Miscellaneous active electrical nonlinear devices, circuits, and systems inventions 05/06

20060109032 - Method and apparatus for verifying semiconductor integrated circuits: A timing verification apparatus calculates a pulse width variation coefficient based on a pulse width of an input clock signal, a delay value of the clock signal, and an operation frequency. The apparatus then calculates the pulse width for a delayed clock signal provided to a clock input terminal of...

20060109033 - Voltage grading and shielding method for a high voltage component in a pcb and an x-ray apparatus: In some embodiments, a voltage grading and shielding method for a high voltage component, is provided. In some embodiments, the method includes configuring at least one first track constructed of a metal or an alloy, at a first location predetermined from the mounting position of the high voltage component, and...

20060109034 - Device for controlling a semiconductor element: A control device for controlling a load drive semiconductor element for driving a load has a test operation mode for measuring a leak current of the load drive semiconductor element. In the test operation mode, a control terminal of the load drive semiconductor element is electrically separated from a power...

20060109035 - Clock frequency divider circuit: A clock frequency divider circuit including: a storing section for storing an input signal in synchronism with an input clock signal; a supplying section for supplying, as the input signal, one of a first value obtained by adding a value stored by the storing section to a numerator setting value...

20060109036 - Power-low reset circuit: A power-low reset circuit is provided. The power-low reset circuit receives a reset signal outputted from a power on reset circuit and a stored voltage of a capacitive device in the power-on reset circuit provides an electrical path when a power voltage drops under a predetermined voltage level. The power-on...

20060109037 - Power-on reset circuit: A power-on reset circuit is provided. The power-on reset circuit includes an adjusting circuit, a charging/discharging unit and an output circuit. The adjusting circuit receives and adjusts a clock signal so as to output a control signal, wherein a minimum level of the control signal is clamped to be higher...

20060109038 - Coarse delay tuner circuits with edge suppressors in delay locked loops: The invention discloses a delay locked loop which includes a coarse delay tuner circuit with edge suppressors suitable for use with delay locked loops (DLLs). The disclosed tuner circuit provides reduced lock time of the DLL circuit....

20060109039 - Pulse width modulation device with a power saving mode controlled by an output voltage feedback hysteresis circuit: A pulse width modulation device with a power saving mode controlled by an output voltage feedback hysteresis circuit is used in a power supply. The present invention comprises a hysteresis comparison circuit extracting a feedback voltage, a high threshold voltage and a low threshold voltage, and the voltages are executed...

20060109040 - Bistable device of the edge-triggered flip-flop type: A bistable flip-flop device is provided that is triggered on the edges of a clock signal. The device has an active mode in which it is electrically powered and an inactive mode. The device includes a chain of inverters controlled by a clock signal, storage means for storing the state...

20060109041 - Current comparator with hysteresis: A hysteresis current comparator includes a first current comparison unit, a second current comparison unit, and a control circuit connected to the two current comparison units. The first current comparison unit compares a first reference current with an input current and outputs a first voltage accordingly. The second current comparison...

20060109042 - On-chip electrically alterable resistor: A programmable, electrically alterable (EA) resistor, an integrated circuit (IC) chip including the EA resistor and integrated analog circuits using on-chip EA resistors. Phase change storage media form resistors (EA resistors) on an IC that may be formed in an array of parallel EA resistors to set variable circuit bias...

20060109044 - Internal clock generation circuits with improved locking speed, associated analog synchronous mirror delay circuits, and corresponding methods: Internal clock generation circuits are provided that include a first delay circuit that is responsive to a first clock signal, a coarse locking circuit that includes at least one analog synchronous mirror delay circuit, the coarse locking circuit responsive to an output from the first delay circuit and to the...

20060109043 - Pulse generator: A pulse generator comprising a series coupling of delay elements (D1, D2, D3, D4, D5) every two consecutive delay elements (D1, D2, D3, D4, D5) being coupled at a plurality of coupling points (A1, A2, A3, A4), the series coupling of delay elements (D1, D2, D3, D4, D5) having a...

20060109045 - Precision rectifier circuit for high-density, low-power implantable medical device: A precision voltage rectifier comprises a source voltage input and a voltage reference. The rectifier comprises switching elements that, according to the sign of the source signal, change the connections to the inputs of a differential difference amplifier that is connected as a voltage inverter. Embodiments of the invention are...

20060109046 - Method for determining switching state of a transistor-based switching device: A method, which is for determining switching state of a transistor-based switching device that includes a set of transistors, includes the steps of: applying a bias voltage to a transistor having a fastest response so as to dispose the transistors in the set in a desired transistor state; detecting a...

20060109047 - Charge pump circuit with dynamic biasing of pass transistors: A two-phase charge pump is provided that is controlled by first and second clock signals in phase-opposition. The charge pump has a sequence of cascade-connected stages. Each stage includes a capacitive element driven by one clock signal such that capacitive elements of adjacent stages are driven by different clock signals,...

20060109048 - Charge pump circuit with reuse of accumulated electrical charge: A two-phase charge pump is provided that is capable of being controlled by first and second clock signals that are out-of-phase and take alternatively a first value and a second value during consecutive phases. The charge pump includes a sequence of cascade-connected stages that each have a first section and...

20060103432 - Bidirectional deglitch circuit: A deglitch circuit utilizes a first flip-flop coupled to the input signal and a second flip-flop coupled to the output of a circuit with feedback from the output to gates to control first and second inputs to the first flip-flop. In an alternative arrangement, a counter is provided between the...

20060103433 - Voltage comparator circuit with symmetric circuit topology: A voltage comparator circuit is composed of a differential amplifier circuit receiving a pair of input signals to develop an output signal on an output terminal, and a waveform shaping circuit connected to the output terminal. The differential amplifier circuit includes: a first differential transistor pair responsive to the pair...

20060103434 - Semiconductor device: A detector circuit and a negative voltage generating circuit capable of performing high-speed operation are provided. A negative voltage generating circuit includes a charge pump circuit, a first voltage divider circuit that makes a voltage division between an output of the charge pump circuit and a power supply to output...

20060103435 - Single gate oxide i/o buffer with improved under-drive feature: A high voltage buffer module used in an input/output buffer circuit coupled between a high voltage circuit and a low voltage circuit, operates between a first supply voltage and its complementary second supply voltage. A pull-up module, coupled between the first supply voltage and an output node, outputs the first...

20060103436 - Reset control circuit and reset control method: To present a reset control circuit and a reset control method used in a system including clock synchronous circuit, capable of resetting appropriately, especially in case of abnormality, when the clock signal is stopped or its period is longer as compared with the reset response required for detection of abnormal...

20060103438 - Initialization signal generation apparatus for use in a semiconductor device: There is provided an initialization signal generation apparatus for use in a semiconductor device. The apparatus comprises a voltage divider for dividing an external voltage into a plurality of divided voltages, a first initialization signal generator for producing a first initialization signal in response to a first divided voltage on...

20060103437 - Power-on reset circuit: A power-on reset circuit senses levels of internal power voltage including a boosting voltage and a core voltage as well as an external power voltage, and outputs a power-on reset signal when the voltages are all over a predetermined level, thereby improving stability of an initializing operation. The power-on reset...

20060103439 - Synchronization circuit and method with transparent latches: A synchronization circuit for re-synchronizing data from an input clock to an output clock is presented. The first transparent latch receives data synchronized to an input clock. A second transparent latch receives data from the first transparent latch and outputs data dependent on a delayed output clock which is the...

20060103440 - Low lock time delay locked loops using time cycle suppressor: The invention discloses a delay locked loop (DLL) architecture with a time cycle suppressor circuit suitable for use with synchronous integrated circuits containing a clock generator. Utilization of the improved delay locked loop architecture with a time cycle suppressor circuit disclosed herein enables reduction in the lock time of the...

20060103441 - Digital duty cycle corrector: A circuit and method of correcting the duty cycle of digital signals is disclosed. The duty cycle of an input digital signal is measured and compared to a desired duty cycle. The leading edge of the input digital signal is passed to an output. The circuit and method adjust the...

20060103442 - Memory element with improved soft-error rate: In a preferred embodiment, the invention provides a circuit and method for reducing soft error events in memory elements. A first transfer gate is connected to an first input of a first tristatable inverter, a second input of a second tristatable inverter, and the output of a third tristatable inverter....

20060103443 - Clocked state devices including master-slave terminal transmission gates and methods of operating same: A clocked state circuit can include a transmission gate configured to clock an output of a master terminal to an input of a slave terminal responsive to a clock signal or a delayed clock signal coupled to the transmission gate....

20060103444 - Data output circuit of memory device: A data output circuit of a memory device comprises an output enable signal generating unit, an output driving unit, an output driving unit and an output enable control unit. The output enable signal generating unit generates a reference output enable signal in response to a read command and outputting a...

20060103445 - Method and apparatus for generating non-skewed complementary signals through interpolation: A complementary digital signal generator circuit and method receives a periodic digital signal, such as a square wave, as an input and generates at the output complementary versions of the digital signal delayed by matching increments of delay with minimum skew at GHz frequencies. The digital signal is processed by...

20060103446 - Driver circuit: A circuit for coupling a logic signal from a circuit input to a circuit output includes a parallel connection of a first circuit branch and a second circuit branch, wherein an inverter in the first branch powered as last inverter in this branch via first supply terminals, via which a...

20060103447 - Method and apparatus for summing dc voltages: A method and apparatus are provided for summing DC voltages, which employ at least one native transistor device to add a first DC input voltage to a second DC input voltage to produce a sum output....

20060103448 - Radio-frequency switch circuit and semiconductor device: Switch sections composed of a plurality of FETs 111 to 118 and 121 to 128 connected in series are provided between input/output terminals 161 and 162 and ground terminals 181 and 182, and between the input/output terminals 161 to 163. A plurality of gate bias resistors 131 to 138, 141...

20060103449 - Semiconductor integrated circuit device and a contactless electronic device: To augment the temperature dependence of the voltage used to detect temperature in a semiconductor integrated circuit device having a temperature detection function, the operating power supply voltage of the semiconductor integrated circuit device has needed to be enhanced. It becomes possible for such a semiconductor integrated circuit device to...

20060103450 - Charge pump current source: This invention provides a circuit and a method for generating a low-level current using semiconductor charge pumping. The invention provides a means of generating a range of current sources by varying the frequency of a repetitive voltage pulse input signal. Also, this invention utilizes one or many MOSFET devices in...

20060103451 - Tunable reference voltage generator: A reference voltage generator generates an output reference voltage having various voltage levels. The reference voltage generator includes an amplifier to amplify a difference between a feedback reference voltage and a feedback voltage to generate an amplified signal, a current driving circuit to provide a current signal in response to...

20060103452 - Internal voltage generator for semiconductor device: Disclosed is an internal voltage generator capable of outputting a constant voltage regardless of change of a supply voltage. The internal voltage generator includes a current mirror unit, drivers and a voltage divider and prevents a channel length modulation phenomenon by changing the structure of the current mirror unit....

20060103453 - Voltage down converter: A voltage down converter is provided that includes a voltage regulator and voltage driver circuit branches. The voltage regulator receives a first voltage, has a regulation node providing a regulated second voltage that is lower than the first voltage, and has a control node providing a control voltage corresponding to...

20060103455 - Resistorless bias current generation circuit: A bias current generating circuit generates a reliable and consistent bias current, irrespective of variation in applied power, process and temperature. In one embodiment, the bias current generator generates a bias current using a PTAT current generator and an IPTAT current generator comprising exclusively active circuit elements, for example transistors....

20060103454 - Temperature compensated fet constant current source: A constant current source comprises a FET, a bandgap reference voltage source coupled to its gate terminal and a resistor coupled to its source terminal. The width and length of the FET are configured so that the temperature coefficient (TEMPCO) of Vgs of the transistor offsets the TEMPCO of the...

20060103456 - Frequency selection using capacitance multiplication: A variable capacitance circuit on an integrated circuit comprises a MOS transistor, and a capacitance multiplier connected to one end of a channel of the MOS device. A MOS device is formed in series with an inductance, and a capacitance multiplier is formed to be connected to a node between...

20060097755 - Phase comparator and semiconductor device with phase comparator: It is an object of the present invention to improve the phase difference detection accuracy of a phase comparator. A phase difference signal generation circuit outputs a signal C_SIGNAL which takes a high level for a period corresponding to the phase difference between the comparison target signals COMP1 and COMP2...

20060097756 - Duty distortion detector: A duty distortion detector comprises a first synchronous mirror delay configured to mirror a first signal with respect to a clock signal to provide a second signal, and a second synchronous mirror delay configured to mirror the second signal with respect to an inverted clock signal to provide the first...

20060097757 - Integrated circuit die including a temperature detection circuit, and system and methods for calibrating the temperature detection circuit: An integrated circuit die is disclosed including a temperature detection circuit and a memory configured to store calibration data. The temperature detection circuit is operatively coupled to the memory, and receives an input signal. The temperature detection circuit is configured to produce an output signal dependent upon the input signal...

20060097758 - Power control using at least 540 degrees of phase: An electrical alternating current power signal and a circuit and method for generating the same in which the alternating current signal is dropped once at a non-zero crossing point in every 540 plus N degrees, where N is a non-negative number. This manner of controlling power to a device enables...

20060097759 - Current driver: A current driver outputs an output current according to a reference current. The current driver includes: a current-voltage converter; a bias-voltage generating transistor; a differential amplifier; and a driving transistor. The converter has a given resistance value and is connected between a first node and a second node. The bias-voltage...

20060097760 - Differential signal generating circuit, differential signal transmitting circuit and differential signal transceiver system: A differential signal generating circuit has first and second transistors connected in series between a first node and a second node, third and fourth transistors connected in series between the first node and the second node, a first differential output terminal connected to a connection path between the first transistor...

20060097761 - High-speed write driver: A write driver includes two field-effect/bipolar transistors with feedbacks between the drains/collectors and gates/bases, a write/read switch connected between the drains/collectors and a positive power supply, an impedance matching circuit connected to the drains/collectors to match both differential and common mode output impedance of the write driver to an input...

20060097762 - Delay locked loop and semiconductor memory device having the same: In a delay locked loop and a semiconductor memory device having the same, the delay locked loop includes a phase detecting and control signal generator for detecting a phase difference between a clock signal and a feedback clock signal and generating a plural-bit delay control signal which varies according to...

20060097763 - Delay locked loop having internal test path: A delay locked loop generates a voltage on a common node as a function of a phase difference between a reference input and a feedback input. A first voltage-controlled delay line coupled between the reference input and the feedback input and has a first delay, which is controlled by the...

20060097764 - Slew rate controlled output circuit: An output circuit comprises an input node, an output node, a first output transistor, a second output transistor, a first slew rate control circuit, and a second slew rate control circuit. The first output transistor and the second output transistor are coupled in series. The first slew rate control circuit...

20060097765 - Pwm signal generation circuit and pwm control circuit: A PWM signal generation circuit and a PWM control circuit are provided in which the duty ratio is easily changed and which can also avoid adverse impact from ambient temperature changes and the like. At the beginning of charging a capacitor with a current flow, a voltage level at a...

20060097766 - Scannable latch: A scannable latch is disclosed. The scannable latch includes a dynamic circuit, two cross-coupled NAND gates coupled to the dynamic circuit, and a pair of stacked transistors coupled to the dynamic circuit. One of the stacked transistors is for receiving data signals, and the other stacked transistors is for receiving...

20060097767 - Clock signal generator and method thereof: A clock signal generator and method thereof are provided for a system to generate an output signal. The apparatus comprises: a delay circuit for generating a delayed clock with a first time, a delay module for generating delayed signal(s), and a decision circuit for comparing the delayed signal(s) with the...

20060097768 - Pulse generation circuit: There is provided a pulse generation circuit having a small input load and capable of self-reset. The pulse generation circuit includes: a P-MOS transistor having a drain electrode connected to a first power source line; a first N-MOS transistor having a drain electrode connected to the source electrode of the...

20060097769 - Level shift circuit and semiconductor circuit device including the level shift circuit: In a level shift circuit constituted by n-channel MOS transistors (TN-A and TN-B) and p-channel MOS transistors (TP-A and TP-B), p-channel MOS transistors (TP-C and TP-D) constituting a current mirror circuit at the transistors (TP-A and TP-B), thereby limiting a direct tunneling current from VDDH to VSS and enabling high-speed...

20060097770 - Method and apparatus for controlling a circuit with a high voltage sense device: A control circuit with a high voltage sense device. In one embodiment, an apparatus includes a first transistor disposed in a substrate having a first, a second and a third terminal. The first terminal of the first transistor is to be coupled to an external voltage and the second and...

20060097772 - Charge pump circuit: The charge pump circuit includes: a first switch for controlling either one of push operation and pull operation based on a first control signal; a current mirror circuit composed of a transistor different in attribute from the first switch; and a second switch composed of a transistor same in characteristic...

20060097773 - Negative voltage generator circuit: The present invention is related to a negative voltage generating circuit for reliably providing the semiconductor integrated circuit (IC) with a negative voltage. An electric charge pumping device generates a negative voltage by pumping an electric charge to a predetermined level supplied to one of a first node and a...

20060097771 - Pumping circuit of semiconductor device: Disclosed herein is a pumping circuit of a semiconductor device. According to the pumping circuit in accordance with the present invention, if an externally applied voltage detected by a voltage level detector is below a predetermined voltage, a first transfer pump and a second transfer pump performs a two-step pumping...

20060097774 - Semiconductor device with leakage current compensating circuit: A semiconductor device includes a current mirror circuit having a plurality of transistors; a current source configured to supply a constant reference current to the current mirror circuit through a node; and a compensating circuit configured to supply a compensation current to the node to compensate for at least a...

20060097775 - Circuit and method of controlling integrated circuit power consumption using phase change switches: A circuit and method of controlling integrated circuit power consumption using phase change switches where the phase change switches switchably couple and decouple power sources to logic blocks in response to a programming voltage....

20060097776 - Voltage applying circuit: A voltage applying circuit is provided between a DC/DC converter which lowers a first voltage to generate a second voltage and a load circuit to which the second voltage is to be applied. The voltage applying circuit includes a first terminal to which the first voltage is to be applied,...

20060097777 - Architecture for transverse-form analog finite-impulse-response filter: A transverse form analog finite impulse response filter. The filter has an input and an output. A first set of passive delay elements connected in serial to the input, and a second set of passive delay elements are connected in serial to the output. Transconductors are connected in parallel with...

20060097778 - Differential amplifier with high voltage gain and stable common mode output voltage: Disclosed is a differential amplifier having a high voltage gain and a stable common-mode output voltage. The differential amplifier is comprised of a signal loading circuit to regulate the amount of currents flowing through first and second signal output terminals. The signal loading circuit includes first and second loading diodes...

20060097779 - Method and apparatus for sensing current and voltage in circuits with voltage across an led: Methods and apparatuses to sense current and voltage in circuits with voltage drop. In one aspect of the invention, a sense circuit includes a first diode, a first resistor and a light emitting diode (LED). The first resistor is coupled to the first diode. The first current is to be...

20060091915 - Common mode stabilization circuit for differential bus networks: A differential bus network, in general, or a controller area network (CAN) driver, in particular, controls and minimizes the variation on the common-mode signal of the CAN bus. This CAN driver also provides improved symmetry between its differential output signals, CANH and CANL, and provides protection for its low voltage...

20060091916 - Image forming apparatus and high voltage power thereof: The image forming apparatus with the high voltage power supply apparatus which includes an AC high voltage power supply and a DC high voltage power supply and which outputs at an output end a voltage of an output voltage of the AC high voltage power supply superposed on an output...

20060091917 - High voltage tolerant i/o circuit using native nmos transistor for improved performance: An I/O circuit between a low voltage circuit and a high voltage circuit includes a switching device, a native device and a gate control logic circuit. The switching device provides an output signal to the high voltage circuit in response to a data input signal received from the low voltage...

20060091918 - Method and apparatus for switching frequency of a system clock: A system clock switching apparatus, which includes a clock source for providing a reference clock signal; a frequency divider electrically connected to the clock source for dividing the reference clock signal to produce a frequency-divided signal and a system clock signal; and an enable signal generator electrically connected to the...

20060091919 - Method and system for a divide by n circuit with dummy load for multiband radios: Certain embodiments of the invention provide a method and system for symmetrically loading a divider circuit for multiband receivers. The method may comprise coupling a second divider circuit to an I component output signal of a first divider circuit and coupling a dummy load to a Q component output signal...

20060091920 - Power on reset circuit: A power on reset circuit includes a pulse generation circuit that is connected to receive a supply voltage and respond to an initial ramp-up of that supply voltage to generate an output pulse that transitions from a low to a relatively high state tracking the supply voltage ramp-up. The pulse...

20060091922 - Duty cycle correction: A duty cycle correction circuit comprises an averaging circuit configured to receive a first signal and a second signal and provide a third signal, a duty restoration circuit configured to receive the third signal and a fourth signal and provide a fifth signal having a duty cycle closer to 50%...

20060091921 - Duty cycle correction circuit and a method for duty cycle correction in a delay locked loop using an inversion locking scheme: Provided are a duty cycle correction circuit and method for duty cycle correction in a delay locked loop using an inversion locking scheme. The duty cycle correction circuit comprises: a correction unit exchanging and receiving a first duty correction signal and a second duty correction signal and selecting and receiving...

20060091923 - Reset circuit: A circuit includes a reset circuit body and a delay circuit. The circuit body outputs a signal which indicates a reset when the supply of a supply voltage is initiated until the supply voltage reaches a sufficient value and indicates release of the reset after it reaches the sufficient value....

20060091924 - Hysteresis comparator and reset signal generator: In some examples, a hysteresis comparator includes a series resistor portion including a plurality of resistors for dividing a power supply voltage, the series resistor portion generating a first midpoint voltage and a second midpoint voltage higher than the first midpoint voltage, a first comparator configured to compare the first...

20060091925 - Interpolator systems and methods: Embodiments of an interpolator system and method are disclosed. One embodiment of an interpolator system, among others, includes an interpolator having first and second output terminals providing output signals; a comparator coupled to the first and second output terminals and configured to detect a peak voltage level of the output...

20060091926 - Prevention of the propagation of jitters in a clock delay circuit: The clock delay circuit according to the present invention includes a delay circuit section, a selection circuit section, and jitter suppression elements. The delay circuit section provides a plurality of delay clock signals that are obtained by delaying a clock signal with a different delay amount. The selection circuit section...

20060091927 - Delay stage for a digital delay line: A delay stage for a digital delay line comprising: a first string of delay segments coupled in series; a second string of delay segments coupled in series; pass gates coupled between the first string of delay segments and the second string of delay segments, wherein each delay segment in the...

20060091928 - Clock scaling circuit: Techniques for scaling and switching clocks in a glitch-free manner are provided. For example, in one aspect of the present invention, a technique for switching a frequency associated with a master clock includes the following steps/operations. Two phase clocks are generated from a master clock, wherein the two phase clocks...

20060091929 - Self-biased high voltage level shifter: A high voltage level shifter having a cost effective design that saves chip architecture and power. The high voltage level-shifter includes a resistor connected between a first node and a first power supply rail. An inverter couples to receive an input signal to provide an inverted input signal. A first...

20060091930 - Equalizing transceiver with reduced parasitic capacitance: A signaling circuit having reduced parasitic capacitance. The signaling circuit includes a plurality of driver circuits each having an output coupled to a first output node, and a plurality of select circuits each having an output coupled to a control input of a corresponding one of the driver circuits. Each...

20060091931 - System and method for common mode bias for high frequency buffers: Methods and systems for reducing parasitic capacitance of a buffer for an electric circuit are disclosed herein. Aspects of the method may comprise coupling a gate of a first transistor to a first differential input of the buffer and coupling a gate of a second transistor to a second differential...

20060091933 - Analog switch having a minimized external flow of leakage current and switched capacitor filter incorporating the analog switch: An analog switch used in a switched capacitor filter has N-channel and P-channel MOS FETs connected in parallel between input and output switch terminals, with capacitor charge currents being periodically produced from the output terminal. The filter derives an output signal with respect to a reference voltage and maintains the...

20060091932 - Pass transistors with minimized capacitive loading: A tracking switch includes an MOS switching transistor with a control terminal coupled to a CMOS inverter. The relative geometries of the transistors that make up the inverter are significantly imbalanced, resulting is substantially different drive strengths (i.e., substantially different on-resistances). The gate of the switching transistor exhibits parasitic capacitances...

20060091934 - Forward biasing protection circuit: A forward biasing protection circuit is provided. More specifically, there is provided a device comprising a transistor, a resistive element coupled to the body terminal of the transistor, and a clamping element coupled in parallel to the resistive element and configured to limit a voltage between the source terminal and...

20060091935 - Processor apparatus with body bias circuitry to delay thermal throttling: Apparatuses and methods for delaying thermal throttling of processor devices by decreasing threshold voltages are disclosed....

20060091936 - Semiconductor integrated circuit device: A substrate bias is controlled such that a leakage current is minimum. A semiconductor integrated circuit device comprises a leakage detecting circuit which detects a leakage current by using leakage detecting MOSFETs, a control circuit which generates a control signal depending on an output from the leakage detecting circuit, a...

20060091937 - Internal voltage generator: An internal voltage generator for use in a semiconductor memory device includes an internal voltage generation unit for generating the internal voltage according to a standby power mode and an active power mode based on a result of comparing the internal voltage with a first reference voltage; and an internal...

20060091938 - Internal voltage generator of semiconductor memory device: The present invention provides an internal voltage generator for maintaining a voltage level of an internal voltage by forcibly discharging an over-supplied voltage. The internal voltage generator includes a reference voltage generator for outputting at least one reference voltage with a predetermined voltage level after receiving an external voltage; a...

20060091940 - Cmos current mirror circuit and reference current/voltage circuit: Disclosed is a CMOS current mirror circuit including a first MOS transistor and a second MOS transistor constituting a current mirror, in which a drain of the first MOS transistor and a gate of the second MOS transistor are connected in common, a source of the first MOS transistor is...

20060091939 - Power supply circuit of delay locked loop: A driving voltage is supplied to a delay locked loop, with having the same voltage level as the power supply voltage but reduced variation and, accordingly, the delay locked loop can be operated more stably. Further, the two different levels of the driving voltage may be provided to the delay...

20060091941 - Suppression of noise in an integrated circuit: Sub-circuits of an integrated circuit can act as noise sources on common conductors such as power supply lines and the substrate. Each of these conductors may act as a noise medium capable of transferring noise signals from the noise source to other sub-circuits. One or more feedback circuits are coupled...

20060091942 - Semiconductor integrated circuit device: A semiconductor integrated circuit device provided with a first circuit block BLK1, a second circuit block DRV1 and a conversion circuit MIO1 for connecting the first circuit block to the second circuit block. The first circuit block includes a first mode for applying a supply voltage and a second mode...

20060091943 - Automatic activity detection in a display controller: Detecting when the on-board power supply is powered on or off by an auto activity detection circuit by determining if the reference clock signal (TCLK) is toggling and if the reference clock signal is toggling, then charging a capacitor to a high voltage in the auto activity detection circuit based...