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| Number | Title | Issue Date |
| 8130027 | Apparatus and method for the detection and compensation of integrated circuit performance variation An apparatus and method for the dynamic detection and compensation of performance variations within an integrated circuit (IC) is provided to detect performance variations within the IC at any stage of test or operation. An arbitrary reference signal is utilized in ... | 03/06/2012 |
| 8067976 | Semiconductor integrated circuit A semiconductor integrated circuit (1) comprises a substrate voltage control circuit (10A), a drain current adjuster (E1), a MOS device characteristic detection circuit (20), and a drain current compensator (E2). The substrate volt... | 11/29/2011 |
| 8049550 | Method for power reduction and a device having power reduction capabilities A device that includes: (i) an evaluated circuit; (ii) a leakage current dependent oscillator configured to generate an oscillating signal that has an oscillating frequency that represents a leakage current of the evaluated circuit; (iii) a switching current depende... | 11/01/2011 |
| 8044704 | Current controller and method therefor In one embodiment, a current controller is configured to control a value of the current without regulating a voltage formed by the controller. ... | 10/25/2011 |
| 8004347 | Internal supply voltage generator capable of reducing latch-up and semiconductor device having the same Provided are an internal supply voltage generator capable of reducing latch-up and a semiconductor device having the same. The internal supply voltage generator generates at least one internal supply voltage, and includes a first booster circuit that generates a fir... | 08/23/2011 |
| 7961034 | Microprocessor performance improvement by dynamic NBTI compensation through transistor forward biasing A method for compensating negative bias temperature instability (NBTI) effects on a given model of transistors includes monitoring the NBTI effects on the transistors over time, determining a change in a threshold voltage of the transistors over time based on the mo... | 06/14/2011 |
| 7952423 | Process/design methodology to enable high performance logic and analog circuits using a single process A method for improving analog circuits performance using a circuit design using forward bias and a modified mixed-signal process is presented. A circuit consisting plurality of NMOS and PMOS transistors is defined. The body terminal of the NMOS transistors are coupl... | 05/31/2011 |
| 7944275 | VPP pumping circuit and VPP pumping method using the same Disclosed are a high voltage pumping circuit and a VPP pumping method using the same. The high voltage pumping circuit includes an initializing unit for initializing a high voltage in response to a first enable signal, a first pump for pumping the high voltage in re... | 05/17/2011 |
| 7940117 | Voltage generation circuit and flash memory device including the same A voltage generation circuit includes a high voltage detector (HVD), a clock signal control unit (CSCU), an oscillator, a pumping clock control unit (PCCU), and a charge pump. The HVD compares a high voltage applied to a memory cell array with at least one reference... | 05/10/2011 |
| 7911261 | Substrate bias circuit and method for integrated circuit device A substrate biasing circuit may include a first pump control circuit that generates a first control signal in response to a first reference voltage and a voltage of a first substrate portion, and includes a first reference generator coupled between a temperature com... | 03/22/2011 |
| 7911260 | Current control circuits Circuit, system and method of current control circuits are disclosed. In one embodiment, a control circuit includes a first MOS transistor and a second MOS transistor. The first source/drains of the first and the second MOS transistors are coupled to an output of a ... | 03/22/2011 |
| 7902906 | Driving circuit of driving light-emitting device A light-emitting device driving circuit capable of reliably performing emission control on a light-emitting device of a low emission threshold (about 10 mA or less) and capable of correcting a distortion due to the Early effect of a transistor in the drive current s... | 03/08/2011 |
| 7898317 | Circuit for generating negative voltage and a semiconductor memory apparatus using the same A circuit for generating negative voltage includes a variable period oscillator configured to generate an oscillator signal enabled in response to a detection signal and to determine a period of the oscillator signal in response to a control signal, a pump configure... | 03/01/2011 |
| 7898318 | Data output clock signal generating apparatus and semiconductor integrated circuit with the same A data clock control apparatus includes a bias voltage generator configured to receive a plurality of test mode signals and a plurality of fuse signals and to generate a bias voltage to secure a predetermined potential difference from an external driving power suppl... | 03/01/2011 |
| 7821324 | Reference current generating circuit using on-chip constant resistor Provided is a reference current generating circuit capable of maintaining a constant output level regardless of a temperature variation by the use of a reference resistor having a constant resistance regardless of the temperature variation. The reference current gen... | 10/26/2010 |
| 7782120 | Internal voltage generating circuit Disclosed is an internal voltage generating circuit that pumps charge to generate an internal driving voltage. The internal voltage generating circuit includes: a first oscillation signal generating unit that provides a first oscillation signal in response to a dete... | 08/24/2010 |
| 7714635 | Digital adaptive voltage supply Measurement circuit components are included in an integrated circuit fabricated on a semiconductor substrate. These measurement circuits include registers that are connected to a voltage regulation circuit that provides the integrated circuit voltage source and to a... | 05/11/2010 |
| 7710192 | Low-voltage IC-circuit An integrated circuit is partitioned into two or more sub-circuits, each sub-circuit including two supply terminals across which to receive supply voltage. The sub-circuits are connected in series with the first sub-circuit receiving input voltage at its first suppl... | 05/04/2010 |
| 7626444 | Autonomous control of multiple supply voltage generators for display drivers Circuits and methods to operate an arrangement of one or more charge pumps with two or more power supplies where each supply is able to vary over a range of voltages, and where any one supply can be of a higher or lower voltage than any of the others have been achie... | 12/01/2009 |
| 7573318 | Internal voltage generating circuit An internal voltage generating circuit includes a first detector that compares an internal voltage and a first reference voltage to output a first detection signal. A second detector compares a supply voltage and a second reference voltage to output a second detecti... | 08/11/2009 |
| 7567116 | Voltage converting circuit and battery device A voltage converting circuit and a battery device, aimed at the problem that the breakdown voltage required for the driving input of the selected switch element is increased as the potential of the selected power storage device is increased when a power storage devi... | 07/28/2009 |
| 7567117 | Data output clock signal generating apparatus and semiconductor integrated circuit with the same A data clock control apparatus includes a bias voltage generator configured to receive a plurality of test mode signals and a plurality of fuse signals and to generate a bias voltage to secure a predetermined potential difference from an external driving power suppl... | 07/28/2009 |
| 7554384 | Methods and arrangements for generating a control signal for a power converter A “digital data stream,” “binary sequence” or word can be generated by a logic circuit such as a processor and the sequence can be converted to a series of pulses such that the content of the sequence can be utilized to accurately control/drive a plurality o... | 06/30/2009 |
| 7479820 | Semiconductor device including detector circuit capable of performing high-speed operation A detector circuit and a negative voltage generating circuit capable of performing high-speed operation are provided. A negative voltage generating circuit includes a charge pump circuit, a first voltage divider circuit that makes a voltage division between an outpu... | 01/20/2009 |
| 7453312 | Voltage regulator outputting positive and negative voltages with the same offsets A voltage regulator has a first charge circuit, a second charge circuit, and a control circuit. The control circuit has five input terminals and two output terminals. The five input terminals are respectively coupled to a reference voltage, a first voltage source, a... | 11/18/2008 |
| 7443230 | Charge pump circuit A charge pump circuit including a plurality of controlled charge pumps (CPs), a plurality of uncontrolled CPs, a plurality of control units, and an output unit is provided. Each controlled CP determines whether to provide charges to a node by a control signal, and e... | 10/28/2008 |
| 7427889 | Voltage regulator outputting positive and negative voltages with the same offsets A voltage regulator has a first charge circuit, a second charge circuit, and a control circuit. The control circuit has five input terminals and two output terminals. The five input terminals are respectively coupled to a reference voltage, a first voltage source, a... | 09/23/2008 |
| 7420359 | Bandgap curvature correction and post-package trim implemented therewith A bandgap voltage reference circuit having temperature curvature correction, comprises a bandgap voltage source configured to generate an output voltage, and a novel curvature correction circuit. The correction circuit is responsive to the bandgap voltage source out... | 09/02/2008 |
| 7397298 | Semiconductor device having internal power supply voltage generation circuit The composing circuit outputs a lower voltage out of voltages output from the constant voltage generation circuit and the dummy pump circuit as a voltage to the sensing circuit. The sensing circuit compares voltages to generate a pump activation signal for activatin... | 07/08/2008 |
| 7385436 | Fully depleted silicon on insulator semiconductor devices A CMOS circuit in low-voltage implementation, low power-consumption implementation, high-speed implementation, or small-size implementation. In a circuit which uses a FD-SOI MOST where a back gate is controlled by a well, voltage amplitude at the well is made larger... | 06/10/2008 |
| 7372317 | PTATbias cell for improved temperature performance A bias circuit is disclosed for use in a temperature compensation system. The bias circuit provides a current that is proportional to a temperature variation raised to an nth power where |n|>1 in accordance with an embodiment. In further embodiments, the bias circui... | 05/13/2008 |
| 7368975 | Methods and apparatus for reduced hardware multiple variable voltage generator A circuit is described that generates multiple voltages each having a common reference point. The circuit uses a feedback control loop to generate a center voltage, a first voltage generator, and a second voltage generator. The first voltage generator generates a fi... | 05/06/2008 |
| 7366048 | Bulk bias voltage level detector in semiconductor memory device There is provided a bulk bias voltage VBB level detector in a semiconductor memory device capable of improving tWR fail generated at a low temperature by compensating a temperature variance. The VBB level detector includes A bulk bias voltage level detector in a sem... | 04/29/2008 |
| 7362158 | Level shifter and a display device having the same A level shifter and a display device having the same are provided. In a level shifter, a first transistor includes a gate electrode receiving a first driving voltage, and a source electrode receiving an input signal through an input terminal. A second transistor inc... | 04/22/2008 |
| 7362163 | Flyback capacitor level shifter feedback regulation for negative pumps Systems and methods of flyback capacitor level shifter feedback regulation for negative pumps. In accordance with a first embodiment of the present invention, a feedback regulator for a negative output charge pump comprises a flyback capacitor for inverting an outpu... | 04/22/2008 |
| 7362165 | Servo loop for well bias voltage source A servo loop for a charge pump including comparator. A variable resistor and comparator are in series and couple the output of the charge pump to an enable input. A current source/sink coupled to the variable resistor provide a first input voltage to the comparator,... | 04/22/2008 |
| 7358794 | Power supply circuit A power supply circuit includes a charge pump converting voltage and a regulator controlling the converting operation of the charge pump. The charge pump stops the converting operation after a first delay time from when an output of the charge pump goes over a refer... | 04/15/2008 |
| 7352643 | Regulating voltages for refresh operation using flash trim bits in semiconductor memory devices A method and apparatus for regulating voltages in semiconductor devices. Trim bits are stored in a trim flash array, where the trim bits define a voltage value and where the voltage value is accessible once a control signal representing a word line signal is provide... | 04/01/2008 |
| 7348828 | Voltage supplier of semiconductor memory device The present invention provides voltage supplier for supplying an internal voltage with optimized drivability required for internal operation. The voltage supplier of a semiconductor memory device includes: an internal voltage detection means for detecting a voltage ... | 03/25/2008 |
| 7349681 | Self-biased high-speed receiver A self-biased high-speed receiver is described. The receiver is powered by one power supply with the core operation voltage and one power supply with the IO operation voltage. The receiver is self-biased to provide a stable bias voltage. A reference voltage and an I... | 03/25/2008 |
