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6625001 |
Directional tap
In a directional tap, a splitting circuit receives a video signal from an input port and outputs a distributed video signal corresponding to the video signal from the input port at each of multiple...
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6624998 |
Electrostatic discharge protection scheme in low potential drop environments
Electrostatic Discharge (ESD) protection scheme includes a divided rail structure to route damaging ESD away from sensitive circuitry. Specifically, V dd and V ss rails are divided to segregate...
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6624992 |
Electro-static discharge protection circuit
An arrangement for protecting an element from electro-static discharge. A switch is provided to inhibit the flow of energy through the element in response to the control signal. In the illustrative...
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6621673 |
Two-stage ESD protection circuit with a secondary ESD protection circuit having a quicker trigger-on rate
A two-stage ESD protection circuit coupled between an I/O pad and a power rail is provided in the present invention. The two-stage ESD protection circuit has a primary ESD protection circuit and a...
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6621260 |
Special contact points for accessing internal circuitry of an integrated circuit
One embodiment of the present invention concerns an integrated circuit that includes bond pads and special contact pads or points. The bond pads are for interfacing the integrated circuit as a...
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6618233 |
Double triggering mechanism for achieving faster turn-on
An ESD protection circuit includes a SCR and a switching means, such as a MOS transistor connected to the SCR so that the SCR is turned on by the switching means to allow an ESD pulse to pass from...
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6618230 |
Electrostatic discharge cell of integrated circuit
The present invention provides an IC ESD cell, which is applicable to multiple-power-input and mixed-voltage ICs and capable of maintaining power sequence independence of each power source. The ESD...
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6614633 |
Semiconductor device including a surge protecting circuit
A protecting apparatus includes a back-flow preventing Zener diode having a cathode connected directly to a control terminal of a main transistor formed on a semiconductor substrate. A protecting...
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6614061 |
Electrostatic discharge-protection semiconductor device
The present invention provides an electrostatic discharge-protection device located between a pad and a specific voltage point. The electrostatic discharge-protection device has a P-type substrate....
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6611407 |
ESD protection circuit
ESD protection circuit which can minimize fluctuation of a gate voltage with an ESD input voltage, for improving an ESD protection capability, including a first transistor connected to an input pad...
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6608785 |
Method and apparatus to ensure functionality and timing robustness in SOI circuits
Methods and apparatus are provided to ensure functionality and timing robustness in silicon-on-insulator (SOI) complementary metal oxide semiconductor (CMOS) circuits. A select signal for the SOI...
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6608744 |
SOI CMOS input protection circuit with open-drain configuration
An integrated circuit fabricated by silicon-on-insulator technology has an input terminal coupled to the gate electrodes of a CMOS inverter. Within the integrated circuit, the input terminal is...
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6603646 |
Multi-functional energy conditioner
The present invention relates to a multi-functional energy conditioner having architecture employed in conjunction with various dielectric and combinations of dielectric materials to provide one or...
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6598182 |
Electromigration and extrusion monitor and control system
A system for stressing and monitoring an electrical device, such that the imposed stress conditions may be terminated at electronic speeds, thereby preventing destruction of the device under test....
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6597234 |
Anti-fuse circuit and method of operation
An anti-fuse useful in implementing redundancy in a memory utilizes a normal transistor characteristic that is generally considered undesirable in order to provide two easily detected states. The...
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6597227 |
System for providing electrostatic discharge protection for high-speed integrated circuits
An ESD protection circuit uses an inductor to create an electromagnetic resonance in conjunction with the load capacitance of a conventional ESD device. By properly tuning the resonance of this...
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6594128 |
Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package
The present invention relates to a passive electronic component architecture employed in conjunction with various dielectric and combinations of dielectric materials to provide one or more...
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6587322 |
Swapped drain structures for electrostatic discharge protection
A method and apparatus for manufacturing an electrostatic discharge protection device. A first gate structure for the electrostatic device is formed. A first lightly doped drain and a second...
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6587321 |
Methods and systems for improving ESD clamp response time
The present invention relates to electrostatic discharge (ESD) protection and, more particularly, to methods and systems for improving response times of ESD triggering and clamping circuitry. An...
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6587320 |
Apparatus for current ballasting ESD sensitive devices
A current ballasting circuit for an ESD protection device couples nonintersecting conductive strips between a common contact pad and the contact electrodes of the ESD protection device. The...
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6583978 |
Limited restrike electric power circuit interrupter suitable for use as a line capacitor and load switch
An actuator mechanism that decreases the time needed to move the contacts of a circuit interrupter between a closed circuit position and an open circuit position to reduce the probability of the...
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6583972 |
Multi-finger current ballasting ESD protection circuit and interleaved ballasting for ESD-sensitive circuits
A multi-finger electro-static discharge (ESD) protection circuit has at least two first resistive channels defining input fingers. At least two field effect transistor (FET) channels, each having a...
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6580595 |
PREDETERMINED SYMMETRICALLY BALANCED AMALGAM WITH COMPLEMENTARY PAIRED PORTIONS COMPRISING SHIELDING ELECTRODES AND SHIELDED ELECTRODES AND OTHER PREDETERMINED ELEMENT PORTIONS FOR SYMMETRICALLY BALANCED AND COMPLEMENTARY ENERGY PORTION CONDITIONING
A predetermined amalgamation of electrodes formed or manufactured at least in part, by predetermined, sequential manufacturing operations into a balanced and shielding electrode structure. The...
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6580594 |
Device for the protection of interconnection lines in an integrated circuit
The protection device for an interconnection line of an integrated circuit includes a charge flow-off device connected between the interconnection line to be protected and the substrate of the...
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6580592 |
Semiconductor device
A semiconductor device having an input circuit for effectively preventing breakdown caused by an electrostatic surge is provided. A first NMOS transistor is connected between an input terminal and...
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6580591 |
Switched electrostatic discharge ring for integrated circuits with multiple power inputs
An electrostatic discharge (ESD) switch circuit for an integrated circuit (IC) with multiple power inputs for improving pin-to-power isolation of the IC. The IC includes a plurality of positive...
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6580184 |
Electrostatic discharge (ESD) protection circuit of silicon-controlled rectifier (SCR) structure operable at a low trigger voltage
An ESD protection circuit having silicon-controlled rectifier structure, includes a PNP transistor and an NPN transistor. A switch circuit is connected between a ground voltage terminal and a well...
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6577481 |
Cascoded NPN electrostatic discharge protection circuit
The electrostatic discharge protection circuit includes: at least two bipolar transistors Q 1 -Qn coupled in series; a top one Qn of the at least two bipolar transistors coupled to a protected node...
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6577480 |
Adjustable trigger voltage circuit for sub-micrometer silicon IC ESD protection
An electrostatic protection (ESD) circuit for an integrated circuit (IC) includes a string of a plurality of diodes connected between a Vss line and a Vdd line. A first PMOS transistor and a first...
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6576959 |
Device and method of low voltage SCR protection for high voltage failsafe ESD applications
A semiconductor circuit for multi-voltage operation having built-in electrostatic discharge (ESD) protection is described, comprising a drain extended nMOS transistor and a pnpn silicon controlled...
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6576934 |
Embedded SCR protection device for output and input pad
An embedded SCR in conjunction with a Gated-NMOS is created for protecting a chip input or output pad from ESD, by inserting a p+ diffusion and the n-well in the drain side and a part of the drain...
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6567251 |
Electrostatic discharge protection of electrically-inactive components
This present invention is embodied in a system and a method for protecting an electrically-inactive component of a microsystem from an ESD event. The invention includes embodiments that protect the...
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6560086 |
Transient voltage surge suppressor
A transient voltage surge suppressor is provided to protect equipment with voltage sensitive electronics, such as office equipment, from surges or transients in the multi-phase power distribution...
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6560081 |
Electrostatic discharge (ESD) protection circuit
An ESD protection circuit that can be easily configured to provide ESD event protection against a range of ESD event voltages. The circuit is also compatible with high frequency ICs. The ESD...
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6560080 |
Low-voltage triggered ESD protection circuit
The present invention provides an electrostatic discharge (ESD) protection circuit. The ESD protection circuit comprises a semiconductor-controlled-rectifier (SCR) and a non-volatile memory. The...
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6556409 |
Integrated circuit including ESD circuits for a multi-chip module and a method therefor
An integrated circuit that includes I/O circuitry that may or may not be protected from ESD damage. The protection from ESD damage may be selectively deactivated or activated or may not be present...
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6556399 |
Device and method for electrostatic discharge protection of a circuit device
An circuit device includes a stack of electrostatic discharge protection devices shared between a plurality of contact pads on the device. In addition, each contact pad is coupled to its own...
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6556398 |
Voltage tolerance ESD protection circuit
The present invention provides an ESD protection circuit for preventing an internal circuit from being damaged by ESD, wherein the internal circuit is connected to a pad. The ESD protection circuit...
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6552887 |
Voltage dependent capacitor configuration for higher soft error rate tolerance
A voltage dependent capacitor to provide soft error rate tolerance in an integrated circuit is disclosed. In one embodiment, a parallel n-p voltage dependent capacitor is used to protect a node...
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6552886 |
Active Vcc-to-Vss ESD clamp with hystersis for low supply chips
An electro-static-discharge (ESD) protection circuit is coupled between power and ground. It protects core circuits in a semiconductor chip. The ESD protection circuit is an active circuit that...
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6549389 |
Electrode arrangement for circuit energy conditioning
A differential mode and common mode filtering arrangement ( 1—1, 1-2, 1-3 A, 1-6 ) having a plurality of shielded electrodes ( 213, 215 ) and a plurality of shielding electrodes ( 204, 214, 269...
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6548978 |
Suppression circuit
A suppression circuit, in particular for suppressing the noise of the wiper motor of a motor-vehicle, is provided with at least two capacitors ( 4, 5 ), which are situated between one common ( 1 )...
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6545520 |
Method and apparatus for electro-static discharge protection
A circuit includes an output driver, where the output driver includes a pull-up device and a pull-down device. The pull-up device has a first control terminal that is responsive to an RC-timer so...
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6542346 |
High-voltage tolerance input buffer and ESD protection circuit
A high-voltage tolerance input buffer and a high-voltage ESD protection circuit connected to a pad of an integrated circuit for preventing rapid gate oxide aging. The high-voltage tolerance input...
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6538868 |
Electrostatic discharge protective circuit
An electrostatic discharge protective circuit can receive a pre-stage driver output and involve a first PMOS transistor, a first NMOS transistor and a second NMOS transistor and all connect in...
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6538867 |
FET switch with overvoltage protection
A bus switch for transferring logic signals between nodes without the problems associated with overvoltage conduction. The bus switch is an FET switch including a single primary transfer...
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6538866 |
Circuit for protecting a load from an overvoltage
A circuit for protecting a load from an overvoltage can be integrated together with the load on the same chip by an MOS transistor manufacture process. This overvoltage protecting circuit is...
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6538304 |
Corner bonding to lead frame
A lead frame for an integrated circuit includes a ground for the integrated circuit to ground the integrated circuit, the lead frame having at least one corner connected to the ground; and a...
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6537667 |
Electro-conductive oxide particle and process for its production
An electro-conductive oxide particle comprising indium atoms, antimony atoms and oxygen atoms in a molar ratio of Sb/In of from 0.03 to 0.08, having a primary particle diameter of from 2 to 300 nm,...
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6535368 |
Shared 5 volt tolerant ESD protection circuit for low voltage CMOS process
An integrated circuit is provided with a local electrostatic discharge (ESD) protection circuitry ( 120 ) associated with each signal pad. The integrated circuit has internal circuitry ( 100 ) that...
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