Inventor
DUVVURY CHARVAKA
US74 patents
⚠️ This page may combine multiple inventors who share the name “DUVVURY CHARVAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXAS INSTRUMENTS INC
49 patentsUS6858902B1Feb 22, 2005
Efficient ESD protection with application for low capacitance I/O pads
TEXAS INSTRUMENTS INC58 citations96
US6624487B1Sep 23, 2003
Drain-extended MOS ESD protection structure
TEXAS INSTRUMENTS INC57 citations96
US6040968AMar 21, 2000
EOS/ESD protection for high density integrated circuits
TEXAS INSTRUMENTS INC82 citations96
US5940258AAug 17, 1999
Semiconductor ESD protection circuit
TEXAS INSTRUMENTS INC68 citations96
US5502317AMar 26, 1996
Silicon controlled rectifier and method for forming the same
TEXAS INSTRUMENTS INC47 citations96
US4896243AJan 23, 1990
Efficient ESD input protection scheme
TEXAS INSTRUMENTS INC73 citations96
US4855620AAug 8, 1989
Output buffer with improved ESD protection
TEXAS INSTRUMENTS INC104 citations96
US5907462AMay 25, 1999
Gate coupled SCR for ESD protection circuits
TEXAS INSTRUMENTS INC68 citations95
US6064249AMay 16, 2000
Lateral DMOS design for ESD protection
TEXAS INSTRUMENTS INC89 citations94
US6690066B1Feb 10, 2004
Minimization and linearization of ESD parasitic capacitance in integrated circuits
TEXAS INSTRUMENTS INC51 citations93
US6249413B1Jun 19, 2001
Semiconductor ESD protection circuit
TEXAS INSTRUMENTS INC28 citations93
US5903032AMay 11, 1999
Power device integration for built-in ESD robustness
TEXAS INSTRUMENTS INC40 citations93
US5369041ANov 29, 1994
Method for forming a silicon controlled rectifier
TEXAS INSTRUMENTS INC41 citations93
US7838924B2Nov 23, 2010
MOS device with substrate potential elevation
TEXAS INSTRUMENTS INC17 citations92
US6826026B2Nov 30, 2004
Output buffer and I/O protection circuit for CMOS technology
TEXAS INSTRUMENTS INC29 citations92
US6804095B2Oct 12, 2004
Drain-extended MOS ESD protection structure
TEXAS INSTRUMENTS INC34 citations92
US6764892B2Jul 20, 2004
Device and method of low voltage SCR protection for high voltage failsafe ESD applications
TEXAS INSTRUMENTS INC23 citations92
US6462380B1Oct 8, 2002
ESD protection circuit for advanced technologies
TEXAS INSTRUMENTS INC25 citations92
US6365940B1Apr 2, 2002
High voltage trigger remote-cathode SCR
TEXAS INSTRUMENTS INC36 citations92
US6125021ASep 26, 2000
Semiconductor ESD protection circuit
TEXAS INSTRUMENTS INC52 citations92
US5986867ANov 16, 1999
Protection circuit for output drivers
TEXAS INSTRUMENTS INC26 citations92
US5814865ASep 29, 1998
Bimodal ESD protection for DRAM power supplies and SCRs for DRAMs and logic circuits
TEXAS INSTRUMENTS INC36 citations92
US5493133AFeb 20, 1996
PNP punchthrough-assisted protection device for special applications in CMOS technologies
TEXAS INSTRUMENTS INC42 citations92
US5468667ANov 21, 1995
Method of placing source contacts for efficient ESD/EOS protection in grounded substrate MOS integrated circuit
TEXAS INSTRUMENTS INC29 citations92
US5450267ASep 12, 1995
ESD/EOS protection circuits for integrated circuits
TEXAS INSTRUMENTS INC36 citations92
US5404041AApr 4, 1995
Source contact placement for efficient ESD/EOS protection in grounded substrate MOS integrated circuit
TEXAS INSTRUMENTS INC34 citations92
US5343433AAug 30, 1994
CMOS sense amplifier
TEXAS INSTRUMENTS INC36 citations92
US5127739AJul 7, 1992
CMOS sense amplifier with bit line isolation
TEXAS INSTRUMENTS INC34 citations92
US5982217ANov 9, 1999
PNP driven NMOS ESD protection circuit
TEXAS INSTRUMENTS INC42 citations91
US6534833B1Mar 18, 2003
Semiconductor device with protection circuitry and method
TEXAS INSTRUMENTS INC20 citations90
US6078083AJun 20, 2000
ESD protection circuit for dual 3V/5V supply devices using single thickness gate oxides
TEXAS INSTRUMENTS INC23 citations90
US5648920AJul 15, 1997
Method and apparatus for deriving total lateral diffusion in metal oxide semiconductor transistors
TEXAS INSTRUMENTS INC26 citations90
US6137338AOct 24, 2000
Low resistance input protection circuit
TEXAS INSTRUMENTS INC40 citations89
US6140683AOct 31, 2000
Efficient NPN turn-on in a high voltage DENMOS transistor for ESD protection
TEXAS INSTRUMENTS INC21 citations88
US6071768AJun 6, 2000
Method of making an efficient NPN turn-on in a high voltage DENMOS transistor for ESD protection
TEXAS INSTRUMENTS INC46 citations88
US5925922AJul 20, 1999
Depletion controlled isolation stage
TEXAS INSTRUMENTS INC21 citations87
US6493850B2Dec 10, 2002
Integrated circuit design error detector for electrostatic discharge and latch-up applications
TEXAS INSTRUMENTS INC42 citations86
US7212387B2May 1, 2007
Electrostatic discharge protection device including precharge reduction
TEXAS INSTRUMENTS INC13 citations84
US6576959B2Jun 10, 2003
Device and method of low voltage SCR protection for high voltage failsafe ESD applications
TEXAS INSTRUMENTS INC15 citations84
US6469353B1Oct 22, 2002
Integrated ESD protection circuit using a substrate triggered lateral NPN
TEXAS INSTRUMENTS INC18 citations84
US7282767B2Oct 16, 2007
Guardwall structures for ESD protection
TEXAS INSTRUMENTS INC10 citations83
US7280330B2Oct 9, 2007
ESD protection for RF power amplifier circuits
TEXAS INSTRUMENTS INC16 citations83
US7872841B2Jan 18, 2011
In package ESD protections of IC using a thin film polymer
TEXAS INSTRUMENTS INC8 citations82
US4627033ADec 2, 1986
Sense amplifier with reduced instantaneous power
TEXAS INSTRUMENTS INC25 citations82
US4608670AAug 26, 1986
CMOS sense amplifier with N-channel sensing
TEXAS INSTRUMENTS INC24 citations82
US7348643B2Mar 25, 2008
Semiconductor dual guardring arrangement
TEXAS INSTRUMENTS INC8 citations74
US7277263B2Oct 2, 2007
Local ESD protection for low-capacitance applications
TEXAS INSTRUMENTS INC7 citations74
US7256460B2Aug 14, 2007
Body-biased pMOS protection against electrostatic discharge
TEXAS INSTRUMENTS INC8 citations74
US6933567B2Aug 23, 2005
Substrate pump ESD protection for silicon-on-insulator technologies
TEXAS INSTRUMENTS INC8 citations74
UNIV ILLINOIS
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