Assignee
EXAR CORP
US·171 granted patents·14 pending applications·3,310 citations·filing 1985–2018
Top patents by PatentIndex Score
185 records- 0195US7574321B2Model predictive thermal managementEXAR CORP·Filed 2006·Granted Aug 11, 2009·58 cites·23 claims
- 0295US5325045ALow voltage CMOS bandgap with new trimming and curvature correction methodsEXAR CORP·Filed 1993·Granted Jun 28, 1994·117 cites·21 claims
- 0394US7646224B2Means to detect a missing pulse and reduce the associated PLL phase bumpEXAR CORP·Filed 2007·Granted Jan 12, 2010·31 cites·12 claims
- 0492US7652604B2Programmable analog-to-digital converter for low-power DC-DC SMPSEXAR CORP·Filed 2007·Granted Jan 26, 2010·28 cites·20 claims
- 0592US7525471B2Wide-input windowed nonlinear analog-to-digital converter for high-frequency digitally controlled SMPSEXAR CORP·Filed 2008·Granted Apr 28, 2009·30 cites·10 claims
- 0692US7405689B2Predictive analog to digital converters and methods of usingEXAR CORP·Filed 2005·Granted Jul 29, 2008·27 cites·57 claims
- 0792US6340944B1Programmable power consumption pipeline analog-to-digital converter with variable resolutionEXAR CORP·Filed 2000·Granted Jan 22, 2002·74 cites·11 claims
- 0891US9829356B1Method and apparatus for multi-channel sensor interface with programmable gain, offset and biasEXAR CORP·Filed 2016·Granted Nov 28, 2017·6 cites·14 claims
- 0991US7667625B2Universal and fault-tolerant multiphase digital PWM controller for high-frequency DC-DC convertersEXAR CORP·Filed 2007·Granted Feb 23, 2010·18 cites·20 claims
- 1091US6744292B2Loop filter capacitor multiplication in a charge pump circuitEXAR CORP·Filed 2002·Granted Jun 1, 2004·60 cites·8 claims
- 1191US6157270AProgrammable highly temperature and supply independent oscillatorEXAR CORP·Filed 1998·Granted Dec 5, 2000·114 cites·15 claims
- 1291US5389829AOutput limiter for class-D BICMOS hearing aid output amplifierEXAR CORP·Filed 1992·Granted Feb 14, 1995·66 cites·10 claims
- 1390US6624671B2Wide-band replica output current sensing circuitEXAR CORP·Filed 2001·Granted Sep 23, 2003·43 cites·13 claims
- 1489US7459951B2Self-calibrating digital pulse-width modulator (DPWM)EXAR CORP·Filed 2006·Granted Dec 2, 2008·17 cites·16 claims
- 1588US7242235B1Dual data rate flip-flopEXAR CORP·Filed 2005·Granted Jul 10, 2007·19 cites·4 claims
- 1688US6121805AUniversal duty cycle adjustment circuitEXAR CORP·Filed 1998·Granted Sep 19, 2000·84 cites·19 claims
- 1788US5933056ASingle pole current mode common-mode feedback circuitEXAR CORP·Filed 1997·Granted Aug 3, 1999·68 cites·11 claims
- 1887US6323703B1Indirect output current sensingEXAR CORP·Filed 2000·Granted Nov 27, 2001·33 cites·16 claims
- 1986US6774942B1Black level offset calibration system for CCD image digitizerEXAR CORP·Filed 2000·Granted Aug 10, 2004·58 cites·10 claims
- 2086US5604452AClock generator using a state machine to switch between two offset clocksEXAR CORP·Filed 1995·Granted Feb 18, 1997·60 cites·7 claims
- 2185US6424510B1ESD structure for IC with over-voltage capability at pad in steady-stateEXAR CORP·Filed 2000·Granted Jul 23, 2002·38 cites·14 claims
- 2285US6300820B1Voltage regulated charge pumpEXAR CORP·Filed 2000·Granted Oct 9, 2001·50 cites·22 claims
- 2385US5452711ASmall form factor atomizerEXAR CORP·Filed 1993·Granted Sep 26, 1995·112 cites·6 claims
- 2485US5016080AProgrammable die size continuous arrayEXAR CORP·Filed 1988·Granted May 14, 1991·68 cites·18 claims
- 2584US7683696B1Open-drain output buffer for single-voltage-supply CMOSEXAR CORP·Filed 2007·Granted Mar 23, 2010·12 cites·12 claims
- 2684US7330056B1Low power CMOS LVDS driverEXAR CORP·Filed 2005·Granted Feb 12, 2008·14 cites·6 claims
- 2784US5440254AAccurate low voltage detect circuitEXAR CORP·Filed 1992·Granted Aug 8, 1995·58 cites·11 claims
- 2883US7688154B1Amplitude regulated crystal oscillatorEXAR CORP·Filed 2006·Granted Mar 30, 2010·13 cites·12 claims
- 2983US7543163B2Low power method of monitoring and of responsively initiating higher powered intelligent response to detected change of conditionEXAR CORP·Filed 2006·Granted Jun 2, 2009·13 cites·30 claims
- 3083US5870002APhase-frequency lock detectorEXAR CORP·Filed 1997·Granted Feb 9, 1999·60 cites·19 claims
- 3182US5506532AOutput limiter for class-D BICMOS hearing aid output amplifierEXAR CORP·Filed 1995·Granted Apr 9, 1996·50 cites·6 claims
- 3282US5446412AContinuously linear pulse amplifier/line driver with large output swingEXAR CORP·Filed 1994·Granted Aug 29, 1995·47 cites·11 claims
- 3382US5357379ARead/write circuit with switchable head resistance for read and write modesEXAR CORP·Filed 1993·Granted Oct 18, 1994·37 cites·11 claims
- 3481US6452248B1Low-powered, self-timed, one-time in-circuit programmable MOS fuse element and circuitEXAR CORP·Filed 2000·Granted Sep 17, 2002·33 cites·6 claims
- 3581US5592167AAnalog-digital converter using current controlled voltage referenceEXAR CORP·Filed 1994·Granted Jan 7, 1997·47 cites·21 claims
- 3680US5852360AProgrammable low drift reference voltage generatorEXAR CORP·Filed 1997·Granted Dec 22, 1998·36 cites·17 claims
- 3780US5844431ALow noise low power CMOS correlated double samplerEXAR CORP·Filed 1996·Granted Dec 1, 1998·69 cites·9 claims
- 3879US7078958B2CMOS bandgap reference with low voltage operationEXAR CORP·Filed 2003·Granted Jul 18, 2006·29 cites·15 claims
- 3979US6351165B1Digital jitter attenuator using an accumulated count of phase differencesEXAR CORP·Filed 2000·Granted Feb 26, 2002·30 cites·9 claims
- 4079US6031389ASlew rate limited output driverEXAR CORP·Filed 1997·Granted Feb 29, 2000·35 cites·11 claims
- 4179US5512816ALow-voltage cascaded current mirror circuit with improved power supply rejection and method thereforEXAR CORP·Filed 1995·Granted Apr 30, 1996·38 cites·10 claims
- 4278US6952240B2Image sampling circuit with a blank reference combined with the video inputEXAR CORP·Filed 2001·Granted Oct 4, 2005·25 cites·13 claims
- 4378US6462695B1Dynamic biasing techniques for low power pipeline analog to digital convertersEXAR CORP·Filed 2001·Granted Oct 8, 2002·23 cites·13 claims
- 4478US6313672B1Over-voltage tolerant integrated circuit I/O bufferEXAR CORP·Filed 1999·Granted Nov 6, 2001·35 cites·8 claims
- 4578US5247581AClass-d bicmos hearing aid output amplifierEXAR CORP·Filed 1991·Granted Sep 21, 1993·67 cites·17 claims
- 4676US7710174B2Digital pulse-width modulator based on non-symmetric self-oscillating circuitEXAR CORP·Filed 2008·Granted May 4, 2010·13 cites·15 claims
- 4776US7441039B2Method and apparatus for adapting mac and network processor core to packet format changes and for mapping RPR architecture over spatial reuse architectureEXAR CORP·Filed 2003·Granted Oct 21, 2008·26 cites·6 claims
- 4875US7609185B2Methods of using predictive analog to digital convertersEXAR CORP·Filed 2008·Granted Oct 27, 2009·8 cites·15 claims
- 4974US5248624AMethod of making isolated vertical pnp transistor in a complementary bicmos process with eeprom memoryEXAR CORP·Filed 1991·Granted Sep 28, 1993·50 cites·25 claims
- 5073US7821431B2Universal and fault-tolerant multiphase digital PWM controller for high-frequency DC-DC convertersEXAR CORP·Filed 2010·Granted Oct 26, 2010·3 cites·17 claims
Showing the top 50 of 185 patent records by PatentIndex Score.
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