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| Number | Title | Issue Date |
| 8183912 | Internal voltage supplying device An internal voltage supplying device. A reference voltage generator generates a first feedback voltage having a predetermined voltage ratio with respect to a core voltage. An adjusting mechanism adjusts the voltage ratio, and a voltage generator supplies a high volt... | 05/22/2012 |
| 8169253 | Power circuit including step-up circuit and stabilizing method thereof A power circuit includes a reference potential circuit, a step-up circuit, and a conversion circuit. The reference potential circuit generates a reference potential. The step-up circuit generates a desired internal potential by stepping up a power supply potential. ... | 05/01/2012 |
| 8164378 | Device and technique for transistor well biasing A method includes receiving a set of voltages comprising at least a first voltage, a second voltage, and a third voltage and biasing a well of a transistor based on the extreme voltage of the set of voltages. Biasing the well of the transistor can include concurrent... | 04/24/2012 |
| 8149046 | Biasing for transistor-based apparatuses and methods The present disclosure relates to constructing and operating a transistor or other active device with significantly reduced flicker noise. ... | 04/03/2012 |
| 8143936 | Application of control signal and forward body-bias signal to an active device The present disclosure relates to constructing and operating a transistor or other active device with significantly reduced flicker noise. ... | 03/27/2012 |
| 8138820 | Peak power reduction methods in distributed charge pump systems A distributed charge pump system uses a delay element and frequency dividers to generate out of phase pump clock signals that drive different charge pumps, to offset peak current clock edges for each charge pump and thereby reduce overall peak power. Clock signal di... | 03/20/2012 |
| 8130026 | Booster circuit and voltage supply circuit A booster circuit includes a pump circuit having a plurality of charge pump circuits for outputting a boosted voltage to a first output terminal. The booster circuit also includes a clock adjusting circuit that generates, from a first clock signal, a second clock si... | 03/06/2012 |
| 8120410 | Adaptive control of power supply for integrated circuits The present invention relates to a circuit arrangement and method for controlling power supply in an integrated circuit wherein at least one working parameter of at least one electrically isolated circuit region (10) is monitored, and the conductivity of a va... | 02/21/2012 |
| 8115535 | Leakage current suppressing circuit and semiconductor chip A leakage current suppressing circuit includes a bias generating unit and a switch unit. The bias generating unit is adapted to be coupled to a power source and an output terminal, and generates a bias voltage substantially equal to a voltage at the power source whe... | 02/14/2012 |
| 8098089 | Voltage booster A voltage booster for generating a boosted voltage, including a charge pump adapted to generate the boosted voltage starting from a supply voltage by a transfer of electric charge controlled by at least one oscillating signal having an oscillation frequency; an osci... | 01/17/2012 |
| 8098090 | Open-drain output buffer for single-voltage-supply CMOS An open-drain output buffer is operative to sustain relatively high voltages applied to an output pad. The open-drain buffer includes a number of floating wells, output switching devices and corresponding well-bias selectors to ensure that no gate oxide sustains vol... | 01/17/2012 |
| 8085084 | System for substrate potential regulation during power-up in integrated circuits An integrated circuit with body-bias inputs coordinated by a switch at initial power application. A switch coupled to the N-well bias and P-type substrate bias lines of an integrated circuit selectively couples the substrate to ground or the substrate bias supply, d... | 12/27/2011 |
| 8085085 | Substrate bias feedback scheme to reduce chip leakage power A substrate bias circuit may measure a leakage current of a baseline device, compare the leakage current with a reference current, and based on the comparison, adjust a reverse body bias voltage applied to a body of the baseline device. ... | 12/27/2011 |
| 8063692 | Semiconductor integrated circuit A semiconductor integrated circuit includes: an internal circuit; a detecting circuit which detects an element characteristic of the internal circuit; a calculating circuit which calculates a first consumption energy consumed when a power gating operation is perform... | 11/22/2011 |
| 8058922 | Switch with improved biasing Switches with improved biasing and having better isolation and reliability are described. In an exemplary design, a switch is implemented with a set of transistors, a set of resistors, and an additional resistor. The set of transistors is coupled in a stacked config... | 11/15/2011 |
| 8022747 | System for substrate potential regulation during power-up in integrated circuits An integrated circuit with body-bias inputs coordinated by a switch at initial power application. A switch coupled to the N-well bias and P-type substrate bias lines of an integrated circuit selectively couples the substrate to ground or the substrate bias supply, d... | 09/20/2011 |
| 8018268 | Over-voltage tolerant input circuit An over-voltage tolerant input circuit has a pad. An Nwell bias circuit is electrically coupled to the pad. A current block circuit is electrically coupled to the Nwell bias circuit. The current block circuit has a control signal coupled to a gate of a transistor in... | 09/13/2011 |
| 8013662 | Apparatus and method for generating internal voltage in semiconductor integrated circuit An internal voltage generating apparatus includes: a voltage detector that detects the level of the internal voltage and outputs a fixed level detection signal and a variable level detection signal. An oscillation controller generates an oscillation enable signal ac... | 09/06/2011 |
| 8004346 | Semiconductor integrated circuit apparatus and electronic apparatus Semiconductor integrated circuit apparatus and electronic apparatus having a leakage current detection circuit where arbitrarily set leakage current detection ratio does not depend on power supply voltage, temperature, or manufacturing variations, and where leakage ... | 08/23/2011 |
| 7999603 | Semiconductor integrated circuit apparatus which is capable of controlling a substrate voltage under the low source voltage driving of a miniaturized MOSFET Provided is a semiconductor integrated circuit apparatus capable of controlling the substrate voltage of a MOSFET so that the drain current for an arbitrary gate voltage value in a subthreshold region or a saturated region will be free from temperature dependence an... | 08/16/2011 |
| 7994842 | Semiconductor integrated circuit apparatus and electronic apparatus Semiconductor integrated circuit apparatus and electronic apparatus having a leakage current detection circuit where arbitrarily set leakage current detection ratio does not depend on power supply voltage, temperature, or manufacturing variations, and where leakage ... | 08/09/2011 |
| 7978001 | Microprocessor with selective substrate biasing for clock-gated functional blocks A microprocessor according to one embodiment includes a supply node providing a core voltage, a functional block, a charge node, select logic, and substrate bias logic. The functional block has multiple power modes and includes one or more semiconductor devices and ... | 07/12/2011 |
| RE42494 | Preventing drain to body forward bias in a MOS transistor A voltage level shifting circuit (FIG. 4) has a plurality of PMOS transistors M1, M2, M3 connected in parallel for respectively driving a capacitive load CL with a selected different voltage level V1, V | 06/28/2011 |
| 7952422 | Methods and apparatus for varying a supply voltage or reference voltage using independent control of diode voltage in asymmetrical double-gate devices Methods and apparatus are provided for varying one or more of a supply voltage and reference voltage in an integrated circuit, using independent control of a diode voltage in an asymmetrical double-gate device. An integrated circuit is provided that is controlled by... | 05/31/2011 |
| 7944274 | Semiconductor switch A challenge in outputting a voltage near the midpoint potential in a semiconductor switch which operates based on a low voltage power supply is to avoid a decrease in operation speed and a deterioration in accuracy of the output voltage which would be caused due to ... | 05/17/2011 |
| 7936206 | Transistor junction diode circuitry systems and methods Methods and apparatus for capacitive voltage division are provided, an example apparatus having an input and an output and including a first switched capacitor circuit. In some embodiments, the capacitive voltage divider includes first and second MOSFETs. A first ca... | 05/03/2011 |
| 7936205 | Leakage reduction in electronic circuits In one embodiment, an apparatus for reducing leakage in an electronic circuit (e.g., a CMOS circuit) includes a power switch transistor configured to selectively couple or decouple a voltage to a logic portion of the electronic circuit. The power switch transistor r... | 05/03/2011 |
| 7924085 | Negative analog switch design A transmission gate includes first and second MOS transistors of opposite conductivity type coupled in parallel with each other. Each transistor includes a body connection that is separately biased by corresponding first and second biasing circuits. The first biasin... | 04/12/2011 |
| 7911259 | Voltage switching circuit A voltage switching circuit selects a voltage from among a plurality of input voltages in response to a selection signal and outputs the selected voltage from an output terminal. The voltage switching circuit includes a first PMOS transistor that outputs a power sup... | 03/22/2011 |
| 7902905 | Booster circuit and voltage supply circuit A voltage supply circuit includes a booster circuit and a ripple filter circuit. The ripple filter circuit has a first resistor connected to a first output terminal at one end thereof. The ripple filter circuit also has a first switch circuit connected between the o... | 03/08/2011 |
| 7902904 | Bias circuit scheme for improved reliability in high voltage supply with low voltage device Disclosed is a bias circuit with a first resistor connected between the supply voltage and a feedback node. Resistors are connected in series between the feedback node and the reference supply voltage. The connections between the resistors define at least one bias v... | 03/08/2011 |
| 7876146 | Method and apparatus for powering down analog integrated circuits A method and an apparatus powers down an analog integrated circuit. A power down circuit is electrically coupled to the analog circuit and is adapted to power down the analog circuit in response to receiving a power down signal. A node protection circuit is electric... | 01/25/2011 |
| 7847616 | Inverter circuit and balanced input inverter circuit A balanced input inverter circuit includes a first P-type MOS transistor including a gate terminal connected to an input, a source terminal connected to a first power source potential, and a drain terminal connected to an output, a first N-type MOS transistor includ... | 12/07/2010 |
| 7843250 | Semiconductor device A substrate voltage control technique that prevents the operating speed from being decreased and suppresses a leakage current due to a lower threshold voltage with respect to a low voltage use. Since a center value of the threshold voltages is detected by plural rep... | 11/30/2010 |
| 7834679 | Semiconductor switch A challenge in outputting a voltage near the midpoint potential in a semiconductor switch which operates based on a low voltage power supply is to avoid a decrease in operation speed and a deterioration in accuracy of the output voltage which would be caused due to ... | 11/16/2010 |
| 7830199 | Dynamically-driven deep n-well circuit A circuit includes an NMOS transistor having a drain and a source, a p-well containing the drain and the source, an n-well under the p-well, and a first well switch configured to selectively connect the n-well to a predetermined voltage in response to an enable phas... | 11/09/2010 |
| 7816974 | Semiconductor integrated circuit device A control target circuit formed by transistors is provided with a power supply level control circuit for controlling the power supply voltage supplied to the control target circuit, a substrate level control circuit for controlling the substrate voltages of the tran... | 10/19/2010 |
| 7812662 | System and method for adjusting supply voltage levels to reduce sub-threshold leakage A voltage regulation module which includes an adjustable voltage which reduces the positive supply voltage and increases the negative supply voltage during a lower power mode. The voltage regulation module includes a voltage generator which provides an N-type substr... | 10/12/2010 |
| 7772917 | Semiconductor device The well voltage of a CMOS circuit having low-threshold-voltage MOSFETs is controlled when the power supply is turned on, during normal operation, and when the supply voltage is cut off. The CMOS circuit can thus operate stably with lower power consumption, because ... | 08/10/2010 |
| 7772916 | Internal voltage generator of semiconductor device and method for generating internal voltage An internal voltage generator of a semiconductor device consumes relatively small amount of driving current and generates a stable internal voltage with relatively small voltage level variation. The semiconductor device includes an oscillator configured to generate ... | 08/10/2010 |
