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| Number | Title | Issue Date |
| 8143902 | eFuse macro An eFuse with at least one fuse unit is provided. The fuse unit includes a common node, a sensing unit with a first input terminal and a second input terminal, at least one fuse coupled between the common node and the first input terminal of the sensing unit with a ... | 03/27/2012 |
| 8098074 | Monitoring circuit for semiconductor device Provided is a technology for monitoring the electrical resistance of an element such as a fuse whose resistance is changed due to the electrical stress among internal circuits included in a semiconductor device. The present invention provides a monitoring circuit to... | 01/17/2012 |
| 8063646 | Apparatus and methods for testing microelectronic devices Microelectronic devices, methods for testing microelectronic devices, and detachable electrical components. One embodiment of an apparatus for testing microelectronic devices in accordance with the invention comprises a board having a primary side, a secondary side,... | 11/22/2011 |
| 8026727 | Circuit arrangement and system for use in a motor vehicle A circuit arrangement comprises a fuse element from which degradation can start. The circuit arrangement also comprises a sensor element for detecting the degradation, and a circuit part to be protected. The sensor element can detect degradation into a region betwee... | 09/27/2011 |
| RE41466 | Fuse saving tester for fused circuit In one form, tester for an electrical system, such as for a vehicle, develops repetitively applied, short duration, control current pulses for reducing load current pulses through the electrical system. An operator connects a pair of input contacts across a fuse hol... | 08/03/2010 |
| 7733096 | Methods of testing fuse elements for memory devices A method of testing a fuse element for a memory device is provided. A first test probe is electrically connected to a program terminal of the memory device. A second test probe is electrically connected to a ground terminal. The fuse element is on an electrical circ... | 06/08/2010 |
| 7701226 | Systems and methods for determining the state of a programmable fuse in an IC Systems and methods for detecting the mode (a.k.a., state) of a fuse or set of fuses in a device such as an integrated circuit. One embodiment comprises a method for determining three fuse states (uncut, cut, and destroyed) by comparing the fuse voltage with two ref... | 04/20/2010 |
| 7679373 | Trimming circuit, electronic circuit, and trimming control system A trimming circuit, an electronic circuit, and a trimming control system for reducing the risk of failures when perform trimming and for ensuring that a desired device is readily manufactured. A selector, a resistor, and a fuse are connected in series between a powe... | 03/16/2010 |
| 7598749 | Integrated circuit with fuse programming damage detection An integrated circuit with an efuse having an efuse link includes a damage detection structure disposed in relation to the efuse so as to detect damage in the IC resulting from programming the efuse. Damage sensing circuitry is optionally included on the IC. Embodim... | 10/06/2009 |
| 7573273 | Fuse cutting test circuit, fuse cutting test method, and semiconductor circuit A fuse cutting test method to test the state of a fuse includes measuring the current flowing through the fuse and determining the fuse to be either broken, or not broken, or in a state therebetween, based on the measured current. ... | 08/11/2009 |
| 7511509 | Semiconductor device and test system which output fuse cut information sequentially A semiconductor device includes a plurality of fuses, and a plurality of latch circuits respectively electrically connected to the plurality of fuses. The plurality of latch circuits are configured to store respective fuse-cut information from the plurality of fuses... | 03/31/2009 |
| 7432722 | Flexible continuity and circuit tester A flexible circuit and continuity testing device may include a flexible printed circuit substrate. A battery having a positive and negative terminal may be attached to the substrate. An illumination source, e.g., an LED, may be attached to the substrate. The testing... | 10/07/2008 |
| 7394343 | Blade fuse tester having lamp A handheld device having a lamp for testing and clipping a blade fuse includes a handle having two probes extended therefrom, a clamp formed on one end of the handle, and an indicator for indicating the condition of the fuse. One of the probes is movably disposed on... | 07/01/2008 |
| 7369030 | Fuse state indicator A fuse state indicator includes an extension member, a secondary fuse link coupled to the extension member, and a contact pin configured to engage a first terminal element of a fuse. An end of the secondary fuse link is wrapped around the pin and establishes an elec... | 05/06/2008 |
| 7343256 | Configurable voltage regulator A configurable semiconductor has a device characteristic that is controllable as a function of at least one external impedance. A measurement circuit measures an electrical characteristic of the at least one external impedance and determines a select value correspon... | 03/11/2008 |
| 7336465 | Protection device of a surge protector The present invention relates to an protection device of a surge protector, which comprises: a first fuse; a resistor; a switching circuit; a second fuse; and a surge protector; thereby the switching circuit can be turned ON and make the resistor be heated when the ... | 02/26/2008 |
| 7304527 | Fuse sensing circuit A sensing circuit senses the programmed state of fuses such as polysilicon (poly) fuses. In a preferred embodiment, the sensing circuit comprises first and second amplifier stages, a fuse and a reference resistor wherein the fuse and the reference resistor are conne... | 12/04/2007 |
| 7276955 | Circuit and method for stable fuse detection A fuse state detection circuit is comprised of a first fuse element, a second fuse element, and an output for carrying an output signal, the output signal represents a first logic state when the first fuse element is blown and the second fuse element is unblown and ... | 10/02/2007 |
| 7250783 | Current mirror multi-channel leakage current monitor circuit and method A current mirror multi-channel leakage monitor circuit and method measures die leakage and generates digital keeper control bits to control a process compensated dynamic circuit. The leakage monitor enables high resolution on-chip leakage measurements in multiple lo... | 07/31/2007 |
| 7248053 | One time operating state detecting method and apparatus A method and apparatus for detecting a change in an electrical property between contacts. A one-time operating state detection device includes a member coupling a pair of contacts and a detector for detecting a change in the coupling between the pair of contacts whe... | 07/24/2007 |
| 7209845 | Configurable voltage regulator A method selects a group of values for an external impedance used to configure a semiconductor. The external impedance has a tolerance and the group of values include a quantity. The method includes providing a measurement circuit as a portion of the semiconductor; ... | 04/24/2007 |
| 7200063 | Circuitry for a programmable element As part of anti-fuse circuitry for a memory device, a preferred exemplary embodiment of the current invention provides a direct connection between an anti-fuse and a contact pad used to provide voltage to that anti-fuse. The contact pad also serves as a voltage sour... | 04/03/2007 |
| 7180320 | Adaptive integrated circuit based on transistor current measurements BUR920020148US13 A method of tuning an integrated circuit on an integrated circuit chip including: performing a drain current at saturation measurement of one or more test field effect transistors on the integrated circuit chip; selectively programming fuses of a ba... | 02/20/2007 |
| 7170299 | Electronic fuse blow mimic and methods for adjusting electronic fuse blow A system, method and program product for adjusting an environmental variable of a fuse blow of an electronic fuse are disclosed. A mimic NFET is coupled to a fuse blow source voltage line, a fuse blow gate voltage line, and a chip ground in the same manner as the el... | 01/30/2007 |
| 7170148 | Semi-fusible link system for a multi-layer integrated circuit and method of making same A semi-fusible link system and method for a multi-layer integrated circuit including active circuitry on a first layer having a metal one layer including a semi-fusible link element on a second layer having a metal two layer adapted for interconnecting with the meta... | 01/30/2007 |
| 7148698 | Fuse saving tester for fused circuit In one form, tester for an electrical system, such as for a vehicle, develops repetitively applied, short duration, control current pulses for reducing load current pulses through the electrical system. An operator connects a pair of input contacts across a fuse hol... | 12/12/2006 |
| 7145346 | On-chip resistance monitor and diagnoses for electrical fuses A fuse resistance monitoring system is disclosed to comprise at least one non-regenerative sense amplifier; at least one fuse module having at least one fuse cell coupled to a first terminal of the sense amplifier; and a reference resistor coupled to a second termin... | 12/05/2006 |
| 7142407 | Squib driver for airbag application A circuit and a method are given, to realize a very efficient driver device for igniters or squibs as used e.g. in airbag applications. Special attention has been turned to include secure and always reliable operating features into the device and at the same time to... | 11/28/2006 |
| 7135868 | Method and apparatus for testing gate oxide with fuse An apparatus and method for testing a dielectric layer. The apparatus includes a first conductive plate and a second conductive plate. The first conductive plate and the second conductive plate are in direct contact with a dielectric layer. Additionally, the apparat... | 11/14/2006 |
| 7126488 | Method and apparatus used in combination for installing a blown fuse indicator light within a pre-existing fuse housing Herein provided is a method and apparatus that allows a pre-existing fuse housing to be easily modified and adapted to include a blown fuse indicator light thereon. Whereby when the fuse housing and light in combination are installed within an electrical circuit and... | 10/24/2006 |
| 7071704 | Circuit for improved diagnosability of defects in a fuse scan structure An apparatus comprising a first control circuit, a second control circuit, a latch circuit and a flip-flop. The first control circuit may be configured to generate a first control signal in response to (i) an input signal from a fuse and (ii) one or more read signal... | 07/04/2006 |
| 7064520 | Electrical connection arrangement for hand-held tools with auxiliary devices An electrical connection arrangement (10) for a battery pack-powered electrical hand-hand tool (2) has an adapter (16) which can be arranged at an electric hand-held tool (2) and which, for the electrical connection of the electric hand-h... | 06/20/2006 |
| 7058526 | Method, apparatus and computer program product for implementing enhanced power system with optimized fuse placement and sizing A method, apparatus and computer program product are provided for implementing power system performance. Power supply system data are processed and a power path in a power supply system having a predefined component failure mode is identified for placement of a fuse... | 06/06/2006 |
| 7049833 | Method for optimizing the accuracy of an electronic circuit The present invention provides an apparatus and method for improving the accuracy of circuits. The apparatus includes a replicate circuit and a trim determination circuit. The trim determination circuit includes a measurable circuit element and determines the state ... | 05/23/2006 |
| 7019534 | Detecting the status of an electrical fuse A fuse detection circuit has; a fuse (102) under detection to produce a first voltage in the first arm in response to a read signal; a reference fuse (108) to produce a second voltage in response to the read signal; a sensing circuit (124) to se... | 03/28/2006 |
| 7009443 | Method and circuit for fuse programming and endpoint detection In one embodiment, a system comprises a programming unit coupled to at least one programmable fuse and configured to program the programmable fuse. In addition, the system comprises a monitoring circuit coupled to the programmable fuse and configured to monitor elec... | 03/07/2006 |
| 6995601 | Fuse state detection circuit A fuse state detection circuit (300) has a reference circuit part (302, 302′) and a fuse detection circuit part (308, 308′), the reference circuit part (302, 302′) having a fuse (304, 304′) identical to a fuse (306, 306 | 02/07/2006 |
| 6977510 | Very precise resistance measurement A circuit and a related method to measure very precisely the resistance Rm of a small resistor independent from process and temperature variations. This resistor may be the RON resistance of an external sensor or e.g. the resistance of a safety device as ... | 12/20/2005 |
| 6975312 | Computer system having network connector and method of checking connection state of network cable therefor A computer system having a network connector to which a network cable is connected, including a displaying part displaying a connection state of the network cable; a signal processing part processing a signal inputted through the network connector; and a control par... | 12/13/2005 |
| 6967473 | Attachable/detachable variable spacing probing tip system An attachable/detachable variable spacing probing tip system has a housing that receives pivoting probing arms. Each probing arm has a support member and a probing arm portion of a flexible substrate having a conductive trace thereon. One end of each conductive trac... | 11/22/2005 |
