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| Number | Title | Issue Date |
| 7863971 | Configurable power controller A configurable power controller and method for controlling power of a macro circuit block, such as a memory circuit, in multiple power modes is described to help minimize power consumption of the macro circuit block when the application environment for the macro cir... | 01/04/2011 |
| 7370214 | Automatically switching power supply sources for a clock circuit In one embodiment, a power supply switching circuit may automatically provide power to a clock circuit from one of an auxiliary power supply and a main power supply, based on a voltage of the main power supply. To provide automatic switching, a switch circuit couple... | 05/06/2008 |
| 7368980 | Producing reference voltages using transistors An exemplary circuit embodiment includes a depletion-mode transistor and an enhancement-mode transistor. The circuit also includes a circuit portion coupled to a gate region of the depletion-mode transistor and to a gate region of the enhancement-mode transistor. In... | 05/06/2008 |
| 7355455 | Low power consumption MIS semiconductor device A logic gate is constructed of an insulated gate field effect transistor (MIS transistor) having a thin gate insulation film. An operation power supply line to the logic gate is provided with an MIS transistor having a thick gate insulation film for switching the su... | 04/08/2008 |
| 7339772 | Hot-swap protection circuit Embodiments of the present invention provide methods and circuitry for protecting a circuit during hot-swap events. Hot swap protection circuitry includes as overcurrent detection circuit which decouples power from a load. Circuitry is provided to detect ground-faul... | 03/04/2008 |
| 7332956 | Method to avoid device stressing A system for protecting a weak device operating in micro-electronic circuit that includes a high voltage power supply from high voltage over stressing prevents the weak device from failing during power-up, power-down, and when a low voltage power supply in a multipl... | 02/19/2008 |
| 7327630 | Memory cell power switching circuit in semiconductor memory device and method for applying memory cell power voltage A power (voltage) switching circuit in a semiconductor memory device, capable of reducing leakage current in a standby mode of operation and shortening the wake-up time when a standby mode is switched to an operation mode. The power (voltage) switching circuit compr... | 02/05/2008 |
| 7324316 | Hot-swap circuit system for fan tray module A hot-swap circuit system for fan tray module includes a soft-start circuit module in charge of the power start of the fan tray module hot-plugged into an application system. The soft-start circuit module includes a capacitor and a field effect transistor. The capac... | 01/29/2008 |
| 7321252 | Semiconductor integrated circuit In order to provide a semiconductor IC unit such as a microprocessor, etc., which satisfies both fast operation and lower power consumption properties with its high quality kept, the semiconductor IC unit of the present invention is composed so as to include a main ... | 01/22/2008 |
| 7302598 | Apparatus to reduce the internal frequency of an integrated circuit by detecting a drop in the voltage and frequency A semiconductor integrated circuit is disclosed that operates in synch with a clock signal supplied from an external source, and by a voltage supplied by a power supply. The circuit includes a detection means for detecting that at least one of a frequency of the clo... | 11/27/2007 |
| 7295050 | Power-up reset circuit with reduced power consumption A power-up reset circuit with reduced power consumption. The resistance of the power-up reset circuit may be adjusted during a power-up operation. The standby current may thereby be reduced, which may reduce the power consumption in the power-up reset circuit. ... | 11/13/2007 |
| 7286005 | Supply voltage switching circuit A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to ... | 10/23/2007 |
| 7282988 | Bandgap reference circuit A bandgap reference circuit is proposed. To remove parasitic effects, this includes the combination of a first circuit section (1), which generates a temperature-proportional voltage, and a second circuit section (2), which generates an inversely tempe... | 10/16/2007 |
| 7276957 | Floating well circuit having enhanced latch-up performance A circuit for defining a voltage potential of a floating well in which is formed at least one metal-oxide-semiconductor device includes a sense circuit operative to detect a voltage at a node to which the floating well is connected and to generate a control signal i... | 10/02/2007 |
| 7274223 | Semiconductor device As devices are often different in the characteristics from one another, semiconductor chips based on the devices have discrepancies in the performance. A semiconductor device having a semiconductor switching element and a drive controlling means (1) for gener... | 09/25/2007 |
| 7272068 | Semiconductor device A logic circuit in a system LSI is provided with a power switch so as to cut off the switch at the time of standby, reducing leakage current. At the same time, an SRAM circuit of the system LSI controls a substrate bias to reduce leakage current. ... | 09/18/2007 |
| 7265958 | Overcurrent protection circuit and semiconductor apparatus The overcurrent protection circuit has a first output voltage detection circuit which compares an output voltage with a first reference value in a first timing after the output circuit starts outputting the output voltage, a second output voltage detection circuit w... | 09/04/2007 |
| 7266707 | Dynamic leakage control circuit A low power consumption pipeline circuit architecture has power partitioned pipeline stages. The first pipeline stage is non-power-gated for fast response in processing input data after receipt of a valid data signal. A power-gated second pipeline stage has two powe... | 09/04/2007 |
| 7265955 | Protective circuit for analog sensors The protective circuit for analog sensors has transistors respectively located in a power supply voltage line and in a ground line. The control electrode of said circuit is located between the supply voltage and the ground via a voltage divider. The sensor output li... | 09/04/2007 |
| 7263117 | Dual control analog delay element and related delay method A delay line including analog delay elements each having a selectively adjusted coarse and fine delay portion is described. The coarse delay portion receives an input clock signal and generates a ramp signal having a slope based on a predetermined coarse delay setti... | 08/28/2007 |
| 7262631 | Method and apparatus for controlling a voltage level A voltage level control device operable to control a voltage level supplied from a first voltage level source to circuitry, said circuitry being arranged between said first voltage level source and a second voltage level source, said first and second voltage level s... | 08/28/2007 |
| 7256644 | Semiconductor circuit device having hierarchical power supply structure Resistance elements are inserted into a main power supply line and a main ground line so that offset differential amplifiers receive voltages developed across the same. The differential amplifiers control transistors connected to a sub power supply line and a sub gr... | 08/14/2007 |
| 7245521 | Semiconductor integrated circuit device The present invention provides a semiconductor integrated circuit device having an SRAM in which leak current is reduced. In an SRAM comprising a plurality of memory cells each constructed by a storage in which input and output terminals of two inverter circuits are... | 07/17/2007 |
| 7242214 | Semiconductor integrated circuits with power reduction mechanism Power dissipation of a semiconductor integrated circuit chip is reduced when it is operated at an operating voltage of 2.5 V or below. A switching element is provided in each circuit block within the chip. Constants of the switching element are set so that leakage c... | 07/10/2007 |
| 7232699 | Method of making a high precision microelectromechanical capacitor with programmable voltage source A Method of Making a High Precision Microelectromechanical Capacitor with Programmable Voltage Source includes steps for forming a monolithic MEMS device having a capacitance actuator, a trim capacitor, and a high precision, programmable voltage source. The trim cap... | 06/19/2007 |
| 7233193 | High voltage switching circuit of a NAND type flash memory device A high voltage switching circuit of a NAND type flash memory device that includes a clock level shifter for increasing an amplitude of a clock signal, a pass voltage generator for outputting a pass voltage by pumping a power source voltage in response to a clock sig... | 06/19/2007 |
| 7229473 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 06/12/2007 |
| 7227404 | Method for preventing regulated supply undershoot in state retained latches of a leakage controlled system using a low drop out regulator A system and method are implemented for preventing regulated supply undershoot in state retained latches of a leakage controlled system, using a voltage source depending on a reference voltage that includes a decay to resolve undesirable undershoot. ... | 06/05/2007 |
| 7223286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/29/2007 |
| 7217286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/15/2007 |
| 7218145 | Level conversion circuit An input circuit (a first transistor pair) that receives complementary input signals is connected to a latch circuit (a second transistor pair) that converts the amplitude of an input signal into second amplitude higher than first amplitude. A current mirror circuit... | 05/15/2007 |
| 7215174 | Method and apparatus for implementing a radiation hardened N-channel transistor with the use of non-radiation hardened transistors A non-radiation hardened N-channel transistor used in a power switching circuit functioning in a high-ionizing, radiation-dose environment. The circuit including at least one non-radiation hardened N-channel MOSFET switching transistors, the transistor having a gate... | 05/08/2007 |
| 7212046 | Power-up signal generating apparatus In a power-up signal generating device, a power-up signal is activated at a certain level of the power supply voltage VDD by adjusting the turn-on resistance value of the MOS transistor so that the chip reliability can be improved. The power-up signal generating dev... | 05/01/2007 |
| 7205822 | Control circuit for an inductive load driver A control circuit for an inductive load driver includes a control block activated by a trigger signal and an output coupled to the control terminal of a power element. The control circuit includes an auxiliary current generator capable of delivering a current that i... | 04/17/2007 |
| 7205808 | Power supply switching circuit and method A power supply switching circuit includes an input terminal (2) for receiving a signal from a motherboard, an output terminal (4) to output a control signal, a first Bipolar Junction Transistor (BJT) (5), and a second BJT (7). A base of t... | 04/17/2007 |
| 7203118 | Semiconductor storage device and mobile electronic device When an input voltage determining circuit 24 determines that an input voltage exceeds a prescribed voltage, a control circuit 25 of a positive polarity power selector circuit 22 turns on a first switch SW1 and turns off second and third s... | 04/10/2007 |
| 7183838 | Semiconductor device having internal power supply voltage dropping circuit A semiconductor device includes a reference voltage generation circuit, an amplifier circuit, and a voltage dropping circuit. The reference voltage generation circuit includes a negative feedback circuit to generate a reference voltage controlled by an output signal... | 02/27/2007 |
| 7183815 | Drive apparatus for CCD image sensor A drive apparatus that guarantees the stable operation of a CCD image sensor. The drive apparatus includes a drive circuit for supplying a pulse signal to the CCD image sensor. A power supply circuit is connected to the drive circuit to supply the drive circuit with... | 02/27/2007 |
| 7177222 | Reducing power consumption in a data storage system An apparatus and associated method for reducing power consumption in an electronic circuit comprising a refresh load device being employed alternatively between an operational mode and a state refresh mode. A supply voltage level to the refresh load device is adjust... | 02/13/2007 |
| 7173480 | Device for controlling the operation of internal voltage generator The present invention discloses a circuit for controlling a timing of overdriving a core voltage (internal voltage) which is a driving voltage of a sense amplifier of a memory device and a duration of the overdriven core voltage, and a method for easily measuring th... | 02/06/2007 |
