digital resources to I/O pins of an integrated circuitSILICON LABS CP INC·Filed 2004·Granted Jul 4, 2006·2 cites·9 claims
- 3856US7042201B2Digital control circuit for switching power supply with pattern generatorSILICON LABS CP INC·Filed 2003·Granted May 9, 2006·10 cites·11 claims
- 3956US6954167B2Common centroid layout for parallel resistors in an amplifier with matched AC performanceSILICON LABS CP INC·Filed 2003·Granted Oct 11, 2005·8 cites·11 claims
- 4056US6950052B2Noise cancellation in a single ended SAR converterSILICON LABS CP INC·Filed 2003·Granted Sep 27, 2005·8 cites·8 claims
- 4153US7126206B2Distributed capacitor arraySILICON LABS CP INC·Filed 2004·Granted Oct 24, 2006·5 cites·18 claims
- 4253US6879004B2High voltage difference amplifier with spark gap ESD protectionSILICON LABS CP INC·Filed 2002·Granted Apr 12, 2005·5 cites·22 claims
- 4351US7251112B2Battery protect circuit for switched circuit that switches between a supply and a batterySILICON LABS CP INC·Filed 2004·Granted Jul 31, 2007·4 cites·21 claims
- 4450US7606626B2Speaking thermometerSILICON LABS CP INC·Filed 2004·Granted Oct 20, 2009·1 cites·13 claims
- 4549US6950491B1Clock circuit with fractional divide circuitSILICON LABS CP INC·Filed 2004·Granted Sep 27, 2005·4 cites·4 claims
- 4646US2008126728A1Method and apparatus for protecting internal memory from external accessSILICON LABS CP INC·Filed 2007·Application pending·0 cites
- 4741US7492139B2Digital control circuit for switching power supply with serial data inputSILICON LABS CP INC·Filed 2006·Granted Feb 17, 2009·0 cites·7 claims
- 4838US7303844B2Marking system for a semiconductor wafer to identify problems in mask layersSILICON LABS CP INC·Filed 2004·Granted Dec 4, 2007·0 cites·3 claims
- 4932US7502883B2USB integrated moduleSILICON LABS CP INC·Filed 2003·Granted Mar 10, 2009·1 cites·25 claims
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