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7622982 |
Electrical fuse device
The invention provides an electrical fuse device comprising: a plurality of fuse cores, each having an electrical fuse element and a switching element serially connected to the electrical fuse...
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7589581 |
Circuit for adjusting reference voltage using fuse trimming
A binary bidirectional trimming circuit is disclosed. The trimming circuit includes: a first resistor set having 4 resistors in parallel connected and a first fuse bridged two ends thereto provide...
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7561059 |
Anti-tamper electronic obscurity using E-fuse technology
A circuit that employs an anti-tamper sensor includes a circuit element that is responsive to a first input and to a second input. A selective coupling element couples the circuit element to the...
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7532058 |
Fuse option circuit
A fuse option circuit including a fuse, a control switch, a latch, and a logical operational controller is provided. The latch stores a selected level. The logical operational controller outputs a...
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7514982 |
Methods, devices and systems for sensing the state of fuse devices
A fuse sensing circuit includes a sense controller and a fuse state sensor. The sense controller includes a reference fuse and a reference sensor coupled to the reference fuse. The reference sensor...
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7477091 |
Defect tolerant redundancy
Circuits, methods, and apparatus for using redundant circuitry on integrated circuits in order to increase manufacturing yields. One exemplary embodiment of the present invention provides a circuit...
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7468620 |
Frequency generator apparatus and control circuit thereof
A frequency generator apparatus and a control circuit thereof are provided. The frequency generator apparatus comprises the control circuit and a frequency generator, wherein the control circuit...
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7432755 |
Programming current stabilized electrical fuse programming circuit and method
An electrical fuse programming circuit and a method for programming an electrical fuse within the electrical fuse programming circuit use a programming circuit bus to which are electrically...
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7403061 |
Method of improving fuse state detection and yield in semiconductor applications
Disclosed are embodiments of an apparatus incorporating a detection circuit adapted for determining the state of selected fuses and a programming circuit for blowing selected fuses on demand. Also,...
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7327629 |
Circuit and method for reading an antifuse
An antifuse circuit and antifuse reading method for determining whether an antifuse is programmed or un-programmed. An antifuse circuit includes a sensing circuit having a sense node coupled to the...
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7286020 |
Techniques for monitoring and replacing circuits to maintain high performance
Techniques are provided for monitoring the performance of circuits and replacing low performing circuits with higher performing circuits. A frequency detector compares the frequency of a first...
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7271644 |
Multi-state electrical fuse
An integrated circuit for programming an electrical fuse includes a first programming device coupled to the electrical fuse for selectively providing the same with a first programming current, and...
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7230468 |
Systems and methods for providing distributed control signal redundancy among electronic circuits
In one embodiment, a distributed redundant control signal distribution system comprises a first control signal source co-located with a first set of control signal controlled circuit elements, at...
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7215176 |
Analog value adjustment circuit, display driver circuit, and method of adjusting analog value
An analog value adjustment circuit includes a fuse circuit that outputs fuse data whose value changes corresponding to whether first through Nth (N is an integer of two or more) fuse elements are...
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7196570 |
Multiple-time programmable resistance circuit
Fuse circuit designs and the use thereof are disclosed. In one example, a fuse circuit providing predictable total resistances for multiple rounds of programming comprises a predetermined number of...
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7180361 |
Antifuse programming circuit in which one stage of transistor is interposed in a series with antifuse between power supplies during programming
The antifuse programming circuit of the present invention includes a plurality of antifuses, a first transistor for selecting an antifuse for programming from among the plurality of antifuses, and...
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7119603 |
Static, low-voltage fuse-based cell with high-voltage programming
A fuse-based cell is described. The fuse-based cell includes a fuse with a programming device coupled to the fuse to program the fuse. A sense device is coupled to the fuse to sense a programming...
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7114084 |
Data controlled programmable power supply
A power supply, and a method of controlling the power supply, in which more or less power capacity of the power supply is activated depending on the state of a digital data signal on a data bus....
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7091768 |
Circuit for controlling internal supply voltage driver
Provided is directed to an internal supply voltage driver control circuit which can vary a driver size by way of selecting a driver control signal by using a fuse cutout, and also decide an...
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7057441 |
Block selection circuit
Provided is directed to a block selection circuit, comprising a reference fuse block by copying fuse blocks to output a reference signal later than or at the same time to decision signals which are...
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7002219 |
Electrical fuse for integrated circuits
An electrically programmable fuse includes a metal-oxide-semiconductor (MOS) programmable transistor that is gate-source coupled by a resistive element. The resistive element can comprise a...
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6989707 |
Semiconductor circuit and initialization method
A semiconductor circuit has at least one generator fuse for setting a supply voltage and at least one redundancy fuse for activating a redundancy element. A first read-out device is provided for...
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6949969 |
Semiconductor device having relief circuit for relieving defective portion
A semiconductor device includes a relief-subject circuit, a relief circuit, and a plurality of fuse elements. The relief-subject circuit implements a predetermined function. The relief circuit is...
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6882214 |
Circuit and method for trimming locking of integrated circuits
A trimming locking circuit is provided for IC using a programmable fuse array for after-assembly trimming procedures. In one embodiment, a trimming locking circuit is provided for a single power...
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6859090 |
Buried fuse reading device
A buried fuse reading device includes at least one buried fuse and at least one sense amplifier sensing a condition of the buried fuse. A validation circuit in the buried fuse reading device...
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6842065 |
Electrical fuse programming control circuit
An electrical fuse programming control circuit includes a plurality of fuse blocks each having a plurality of electrical fuses and an end fuse block. When all of the fuse blocks are programmed, the...
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6819160 |
Self-timed and self-tested fuse blow
An apparatus and method for blowing fuses in an integrated circuit. The apparatus and method use a plurality of fuse blowing circuits coupled serially. Each successive fuse blowing circuit is...
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6794925 |
Cold spare circuit for CMOS output circuit
A first cold spare circuit has first and second transistors, and a second cold spare circuit has third and fourth transistors. The first transistor has a gate controlled by a function of a first...
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6788129 |
Integrated circuit having a programmable element and method of operating the circuit
An integrated circuit has a programmable element with an electrical interconnect resistance that can be varied by programming. An evaluation circuit for the evaluation of the electrical...
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6781436 |
Programming transistor in breakdown mode with current compliance
A transistor (such as a MOSFET) is operated in its breakdown region, as opposed to its saturation region, to program an electric fuse. With the programming transistor operated in the breakdown...
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6774702 |
Fuse trimming failure test circuit for CMOS circuit
A fuse trimming failure test circuit for a CMOS circuit includes a first MOS transistor having a source terminal connected to a negative power supply voltage and a gate terminal being connected to...
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6765427 |
Method and apparatus for bootstrapping a programmable antifuse circuit
A steering circuit for a programmable circuit employing programming voltages that exceed normal operating voltages comprises a plurality of steering transistors. At least one steering transistor...
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6759895 |
Data latch circuit having anti-fuse elements
A data latch circuit includes anti-fuse elements for storing remedy information therein as to replacement of defective memory cells by redundant memory cells. For programming the anti-fuse elements...
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6720820 |
Block parallel efuse apparatus blown with serial data input
A block parallel efuse apparatus blown with serial data input. The block parallel apparatus includes a high voltage source, efuse circuits, a plurality of multiplex, registers, and an input-output...
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6680873 |
Semiconductor device having electric fuse element
The output terminal of a voltage generation circuit is connected to one end portion of a fuse circuit. A transistor is connected to the other end portion of the fuse circuit. In program mode, a...
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6621324 |
Redundant antifuse segments for improved programming efficiency
An antifuse structure for improved programming efficiency is disclosed wherein the antifuse structure including a first node providing a first voltage, a plurality of antifuse elements, and a...
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6618311 |
Zero power fuse sensing circuit for redundancy applications in memories
An invention is provided for a fuse state sensing circuit that senses the state of a fuse, which is coupled between a ground rail and a fuse state sensing node. The fuse state sensing node...
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6570433 |
Laser fuseblow protection method for silicon on insulator (SOI) transistors
A method and apparatus are provided for laser fuseblow protection in transistors, such as silicon-on-insulator (SOI) transistors. The transistors are connected to a fuse. A pair of diodes are...
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6566937 |
Fuse circuit
Upon receiving a level of a second node through a third switch in the first half of a first period, a holding circuit outputs it as a fuse signal indicating a blown-out state of a fuse. Since the...
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6518824 |
Antifuse programmable resistor
A user-programmable resistor module includes a resistive element connected in series with first and second antifuses between an input circuit node and an output circuit node. Third and fourth...
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6504411 |
Redundant latch circuit and associated methods
A redundant latch circuit resistant to SEUs includes a plurality of latches, a majority voting circuit having inputs connected to the latch outputs, and a feedback reset circuit connected to the...
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6483373 |
Input circuit having signature circuits in parallel in semiconductor device
An input circuit having one or more individual signature circuits connected in parallel between an input line and an voltage node in a semiconductor device and an individual signature circuit are...
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6433617 |
Configuration for reducing the number of measuring pads on a semiconductor chip
The invention relates to a configuration for reducing the number of pads on a semiconductor chip ( 1 ) with an integrated circuit. This configuration includes an analog/digital converter ( 3 ),...
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6420925 |
Programmable latch device with integrated programmable element
According to the present invention, a programable latch device for use in personalizing a semiconductor device is provided that overcomes the limitations of the prior art. The preferred embodiment...
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6384664 |
Differential voltage sense circuit to detect the state of a CMOS process compatible fuses at low power supply voltages
A differential voltage sense circuit has a fuse placed in one upper leg of a resistance bridge while the remaining upper leg (sense leg) employs a resistor constructed of doped poly or poly...
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6335652 |
Method and apparatus for the replacement of non-operational metal lines in DRAMS
A semiconductor integrated circuit device including a redundant metal line for replacing a non-operational metal line for connecting to a circuit block. The invention further includes a method for...
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6333666 |
Antifuse circuit being programmable by using no connection pin
An antifuse circuit provides a stabilized high voltage to an antifuse programming circuit through the use of an NC pin which is not used in the chip operation. For the purpose, the antifuse circuit...
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6236241 |
Redundant decoder having fuse-controlled transistor
A redundant decoder having fuse-controlled transistor comprises as follows: a bistable circuit which outputs a pair of complementary signals; a discharging device which is turned on at an...
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6211724 |
Duplex board system with a glitch cancellation circuit
A duplex board system comprises two functionally identical processing boards, one of the boards being in an active state and the other being in a stand-by state, each of the boards generating a...
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6201432 |
Integrated circuit devices using fuse elements to generate an output signal that is independent of cut fuse remnants
Integrated circuit devices include a comparator circuit and a fuse programmable input circuit. The fuse programmable input circuit generates first and second differential input signals at voltage...
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