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| Number | Title | Issue Date |
| 8154335 | Fail safe adaptive voltage/frequency system A system on chip (SoC) has a digital domain. An adaptive voltage/frequency scaling circuit includes a critical path replica circuit with respect to that digital domain. The critical path replica circuit generates a margin signal, and the adaptive voltage scaling cir... | 04/10/2012 |
| 8134405 | Semiconductor device and timing control method for the same A semiconductor device includes a power-supply control portion and a latch portion. The power-supply control portion supplies power to an internal circuit in response to an input signal synchronized with rising of clock. The latch portion latches the input signal in... | 03/13/2012 |
| 8134406 | Systems and methods for minimizing static leakage of an integrated circuit A leakage manager system for adequately minimizing static leakage of an integrated circuit is disclosed. The leakage manager system includes a generator configured to generate a control signal to be applied to a sleep transistor. A monitor is configured to determine... | 03/13/2012 |
| 8081026 | Method for supplying an output supply voltage to a power gated circuit and an integrated circuit An integrated circuit, that includes: (i) a power gating switch, the power gating switch includes (a) an input port for receiving an input supply voltage; (b) an output port for outputting an output supply voltage; and (c) a control port for receiving a control sign... | 12/20/2011 |
| 8049556 | Multiple circuit blocks with interblock control and power conservation A mobile telephone is provided that includes a plurality of circuit blocks and adapted to cut off the supply of power source voltage to any one of the circuit blocks. The mobile telephone also includes an interblock interface circuit provided on a signal path betwee... | 11/01/2011 |
| 8044709 | Semiconductor integrated circuit device The present invention is directed to perform fine low-voltage control without largely increasing the circuit layout area in a low-power consumption structure. In the case of shifting a region to a low-speed mode, a system controller outputs a request signal and an e... | 10/25/2011 |
| 8030990 | Measuring instrument in two-conductor technology In a two-conductor technology circuit the use of certain ASIC components is made possible which, for instance, allow for the supply of contact-free rotational angle sensors, although said ASIC components have a high current consumption. ... | 10/04/2011 |
| 8022753 | Semiconductor integrated circuit with intermittent power supply operation of circuit blocks A semiconductor integrated circuit that carries out intermittent operation, includes a processor block; an logical operation block other than a processor; a first switch part configured to supply a normal operation voltage to the logical operation block other than a... | 09/20/2011 |
| 8018271 | Semiconductor integrated circuit A semiconductor integrated circuit includes: a first flip-flop, a combined circuit and a second flip-flop that form a critical path; a first delay circuit and a third flip-flop that are provided in the post-stage of the combined circuit; a second delay circuit and a... | 09/13/2011 |
| 8013669 | Dynamic power noise event counter An apparatus and method for detecting noise in a power supply voltage. A circuit may include a voltage generation unit coupled to receive a power supply voltage, and a detection unit. The voltage generation unit may generate first and second voltages using the power... | 09/06/2011 |
| 8008967 | Power supply voltage adjusting device In a semiconductor integrated circuit including plural types of transistors having different threshold voltages, a plurality of oscillators including respective types of transistors are provided. The respective oscillation frequencies of these oscillators are counte... | 08/30/2011 |
| 8004352 | Low leakage power management A low leakage power management system is provided. An external voltage domain is selectively coupled to the internal voltage domain of an integrated circuit according to demand for the functions provided by the integrated circuit. An external voltage VDD ... | 08/23/2011 |
| 8004351 | Semiconductor integrated circuit device and power supply voltage control system A semiconductor integrated circuit device includes: a target circuit whose at least power supply voltage is variable; a power supply voltage providing circuit feeding the target circuit with a power supply voltage; and a minimum energy point monitor circuit detectin... | 08/23/2011 |
| 7999607 | Power switches having positive-channel high dielectric constant insulated gate field effect transistors Power switch units for microelectronic devices are disclosed. In one aspect, a microelectronic device may include a functional circuit, and a power switch unit to switch power to the functional circuit on and off. The power switch unit may include a large number of ... | 08/16/2011 |
| 7990208 | Voltage supply with low power and leakage current In a semiconductor integrated circuit device, a circuit block has a first MOS transistor, and a leakage current control circuit having a second MOS transistor and a current source, a source and drain circuit of the second MOS transistor is formed between the power s... | 08/02/2011 |
| 7982532 | Systems and methods for minimizing static leakage of an integrated circuit A leakage manager system for adequately minimizing static leakage of an integrated circuit is disclosed. The leakage manager system includes a generator configured to generate a control signal to be applied to a sleep transistor. A monitor is configured to determine... | 07/19/2011 |
| 7973594 | Power monitoring for optimizing operation of a circuit An example method for optimizing power consumption of digital circuits using dynamic voltage and threshold scaling (DVTS) is provided. A propagation delay of a signal through a portion of the circuit is determined and if the propagation delay does not meet a specifi... | 07/05/2011 |
| 7965133 | Compensation techniques for reducing power consumption in digital circuitry A compensation circuit for reducing power consumption in at least one digital circuit includes a first sample circuit connected to a first supply voltage, a second sample circuit connected to a second supply voltage, and a controller connected to the first and secon... | 06/21/2011 |
| 7956677 | Semiconductor integrated circuit and power-supply control method A semiconductor integrated circuit includes: a first voltage line on which a specific one of a power-supply voltage and a reference voltage appears; a second voltage line; a plurality of circuit cells each receiving power generated as a difference between a voltage ... | 06/07/2011 |
| 7956678 | Power off controlling circuit and power-off controlling method A power-off controlling circuit and a power-off controlling method that control power-off of an integrated circuit based on the size of leakage currents. The power-off controlling circuit includes a model circuit section that includes a model circuit made by modelin... | 06/07/2011 |
| 7944285 | Method and apparatus to detect manufacturing faults in power switches An integrated circuit is provided that comprises a power switch that includes a control terminal and that is coupled between a power source node and a power sink node; first data storage circuit includes a data storage input and a data storage output, wherein the da... | 05/17/2011 |
| 7920020 | System and method for auto-power gating synthesis for active leakage reduction A method includes parsing a design of the integrated circuit to define cells in automatic power gating power domains, automatically creating an automatic power gating power domain netlist from the parsed design of the integrated circuit, and placing and routing the ... | 04/05/2011 |
| 7911263 | Leakage current mitigation in a semiconductor device A dormant mode target semiconductor device within a leakage current target unit is identified for mitigating leakage current to prevent it from reaching catastrophic runaway. A leakage current shift monitor unit is electrically connected to the output node of the le... | 03/22/2011 |
| 7902915 | Method and circuit for charging and discharging a circuit node A voltage circuit and method charges a circuit node to a first predetermined voltage. The first predetermined voltage charged onto the circuit node is used for a first predetermined function during a first time period. A portion of charge from the circuit node is re... | 03/08/2011 |
| 7902914 | Semiconductor integrated circuit A semiconductor integrated circuit includes a core circuit, a power supply switch situated on a path providing a current to the core circuit and configured to control a state of current supply to the core circuit in response to a control signal applied to a control ... | 03/08/2011 |
| 7880535 | Semiconductor device, control method of semiconductor device, and control information generating method for semiconductor device A semiconductor device 2 has a plurality of elements. It also has an F-V table storing unit for low voltage threshold cells 31 for storing an F-V table TB11 of an oscillation frequency f1 relying on the plurality of elements and a power s... | 02/01/2011 |
| 7855593 | Semiconductor integrated circuit device A semiconductor integrated circuit device enhanced in design efficiency while achieving multi-functionalization and power saving is to be provided. The semiconductor integrated circuit device has first through third circuit blocks, and is placed in a first power sup... | 12/21/2010 |
| 7839207 | Integrated circuit and a method for recovering from a low-power period An integrated circuit, including: (i) a power gated circuit which power supply is shut down during a low-power period; (ii) a retention circuit, coupled to the power gated circuit during at least a portion of a non-low-power period, the retention circuit is adapted ... | 11/23/2010 |
| 7834684 | Sizing and placement of charge recycling (CR) transistors in multithreshold complementary metal-oxide-semiconductor (MTCMOS) circuits In one embodiment, a circuit includes a first row of circuit blocks that are each connected to a supply directly and to ground via a first sleep transistor. A connection between the first circuit block and the first sleep transistor is a virtual ground node. The cir... | 11/16/2010 |
| 7830203 | System-on-a-chip and power gating circuit thereof A system-on-a-chip and a power gating circuit thereof are provided. The power gating circuit includes a first transistor, a charge pump circuit, and a hold circuit. A gate terminal of the first transistor is controlled by a first input signal. A first source/drain t... | 11/09/2010 |
| 7830204 | Semiconductor integrated circuit device A semiconductor integrated circuit device for fast and low power operations, comprising a plurality of circuit blocks of a chip, each of which has a plurality of states with different power consumption values. A power management circuit determines the state of each ... | 11/09/2010 |
| 7821332 | Signal delaying system utilizing voltage providing circuit A signal delaying system is provided, including a delay locked loop circuit and a voltage providing circuit. The delay locked loop circuit delays an input signal to generate a delayed signal. The voltage providing circuit provides a control voltage to the delay lock... | 10/26/2010 |
| 7795955 | Semiconductor integrated circuit and power control method Each of computing units on a semiconductor integrated circuit includes a first signal output unit that outputs a first status signal indicating a state of a input/output control unit with regard to an access to a storage unit, a second signal output unit that output... | 09/14/2010 |
| 7791406 | Low leakage power management A low leakage power management system is provided. An external voltage domain is selectively coupled to the internal voltage domain of an integrated circuit according to demand for the functions provided by the integrated circuit. An external voltage VDD ... | 09/07/2010 |
| 7786793 | Semiconductor integrated circuit Disclosed herein is a semiconductor integrated circuit including a stoppable circuit unit configured to be alternately switched between a stopped state and an operating state; a first voltage line configured to apply a first voltage to the stoppable circuit unit whe... | 08/31/2010 |
| 7782125 | Semiconductor integrated circuit A semiconductor integrated circuit includes: a first flip-flop, a combined circuit and a second flip-flop that form a critical path; a first delay circuit and a third flip-flop that are provided in the post-stage of the combined circuit; a second delay circuit and a... | 08/24/2010 |
| 7782124 | Voltage supply circuit of semiconductor device The purpose of the present invention is to decrease a leak current of a voltage supply circuit using a MOS transistor. This voltage supply circuit comprises an n-channel MOS transistor having a low threshold voltage, the drain of which is connected to the power supp... | 08/24/2010 |
| 7760011 | System and method for auto-power gating synthesis for active leakage reduction A method includes parsing a design of the integrated circuit to define cells in automatic power gating power domains, automatically creating an automatic power gating power domain netlist from the parsed design of the integrated circuit, and placing and routing the ... | 07/20/2010 |
| 7750729 | Internal voltage generator An internal voltage generator is disclosed. The internal voltage generator may include a comparator for controlling a voltage of a first node in response to a voltage difference between a reference voltage and an internal voltage, an internal voltage driving portion... | 07/06/2010 |
| 7746165 | Voltage selecting circuit, voltage providing circuit utilizing the voltage selecting circuit, and signal delaying system utilizing the voltage providing circuit A voltage providing circuit includes: a first voltage providing circuit, for generating a first voltage; a switch device, for receiving a first voltage; a second voltage providing circuit, for providing a second voltage; a control circuit, for controlling the switch... | 06/29/2010 |
