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| Number | Title | Issue Date |
| RE40053 | Delay circuit having delay time adjustable by current A delay circuit includes a delay part delaying a signal by a delay time which can be varied based on a control current, and a control current adjustment circuit adjusting the control current so that the delay time changes linearly based on a variation in a resistanc... | 02/12/2008 |
| 7265591 | CMOS driver with minimum shoot-through current A CMOS driver with minimum shoot-through current is disclosed. The potential for shoot-through current may be eliminated or reduced with a break-before-make circuit driving an output stage. The break-before-make circuit may include a first logic element followed by ... | 09/04/2007 |
| 7248097 | Voltage-activated, constant current sink circuit Voltage-activated and accurate current sink, and method of providing same. In one aspect, a circuit for accurately sinking current includes a zener diode coupled to a power source at the cathode of the zener diode, and first and second transistors, where the first t... | 07/24/2007 |
| 7190193 | Method and apparatus for a differential driver with voltage translation A differential amplifier is configured to receive an input signal whose magnitude is referenced between a reference voltage and a first power supply magnitude. A differential current conducted by the differential amplifier induces current to be conducted by a first ... | 03/13/2007 |
| 7187227 | Driver circuit A driver circuit includes first and second three-terminal active elements, and first and second delay units. The first and second three-terminal active elements are series-connected. Each of the first and second three-terminal active elements has an amplification fu... | 03/06/2007 |
| 7187226 | Anti-cross conduction drive control circuit and method An anti-cross conduction driver control circuit and method prevent the occurrence of race conditions and avoid cross-conduction between series-connected power devices, typically MOSFETs, controlled in accordance with the present invention. Individual state machines ... | 03/06/2007 |
| 7165230 | Switch methodology for mask-programmable logic devices A mask-programmable logic device that implements a pre-existing circuit design and that includes programmable smart switches is provided. The smart switches are metal terminals that may be programmed to perform configuration-related logic functions of the pre-existi... | 01/16/2007 |
| 7064594 | Pass gate circuit with stable operation in transition phase of input signal, self-refresh circuit including the pass gate circuit, and method of controlling the pass gate circuit Provided is a pass gate circuit capable of operating stably in a transition phase of an input signal, a self-refresh circuit including the pass gate circuit, and a method of controlling the pass gate circuit. The pass gate circuit according to the present invention ... | 06/20/2006 |
| 7030675 | Apparatus and method for controlling a delay chain A method and apparatus for updating the control signal received by a delay chain in a DDR application. A register is used to regulate the control signal to the delay chain. The register only updates the signal at the delay chain when a signal is not passing through ... | 04/18/2006 |
| 6943500 | Matrix element precharge voltage adjusting apparatus and method An apparatus for establishing and applying a voltage to precharge current-driven elements in a matrix. During ordinary scan cycles, a conduction voltage is sensed while the elements conduct a selected current. One or more such sensed conduction voltages are combined... | 09/13/2005 |
| 6275091 | Clock signal control circuit and method and synchronous delay circuit A clock signal control circuit that permits the on-chip circuit dimensional size to be reduced is provided. The clock signal control circuit includes a plurality of amplifier circuit elements amplifying the input clock signal and a plurality of switching ... | 08/14/2001 |
| 6181184 | Variable delay circuit and semiconductor intergrated circuit device A variable delay circuit includes a load on a signal transfer line, at least one transistor connected to the signal transfer line. Each transistor is controlled by a gate voltage thereof so that a signal on the signal transfer line is delayed in response ... | 01/30/2001 |
| 6127880 | Active power supply filter An active power supply filter effectively eliminates power supply noise using a resistive element and a capacitive element coupled at a node, and a switch with a control terminal controlled by the node. The active power supply filter is suitable for high ... | 10/03/2000 |
| 5929675 | Power applying circuit with initial reset pulse for semiconductor memory A power applying circuit for an internal logic circuit includes a plurality of basic power applying units coupled to the internal logic circuit in parallel, each of the basic power applying units including a logic gate unit outputting a pulse in response ... | 07/27/1999 |
| 5872477 | Multiplexer with CMOS break-before-make circuit A multiplexer selectively connects one of first and second nodes to a third node. The multiplexer includes a first switch coupled between the first and third nodes, a second switch coupled between the second and third nodes, and a control input for receiv... | 02/16/1999 |
| 5805012 | Systems and methods for compensating a buffer for power supply fluctuation The speed gap between rise and fall times of a buffer biased by a power supply having a power supply voltage, the speed gap varying in a first manner with respect to the power supply voltage and in a second manner inverse to the first manner with respect ... | 09/08/1998 |
| 5781039 | Frequency controlled switch A method and an apparatus in testing whether the frequency of an incoming signal is higher or lower than a predetermined value. The method only demands a capacitor (C), a resistor (R), a field effect transistor (Q) and a constant current generator (I). Be... | 07/14/1998 |
| 5748029 | MOS transistor switching circuit without body effect A switching circuit utilizing MOS transistors without body effect having a first transistor inserted with source and drain terminals between two connection terminals, and a second and third transistors inserted in series by means of their respective sourc... | 05/05/1998 |
| 5677555 | Output driver transistor with multiple gate bodies Method and apparatus for controlling an output transistor in an output driver circuit. In one embodiment of the invention, an input signal is routed to a first gate body which is disposed over a first channel region in a substrate. The first gate body has... | 10/14/1997 |
| 5629645 | Transmission-line-voltage control circuit and electronic device including the control circuit A transmission-line-voltage control circuit for controlling a level of a transmission line is disclosed. A signal of a first level indicating a logic high and a signal of a second level indicating a logic low are supplied to the transmission line. The tra... | 05/13/1997 |
| 5514995 | PCMCIA power interface An improved power interface device suitable for managing power for a PCMCIA card is disclosed which includes internal charge pumps, to gradually turn on the device's internal N-channel MOSFETs, and a first discharge circuit for gradually turning off the N... | 05/07/1996 |
| 5508654 | Transistor circuits with a terminal for receiving high voltages and signals A transistor circuitry keeps its constituent transistors from being forward biased to prevent injection of large currents into the transistor substrates, and like problems. The transistor circuitry achieves this result with a control circuit which generat... | 04/16/1996 |
| 5498987 | Integratable solid state reset circuit operable over a wide temperature range A reset circuit asserts, de-asserts and re-asserts a reset signal in response to a voltage applied between first and second nodes to which the reset circuit is connected. The reset signal includes a plurality of transistor switches connected together with... | 03/12/1996 |
| 5489866 | High speed and low noise margin schmitt trigger with controllable trip point An improved Schmitt trigger, especially useful for large scale integrated circuit applications, includes a buffer (inverter) having a pull up device and two pull down devices all connected between a voltage supply and ground, and each receiving the input ... | 02/06/1996 |
| 5444398 | Decoded-source sense amplifier with special column select driver voltage A decoded source sense amplifier in which the column select signal is shaped so that it turns on bit select transistors at a predetermined time after the source electrodes of the sense amplifier are connected to ground, so as to give the sense amplifier t... | 08/22/1995 |
| 5424669 | Digitally controlled output slope control/current limit in power integrated circuits A slope control circuit having a plurality of resistive elements connected in parallel, each of the resistive elements including a control element for causing the associated resistive elements to be one of electrically conductive or electrically nonconduc... | 06/13/1995 |
| 5396115 | Current-sensing power-on reset circuit for integrated circuits The power-on reset circuit of this invention includes a current-sensing circuit, a pulse-stretching circuit, and a voltage-reference circuit. The voltage-reference circuit consists, for example, of one N-Channel and one P-Channel MOS transistor. The circu... | 03/07/1995 |
| 5382840 | Analog delay circuit configuration An analog delay circuit configuration includes a switching stage. A capacitor is connected upstream of the switching stage. A controlled current source has a current being definitive for a charging state of the capacitor. The current source is clocked wit... | 01/17/1995 |
| 5365194 | Power operational amplifier having oscillation limiter and method therefor An improved power operational amplifier device is disclosed which provides a floating buffer having a first and second RC time constant for controlling a first bank of MOSFET transistors in an output portion of the device. In addition, the power operation... | 11/15/1994 |
| 5359239 | Output circuit with reduced switching noise According to this invention, each of a PMOS transistor and an NMOS transistor constituting an output stage has a plurality of gates, the gates of the PMOS and NMOS transistors are independently driven by a plurality of first inverter circuits and a plural... | 10/25/1994 |
| 5359233 | Reset monitor for detection of power failure and external reset Reset monitor for detection of power failure and external reset for devices such as microprocessors with the reset monitor providing a single settling time hold down of a reset signal. Preferred embodiments include bandgap reference with high current side... | 10/25/1994 |
| 5327392 | Semiconductor integrated circuit capable of preventing occurrence of erroneous operation due to noise A semiconductor integrated circuit includes a circuit block whose operation is controlled by a inverted control signal whose significant potential level is set at a ground potential, and a wiring for transmitting a control signal for controlling the opera... | 07/05/1994 |
| 5319607 | Semiconductor unit The present invention relates to a semiconductor unit including a delay circuit used for an address transition detecting circuit in a storage, wherein a change of an address is detected and, accordingly, an access address in a memory cell is altered. The ... | 06/07/1994 |
| 5287023 | Reverse-bias control circuit for a voltage-driven switching element In a reverse-bias control circuit for a voltage-driven switching element which turns on upon receiving a forward-bias voltage and turns off upon receiving a reverse-bias voltage, a step-down circuit is included which serves for stepping down a reverse-bia... | 02/15/1994 |
| 5283631 | Programmable capacitance delay element having inverters controlled by adjustable voltage to offset temperature and voltage supply variations A delay element for fine tuning the position in time of timing edges of an input signal, comprising a first and a second inventer, each comprising a data input, a control input and a data output. The delay element further comprises a node comprised of a c... | 02/01/1994 |
| 5278522 | High frequency voltage controlled oscillator A phase lock loop operates independent of temperature and process variation by digitally loading a VCO until reaching the desired operating frequency. The VCO reaches a high output frequency even under worst case processing by controlling multiple current... | 01/11/1994 |
| 5264738 | Flip-flop circuit having transfer gate delay The transfer gate between the master section and the slave section in a flip-flop circuit includes a circuit for reducing the sensitivity to slow clock edges and clock skew. This is accomplished by prolonging the transfer time for data from the master to ... | 11/23/1993 |
| 5227679 | Cmos digital-controlled delay gate A CMOS digital-controlled delay gate is provided in which the propagation delay time can be precisely controlled by digital select control signals. The delay gate includes an inverter circuit section (12) formed of a plurality of CMOS inverters (12a-12n) ... | 07/13/1993 |
| 5214316 | Power-on reset circuit device for multi-level power supply sources A power-on reset circuit device has a first power-on reset circuit which outputs a first reset signal, when an external power supply voltage reaches a first reference voltage, for resetting a DC-DC converter for producing a plurality of internal power sup... | 05/25/1993 |
| 5180926 | Power-on reset architecture A power-on reset circuit for providing a reset signal to an active device on an integrated circuit (IC). The circuit includes a RC circuit for producing a reset signal until its capacitor fully charges. The circuit also includes a voltage detector for pre... | 01/19/1993 |
