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7545685 |
High voltage switch circuit having boosting circuit and flash memory device including the same
A high-voltage switch circuit includes an enable control circuit, a feedback circuit, a boosting circuit, and a high voltage switch. The enable control circuit precharges an output node to a set...
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7538581 |
Fast AC coupled level translator
A level translator has a pair of transistors, wherein a first transistor of the pair of transistors and a second transistor of the pair of transistors are complimentary. A pair of capacitors are...
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7535280 |
Apparatus and method for shifting a signal from a first reference level to a second reference level
An apparatus for shifting a received signal at a first reference level to an output signal at a second reference level; the received signal including information-indicating signal values; includes:...
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7535262 |
High voltage level shifting by capacitive coupling
A circuit configuration which includes an input circuit referenced to one ground voltage and an output circuit referenced to another ground voltage capacitively coupled to the input circuit.
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7532033 |
Source driver and level shifting apparatus thereof
The present invention discloses a source driver and a level shifting apparatus thereof. The level shifting apparatus is used for shifting a level of a data signal. The level shifting apparatus...
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7532054 |
Semiconductor integrated circuit device having I/O circuitry for low voltage operation
A semiconductor integrated circuit device including an I/O circuitry capable of low-voltage high-speed operation at low cost is provided. In the I/O circuitry, when an I/O voltage (for example, 3.3...
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7528628 |
Voltage converter with auto-isolation function
The disclosure relates to a voltage converter, converting a first signal of a first voltage to output a second signal of a second voltage. A level shifter receives the first signal to generate the...
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7528629 |
Low-power low-voltage multi-level variable-resistor line driver
A low-power multi-level pulse amplitude modulation (PAM) line driver using variable resistors for transmitting digital data over controlled-impedance transmission lines.
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7525367 |
Method for implementing level shifter circuits for integrated circuits
A low power level shifter circuit includes an input inverter operating in a domain of a first voltage supply. The input inverter receives an input signal and provides a first inverted signal. An...
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7521963 |
System and method for providing a low standby power interface for a low voltage I2C compatible bus
A system and method for providing a low standby power interface for a low voltage I2C compatible bus is disclosed. A level shifter circuit is provided that comprises a first input connected to the...
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7518412 |
Output circuit having short rise time and small consumption current
A current mirror circuit includes p-type MOS (PMOS) transistors, whereby the current flowing when the input voltage is “H” is interrupted when an output node of the current mirror circuit goes...
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7514960 |
Level shifter circuit
A level shifter circuit has first to fourth transistors and a resistive element. The first transistor is activated in response to a logic signal whose high level voltage is a first voltage. The...
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7511554 |
Systems and methods for level shifting using AC coupling
Systems and methods for conveying signals between integrated circuit (IC) components in domains having different supply voltages. AC coupling is used to increase the speed at which the common mode...
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7511551 |
Voltage converter and method of performing the same
A voltage converter and a method of converting a voltage which maintain a first driver of a driver pair in an active state, where current flows, for only a predetermined time period. The driver...
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7511556 |
Multi-function circuit module having voltage level shifting function and data latching function
The present invention discloses a multi-function circuit module having voltage level shifting function and data latching function via switching a plurality of switch elements. The multi-function...
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7511555 |
Level conversion circuit and input-output device using same
A level conversion circuit includes a controlling section supplied with a first power supply voltage and a second power supply voltage different from each other, the controlling section outputting...
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7511553 |
Current controlled level shifter with signal feedback
The invention relates to a current controlled level shifter which has an input stage having an input for supplying an input signal and having first and second outputs for providing a first and a...
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7511552 |
Method and apparatus of a level shifter circuit having a structure to reduce fall and rise path delay
A method, apparatus and/or system of a level shifter circuit having a structure to reduce fall and rise path delay is disclosed. In one embodiment, a level shifter circuit comprise a first set of...
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7512394 |
Wideband up-conversion mixer
An up-conversion mixer includes a first and a second hybrid couplers and a first and a second traveling-wave mixers is disclosed. The first hybrid coupler receives an input intermediate frequency...
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7508247 |
Source drive circuit
A latchable voltage level shifter is provided. The latchable voltage level shifter comprises: a voltage level shifter receiving an original input signal and generating a high voltage signal...
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7509112 |
Wideband image rejection mixer
An image rejection mixer including a first and a second hybrid couplers and a first and a second traveling-wave mixers is disclosed. The first hybrid coupler divides an input radio frequency (RF)...
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7504873 |
Voltage level shifting device
A voltage level shifting device includes an activation or deactivation control input, first and second output nodes, a capacitor coupled between the output nodes, a high-voltage transistor for...
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7504862 |
Level shifter translator
Level shifter translator of the type comprising at least one first transistor and one second MOS transistor belonging to respective circuit branches connected with a first common conduction...
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7504867 |
Bus holders having wide input and output voltage ranges and tolerant input/output buffers using the same
A bus holder includes a first inverter, a second inverter and a pass switch. The first inverter is coupled between a first power supply voltage node and a second power supply voltage node, and...
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7501875 |
High frequency differential voltage level shifter
A design for a high speed differential voltage level shifter circuit arrangement utilizes both PFETs and NFETs controlled by inputs to determine the state of the outputs, which minimizes or...
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7501874 |
Level shift circuit
A level shift circuit basically has a configuration connecting two CMOS inverter circuits in parallel, furnishes an input signal to a control terminal of the inverter circuit, obtains an output...
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7501856 |
Voltage level shifter
Disclosed is a voltage level shifter, including a pull-up circuit, a voltage drop circuit and a pull-down circuit. Through the voltage level shifter, an input voltage is transformed into an output...
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7501853 |
Data processing circuit
A semiconductor device includes a resistive element having a resistance characteristic not influenced by fluctuations in power supply voltage and a signal output circuit having a desired output...
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7498860 |
Buffer circuit having multiplexed voltage level translation
A buffer circuit is selectively operative in one of at least a first mode and a second mode as a function of a first control signal supplied to the buffer circuit. The buffer circuit includes...
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7495483 |
Input buffer for CMOS integrated circuits
An input buffer for CMOS integrated circuits using sub-micron CMOS technology is affected by the presence of high voltage between various ports of a device. An improvement for such a buffer...
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7495484 |
Programmable frequency multiplier
A programmable frequency multiplier device which includes a frequency doubler section configured to receive an input signal having a frequency f, and to output doubled signals, each of the doubled...
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7492206 |
Level shifter with reduced leakage current and block driver for nonvolatile semiconductor memory device
A level shifter is disclosed and generates an output signal having a swing voltage shifted by a positive boost voltage with respect to an input signal. The level shifter comprises; an enable unit...
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7489165 |
Method and apparatus for amplifying a regulated differential signal to a higher voltage
A sense amplifier for use in a memory device and in a memory-resident system. The sense amplifier operates on a lower voltage consistent with the voltage range of the differential input data and...
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7489178 |
Level shifter for use between voltage domains
A level shifter circuit 28 has a first buffer circuit 30 and a second buffer circuit 32, 34 . An intermediate signal generated by the first buffer circuit 30 is directly passed to the second...
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7479813 |
Low voltage circuit with variable substrate bias
In one form a circuit has a bias stage having an input signal terminal for receiving an input signal. The circuit modifies the input signal with a drive stage to provide an output signal in...
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7480191 |
High speed logic level shifter
A circuit for transmitting logic signals across a high voltage barrier has a logic signal buffer with true and complement state differential outputs. A binary flip-flop with set and reset inputs is...
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7477086 |
Low-skew digital lever shifter for I/O
Circuits, methods, and apparatus for low-skew input/output level-shift circuits. One low-skew input/output circuit includes a single-ended-to-differential converter, a level-shift circuit, and a...
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7477096 |
Radiation tolerant DC/DC converter with non-radiation hardened parts
A radiation tolerant high-power DC/DC converter is disclosed. The converter does not incorporate radiation-hardened parts, but instead uses p-channel FET switches that have a negative gate...
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7474138 |
Level shift circuit and driver circuit using the same
A level shift circuit operates normally when amplitude of input signal is small and amplitude of output signal is large. First and second terminals receive an input signal and its complementary...
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7471106 |
Low-leakage level shifter with integrated firewall and method
A level shifter may reduce leakage current and provide firewall protection between circuits of different voltage domains when one voltage domain is in a standby mode. The level shifter may either...
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7468615 |
Voltage level shifter
A high-speed, area-efficient level shifter includes transistors having a variety of oxide thicknesses. The level shifter has a protection circuit stage, and a current mirror stage that allows the...
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7466184 |
Level shifter
A device for shifting the level of a first signal of relatively low amplitude which is a function of a first supply voltage to a second signal of relatively high amplitude which is a function of a...
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7466312 |
Level shifter circuit and method for controlling voltage levels of clock signal and inverted clock signal for driving gate lines of amorphous silicon gate-thin film transistor liquid crystal display
Provided are a level shifter circuit and a corresponding method for controlling voltage levels of a clock signal and an inverted clock signal for driving gate lines of a ASG thin film transistor...
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7466182 |
Level shift circuit
In many high voltage circuits, it often needs to shift the logic voltage level to keep the circuit normal operation. In the class-D amplifier circuitry, it needs to shift the voltage level of pulse...
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7466183 |
Level shift circuit
The present invention discloses a level shift circuit and a control pulse shaping unit therewith. A level shift circuit for transition of a low-voltage input signal into a high-voltage output...
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7463071 |
Level-shift circuit utilizing a single level-shift switch
A level-shift circuit for use with a half bridge in accordance with an embodiment of the present application includes an oscillator operable to provide a timing signal, a level-shift switch...
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7463078 |
Level-shifting differential amplifier
An analog level-shifting differential amplifier for providing signal amplitude and/or common mode adjustment is disclosed. In one example, a receiver system may include a first amplification stage...
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7463064 |
Level shifter having extended input level
A level shifter for level shifting an input signal from a first level to an output signal having a second level includes an operation range extension portion configured to extend an input range of...
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7456676 |
Charge pump circuit for semiconductor memory device
A charge pump circuit may include a cross-coupled load unit and a bias determination unit. The cross-coupled load unit may receive first and second input signals applied with mutually opposite...
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7449706 |
Photocoupler with compensation circuit
A photocoupler having a first and second light-emitting diodes, a compensation circuit, which compensates input signals to the first light-emitting diode and generates input signals to the second...
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