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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8179194 | System and method for a reference generator In one embodiment, a circuit for generating a reference voltage between a first output and a second output, has a first follower transistor that includes a first control node, a first follower node coupled to a first output, and a first supply node, and a second fol... | 05/15/2012 |
| 8174309 | Reference voltage circuit Provided is a reference voltage circuit in which a temperature characteristic of a reference voltage is excellent and a circuit scale is small. In the reference voltage circuit, for example, a temperature correction circuit separated from the reference voltage circu... | 05/08/2012 |
| 8169258 | Semiconductor integrated circuit A semiconductor integrated circuit includes a reference voltage generating block, a circuit block, and a transmission line. The reference voltage generating block generates a first reference voltage and generates and outputs a digital code corresponding to the level... | 05/01/2012 |
| 8134404 | Semiconductor device that degrades leak current of a transistor A semiconductor device, has a main transistor that is a first-conductivity-type MOS transistor and has the drain connected to a first potential; a first switch circuit that is connected between the source of said main transistor and a second potential; a dummy trans... | 03/13/2012 |
| 8125266 | Power supply circuit for charge pump circuit A boosting circuit includes a charge pump circuit; and a power supply circuit configured to supply a power supply voltage to the charge pump circuit. The power supply circuit includes an N-channel transistor connected with a power supply terminal of the charge pump ... | 02/28/2012 |
| 8063694 | Bus loop power interface and method A bus loop power interface (100) is provided according to the invention. The bus loop power interface (100) comprises a voltage control module (110) receiving a loop voltage VLOOP and generating a predetermined supply voltage VSU... | 11/22/2011 |
| 8063695 | Semiconductor integrated circuit device A semiconductor integrated circuit device which substantially reduces drop in a supply voltage generated by a regulator and ensures stable supply of a supply voltage with high efficiency and high accuracy. In the device, a memory power supply includes a plurality of... | 11/22/2011 |
| 8030989 | Internal voltage generation circuit An internal voltage generation circuit includes an initial driver configured to sense an internal voltage for a predetermined period of time from the beginning of an active mode and to drive a driving signal, which is used for driving the internal voltage to a level... | 10/04/2011 |
| 7965132 | Transistor output circuit and method A transistor circuit is provided. The transistor circuit includes a first output transistor, a second output transistor, and a switch arrangement. The first and second output transistors are arranged for providing an output signal to a common output of the transisto... | 06/21/2011 |
| 7936207 | Internal voltage generator An internal voltage generating circuit includes an internal voltage generating unit configured to generate an internal voltage that corresponds to a target voltage level by driving an internal voltage terminal with an external power supply voltage, and current sinki... | 05/03/2011 |
| 7928798 | Internal voltage generation device An internal voltage generation device is disclosed which includes an internal voltage generator operated in response to an enable signal, the internal voltage generator generating an internal voltage using a reference voltage, and a sub-voltage generator for driving... | 04/19/2011 |
| 7911262 | External compensation for input current source An integrated circuit includes: a pre-driver stage, coupled to an external supply voltage, for controlling the final driver stage; a final driver stage, coupled to the pre-driver stage and the external supply voltage, for providing an output voltage; a compensation ... | 03/22/2011 |
| 7907003 | Method for improving power-supply rejection An electronic circuit may comprise an input stage powered by a supply voltage and configured to receive a reference signal. The circuit may further comprise an output stage powered by the supply voltage and coupled to the input stage, and configured to generate an e... | 03/15/2011 |
| 7902913 | Reference voltage generation circuit According to an aspect of the present invention, there is provided a reference voltage generation circuit including: a first transistor having a first gate, a first source and a first drain; a second transistor having a second gate connected to the first gate, a sec... | 03/08/2011 |
| 7893755 | Internal voltage generation circuit An internal voltage generation circuit includes a signal generation unit which generates first and second level signals and first and second control signals from a reference voltage generated by voltage-dividing an internal power and generates first and second drivi... | 02/22/2011 |
| 7888992 | Circuit and method for controlling internal voltage A circuit for controlling an internal voltage is provided. The circuit for controlling an internal voltage, comprising: a level detector configured to detect a voltage level of a core voltage to generate a core voltage level detection signal; a release contro... | 02/15/2011 |
| 7872519 | Voltage divider circuit Provided is a voltage divider circuit for dividing an input voltage in accordance with a predetermined ratio with high accuracy, in which a source current does not flow from a voltage source and a sink current does not flow into the voltage source. The voltage divid... | 01/18/2011 |
| 7872520 | Semiconductor integrated circuit device A semiconductor integrated circuit device which substantially reduces drop in a supply voltage generated by a regulator and ensures stable supply of a supply voltage with high efficiency and high accuracy. In the device, a memory power supply includes a plurality of... | 01/18/2011 |
| 7863967 | Multistage regulator for charge-pump boosted voltage applications A multistage circuit for regulating the charge voltage or the discharge current of a capacitance of an integrated device at a certain charge-pump generated boosted voltage is implemented without integrating high voltage transistor structures having a type of conduct... | 01/04/2011 |
| 7863968 | Variable-output current-load-independent negative-voltage regulator Methods and circuits for implementing negative voltage regulators are provided. The negative voltage regulator circuit includes an operational amplifier (op-amp), a PMOS transistor, and two resistors. The op-amp is powered by positive and negative voltages, and the ... | 01/04/2011 |
| 7863969 | Power supply voltage dropping circuit using an N-channel transistor output stage A device includes an N-channel transistor for output, a voltage raising circuit, a voltage dropping circuit, and an amplifier. A power supply voltage that is a first voltage is supplied to one end of the output N-channel transistor, and the other end of the output N... | 01/04/2011 |
| 7847623 | Device and method for power switch monitoring A device monitors at least one power switch which is series-mounted with a logic core between a first and a second potential. A connection point between the switch and logic core is carried to a third potential. The switch is biased by a biasing potential. The devic... | 12/07/2010 |
| 7839206 | Design structure for low voltage applications in an integrated circuit A design structure that includes at least one tunneling device voltage reference circuit for use in low voltage applications is disclosed. The tunneling device voltage reference circuit includes a pair of voltage dividing device stacks, one having a linear voltage o... | 11/23/2010 |
| 7834683 | Method to reduce variation in CMOS delay Controlled voltage circuit for compensating the performance variations in integrate circuits caused by voltage supply, temperature, and process variations is proposed. The controlled voltage circuit includes several MOSFET transistors connected in series, a unity ga... | 11/16/2010 |
| 7821331 | Reduction of temperature dependence of a reference voltage An apparatus and a method to reduce temperature dependence of a reference voltage have been presented. In one embodiment, the method includes generating a reference voltage associated with a difference between a first threshold voltage of a first transistor and a se... | 10/26/2010 |
| 7808307 | Reference current circuit, reference voltage circuit, and startup circuit A current mirror circuit 10 is formed to have a current ratio (a transistor size ratio) of 1:m. As well, respective pairs of nMOS transistors MN1, MN3 and nMOS transistors MN2, MN4 are formed to have a current ratio of 1:m. ... | 10/05/2010 |
| 7808308 | Voltage generating apparatus A voltage generating apparatus is disclosed. The voltage generating apparatus includes a first N-type transistor and an enhancement MOSFET transistor. The first N-type transistor has a first drain/source coupled to a first voltage, a second drain/source generating a... | 10/05/2010 |
| 7795953 | Voltage step-down circuit According to an aspect of the present invention, there is provided a voltage step-down circuit including: a first NMOS connected between an external and an internal power-supply voltages through a PMOS turned ON during an active state and turned OFF during a standby... | 09/14/2010 |
| 7777560 | Internal voltage generator An internal voltage generator includes an internal voltage detecting unit that receives an active signal activated in an active operation mode of a semiconductor memory and a bias voltage varying according to temperature variation, detects a level of an internal vol... | 08/17/2010 |
| 7777559 | Reference voltage generator for analog-to-digital converter circuit To mitigate kickback noise effect, the present invention provides a reference voltage generator for an analog-to-digital converter circuit. The reference voltage generator includes a bias generator, a bias converter and an output unit. The bias generator is used for... | 08/17/2010 |
| 7764114 | Voltage divider and internal supply voltage generation circuit including the same In a voltage divider and an internal supply voltage generation circuit, the voltage divider includes a first transistor having a resistance value that varies in proportion to a change in temperature; and a second transistor having a resistance value that varies in i... | 07/27/2010 |
| 7764113 | Output circuit A reference voltage is applied from a reference voltage generating circuit to the non-inverting input terminal of an amplifier for supplying a drive voltage to the gate terminal of an NMOS transistor, and the output voltage appearing at the source terminal of the NM... | 07/27/2010 |
| 7755419 | Low power beta multiplier start-up circuit and method A circuit (200) can include a reference circuit (202) and a start-up circuit (204). A start-up circuit (204) can include a low threshold voltage reference current device (N3) that can pull a start node (210) low in a start-u... | 07/13/2010 |
| 7746164 | Voltage generating circuit Disclosed is a voltage generating circuit which steps down a voltage to output a stepped down voltage. The voltage generating circuit includes first and second transistors. The drains of the first and second transistors are connected to a higher voltage power supply... | 06/29/2010 |
| 7746163 | Stabilized DC power supply circuit A stabilized DC power supply circuit comprises an error amplifier circuit, an output amplifier circuit, an output voltage division circuit, and a reference voltage circuit. A bias current boost circuit capable of stabilized operation is added to the DC power supply ... | 06/29/2010 |
| 7737769 | OPAMP-less bandgap voltage reference with high PSRR and low voltage in CMOS process A circuit includes an OPAMP-less bandgap voltage generating core circuit connected between a regulated voltage and a ground reference to generate an output bandgap voltage. A preregulator circuit generates the regulated voltage from an unregulated supply voltage. Th... | 06/15/2010 |
| 7724076 | Internal voltage generator of semiconductor integrated circuit An internal voltage generator of a semiconductor integrated circuit includes a first driver that outputs an internal voltage by using an internal reference voltage during an active operation in accordance with a detection signal generated by using an external voltag... | 05/25/2010 |
| 7724075 | Method to provide a higher reference voltage at a lower power supply in flash memory devices A fast reference circuit having active feedback includes a bias supply circuit and a variable divider circuit connected by an active feedback path to the bias supply circuit, and a comparator circuit connected to the variable divider circuit, the bias supply circuit... | 05/25/2010 |
| 7692482 | Profile circuit control function A programmable gain amplifier comprises a current source that generates a first current based on a first transfer function. A voltage amplifier receives an input voltage signal and generates an output voltage signal based on a gain A, wherein the gain A is based on ... | 04/06/2010 |
| 7683702 | Profile circuit control function A compensated control circuit includes a combination module that generates a control variable based on n signals and a process module that generates an output signal based on an input signal and the control variable wherein n is a positive integer. ... | 03/23/2010 |
