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| Number | Title | Issue Date |
| 7759981 | Amplifying circuit of semiconductor integrated circuit An amplifying circuit of a semiconductor integrated circuit includes a data amplifier that outputs an up-signal and a down-signal amplified according to a comparison result between an up-data signal and a down-data signal in response to a control signal. The data am... | 07/20/2010 |
| 7433253 | Integrated circuit, method of operating an integrated circuit, method of manufacturing an integrated circuit, memory module, stackable memory module An integrated circuit has a current sense amplifier that includes a voltage comparator having a first input, a second input and an output; a first clamping device coupled between the first input of the voltage comparator and a first input signal node, a second clamp... | 10/07/2008 |
| 7403045 | Comparator circuit with reduced switching noise A comparator circuit includes a differential amplifier circuit, a latch circuit, and a control signal generating circuit. The latch circuit includes a pair of cross-coupled inverting amplifiers that pull the output signals of the differential amplifier to the high a... | 07/22/2008 |
| 7397295 | Active current cancellation for high performance video clamps An apparatus comprising a first circuit, a second circuit and a third circuit. The first circuit may be configured to generate a video input signal having a voltage. The second circuit may have a finite input resistance configured to generate a current in response t... | 07/08/2008 |
| 7378881 | Variable gain amplifier circuit Embodiments of a variable gain amplifier circuit are described. In one embodiment, multiple resistor devices are coupled in series to form a string of resistor devices and to receive an input current. A multiple input operational amplifier device has an amplifier ou... | 05/27/2008 |
| 7368955 | Current-balanced logic circuit In accordance with some embodiments, a current-balanced logic circuit includes a first sense amplifier, a second sense amplifier, and a current-source transistor which provides bias current to the first and second sense amplifiers. The first and second sense amplifi... | 05/06/2008 |
| 7362141 | Logic device with low EMI A logic device with low electromagnetic interference. The logic device includes a digital logic gate, a voltage-limited circuit and a current-limited circuit. The digital logic gate provides a corresponding digital logic function. The voltage-limited circuit is conn... | 04/22/2008 |
| 7362530 | Amplifier apparatus for use with a sensor An amplifier apparatus for use with a sensor includes: (a) a first and a second amplifying circuit segment coupled with the sensor and cooperating to effect substantially balanced handling of signals received from the sensor; the first amplifying circuit segment inc... | 04/22/2008 |
| 7362637 | Current switching sensor detector A sensor for a switching circuit detects the logical state of the switching circuit by monitoring the current flow through the switching circuit. The current flow is conditioned by one or more current limiters and a voltage regulator, coupled in series with the swit... | 04/22/2008 |
| 7337372 | Method and apparatus for detecting multi-hit errors in a cache Multi-hit errors in a processor cache are detected by a multi-hit detection circuit coupled to the hit lines of the cache. The multi-hit detection circuit compares pairs of hit signals on the hit lines to determine if any two hit signals both indicate a hit. If mult... | 02/26/2008 |
| 7330053 | Prestage for an off-chip driver (OCD) A prestage for generating a control signal for an output driver of an integrated circuit, wherein the integrated circuit can be provided with a reference potential and a supply potential fixed in relation to the reference potential, comprises an input for receiving ... | 02/12/2008 |
| 7327595 | Dynamically read fuse cell A dynamically read fuse cell includes a first circuit which includes a known reference resistance Rref, and a second circuit which includes a programmed fuse having a resistance Rfuse; the state of the programmed fuse is to be read. The first a... | 02/05/2008 |
| 7312641 | Sense amplifiers with high voltage swing A sense amplifier includes a reference voltage generator for generating a reference output voltage and a core output voltage generator for generating a core output voltage. The core output voltage generator includes a core front-end stage and a core back-end stage o... | 12/25/2007 |
| 7301347 | Current sensing circuit A current sensing circuit for sensing the current through a main switch, such as the PMOS or NMOS switches of a switching regulator, is disclosed. The circuit includes a mirror switch, said mirror switch being substantially similar to said main switch but with a sma... | 11/27/2007 |
| 7292083 | Comparator circuit with Schmitt trigger hysteresis character A circuit and a method are provided to produce a novel comparator with Schmitt trigger hysteresis character. The circuit includes a current source which controls the magnitude of current flow through this comparator circuit. It has a first logic device which is turn... | 11/06/2007 |
| 7282901 | Temperature independent low reference voltage source A circuit of the invention comprises a low voltage PTAT source. Current generators (t1, t2) are controlled so that their output currents I1 and I2, respectively, have temperature properties of the quotient VPTAT/R. The current ... | 10/16/2007 |
| 7279934 | Apparatus for delivering inputted signal data An apparatus for receiving an inputted signal in order to transmit the inputted signal from an external circuit to an internal circuit includes a comparing block, enabled by an enable signal, for outputting a logic value to the internal circuit in response to a volt... | 10/09/2007 |
| 7280410 | System and method for mode register control of data bus operating mode and impedance A DRAM device includes a mode register that is programmed to select one of two modes for operating data bus terminals in the device. A timing circuit generates timing signals in synchronism with the clock signal that correspond to the selected mode. The timing signa... | 10/09/2007 |
| 7277264 | Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same A semiconductor IC has a current detection resistor and a comparison circuit for comparing the voltage drop across the current detection resistor with a threshold voltage to detect a possibly large magnitude of current passing through the current detection resistor.... | 10/02/2007 |
| 7262651 | Differential input buffer circuit with rail-to-rail input range An input buffer circuit achieving rail-to-rail operation maintains a uniform common mode output voltage even though an input signal having any voltage level is inputted. The input buffer circuit has a differential amplifier structure receiving two differential input... | 08/28/2007 |
| 7259614 | Voltage sensing circuit An auto voltage sense circuit uses voltage controlled current sources to generate a desired reference voltage level that closely tracks the variations and changes of a first voltage level and a second voltage level. The auto voltage sensing circuit includes a first ... | 08/21/2007 |
| 7251178 | Current sense amplifier A high-speed current sense amplifier has complementary reference cells and load devices that eliminate capacitive mismatch contributions. The current sense amplifier includes a voltage comparator, a first clamping device coupled between a first input of the voltage ... | 07/31/2007 |
| 7242629 | High speed latch circuits using gated diodes A sense amplifier circuit comprises (1) an isolation device comprising a control terminal and first and second terminals, the first terminal of the isolation device coupled to a signal line, (2) a gated diode comprising first and second terminals, the first terminal... | 07/10/2007 |
| 7236019 | Low current wide VREF range input buffer A low-current input buffer is disclosed. The buffer uses self-biased N and P channel differential pairs with their outputs tied together. The self-biasing assists in reducing current consumption. The combination of N and P-channel differential pairs results in symme... | 06/26/2007 |
| 7233171 | Apparatus and method for transconductance stage with high current response to large signals A transconductance stage is provided. The transconductance stage includes a tail current source, a differential pair, and two current mirrors. The input to each of the current mirrors is connected to the drain of a separate one of the transistors in the differential... | 06/19/2007 |
| 7233539 | Non-volatile fuse circuit A non-volatile memory cell 100 includes a static latch 125 having a first terminal and a second terminal, a first transistor 124 having a first current electrode coupled to said first terminal of said static latch 125 and a fusible elemen... | 06/19/2007 |
| 7224010 | Voltage-controlled amplifier for a signal processing system A voltage-controlled amplifier for a signal processing system includes an input voltage reception end, a first voltage-to-current converter, a reference current generator, a gain adjustment circuit, a first current mirror, and an output circuit. The voltage-controll... | 05/29/2007 |
| 7221210 | Fuse sense circuit A fuse sense circuit has a sense amplifier and a post amplifier (gain stage). The sense amplifier has a reference branch and one or more sense (or fuse) branches. The fuse sense circuit determines the state of the fuses using safe currents and provides much higher g... | 05/22/2007 |
| 7215579 | System and method for mode register control of data bus operating mode and impedance A DRAM device includes a mode register that is programmed to select one of two modes for operating data bus terminals in the device. A timing circuit generates timing signals in synchronism with the clock signal that correspond to the selected mode. The timing signa... | 05/08/2007 |
| 7215370 | Pseudo-BJT based retinal focal-plane sensing system A Pseudo Bipolar Junction Transistor(Pseudo-BJT) based retinal focal-plane sensing system is an instant image sensing and front-end processing system with the advantages of high dynamic range and instant image processing. In addition, the system proposes a Pseudo-BJ... | 05/08/2007 |
| 7215175 | Fuse sensing scheme with auto current reduction An improved circuit for sensing and programming fuses in integrated circuits. The circuit is broadly comprised of a fuse cell, a reference circuit, a sense amplifier and a level detector. In one embodiment of the present invention, a two-stage sensing scheme is impl... | 05/08/2007 |
| 7208930 | Bandgap voltage regulator A bandgap voltage regulator is arranged such that, when a desired output voltage is present between its output and common terminals, current densities in a pair of bipolar transistors having unequal emitter areas are maintained in a fixed ratio. The difference in th... | 04/24/2007 |
| 7208994 | Fuse sense circuit A fuse sense circuit has a sense amplifier and a post amplifier (gain stage). The sense amplifier has a reference branch and one or more sense (or fuse) branches. The fuse sense circuit determines the state of the fuses using safe currents and provides much higher g... | 04/24/2007 |
| 7209378 | Columnar 1T-N memory cell structure A memory array architecture incorporates certain advantages from both cross-point and 1T-1Cell architectures during reading operations. The fast read-time and higher signal to noise ratio of the 1T-1Cell architecture and the higher packing density of the cross-point... | 04/24/2007 |
| 7205771 | Current-measuring circuit arrangement The circuit arrangement for measuring current flowing through a high-resistance consumer (R1) contains a current mirror circuit (1), in the first branch (T1) of which the high-resistance consumer is connected in series and in the second branch o... | 04/17/2007 |
| 7202699 | Voltage tolerant input buffer A method and an apparatus are described for a voltage tolerant input buffer. An embodiment of an input buffer includes a differential circuit and a plurality of switches coupled with the differential circuit. The plurality of switches applies a voltage to the differ... | 04/10/2007 |
| 7203096 | Method and apparatus for sensing a state of a memory cell A cell arrangement comprising a memory cell arranged in parallel to a first capacitor is charged to a first voltage potential. A second capacitor is charged to a second voltage potential, which is higher than the first voltage potential. The second capacitor is conn... | 04/10/2007 |
| 7199663 | Use of analog-valued floating-gate transistors for parallel and serial signal processing Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu... | 04/03/2007 |
| 7199657 | Amplification gain stages having replica stages for DC bias control An amplification apparatus is provided that includes a plurality of gain stages including a first gain stage having first and second transistors and a second gain stage having third and fourth transistors. A plurality of replica stages may also be provided that incl... | 04/03/2007 |
| 7196927 | Wide dynamic range and high speed voltage mode sensing for a multilevel digital non-volatile memory A high speed voltage mode sensing is provided for a digital multibit non-volatile memory integrated system. An embodiment has a local source follower stage followed by a high speed common source stage. Another embodiment has a local source follower stage followed by... | 03/27/2007 |
