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7418071 |
Method and apparatus for generating a phase dependent control signal
A phase detector generates a phase dependent control signal according to the phase relationship between a first and second clock signal. The phase detector includes first and second phase detector...
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7415404 |
Method and apparatus for generating a sequence of clock signals
A clock generator circuit generates a sequence of clock signals equally phased from each other from a master clock signal. The clock generator is formed by inner and outer delay-locked loops. The...
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7394782 |
Reduced power time synchronization in wireless communication
Methods, devices, and systems for wireless communication in which one or more devices are scheduled to awake from a low power sleep state at a scheduled time for data transmission. An illustrative...
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7373575 |
Method and apparatus for generating expect data from a captured bit pattern, and memory device using same
Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data...
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7348802 |
Differential receiver
A differential receiver includes a feedback circuit connected between an output node and one common node of the differential receiver to reduce the bandwidth and reject noise for a specific...
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7289466 |
Localization for low cost sensor network
Wireless devices, systems and approaches or methods having the capability of determining the location of a given wireless device. An example system includes a wireless device that generates at...
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7234070 |
System and method for using a learning sequence to establish communications on a high-speed nonsynchronous interface in the absence of clock forwarding
A memory system includes a memory hub controller that sends write data to a plurality of memory modules through a downstream data bus and receives read data from the memory modules through an...
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7190625 |
Method and apparatus for data compression in memory devices
A test circuit for a memory device having a pair of arrays each of which includes a plurality of memory cells arranged in rows and columns. A pair of complementary digit lines is provided for each...
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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...
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7187214 |
Amplifier circuit having constant output swing range and stable delay time
Provided is an amplifier circuit having a constant output swing range and a stable delay time, where the amplifier circuit includes a first bias unit, a second bias unit, a comparison unit, and an...
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7168027 |
Dynamic synchronization of data capture on an optical or other high speed communications link
A method and system that dynamically adjusts link control parameters of a communications network. The communications network includes a transmitter coupled through a first data link to a receiver....
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7164292 |
Reducing electrical noise during bus turnaround in signal transfer systems
Systems and methods for reducing electrical noise generated during bus turnaround in signal transfer systems are provided. These systems include differential drivers having current sources...
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7159092 |
Method and system for adjusting the timing offset between a clock signal and respective digital signals transmitted along with that clock signal, and memory device and computer system using same
A method and circuit adaptively adjust respective timing offsets of digital signals relative to a clock output along with the digital signals to enable a latch receiving the digital signals to...
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7136316 |
Method and apparatus for data compression in memory devices
A test circuit for a memory device having a pair of arrays each of which includes a plurality of memory cells arranged in rows and columns. A pair of complementary digit lines is provided for each...
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7085975 |
Method and apparatus for generating expect data from a captured bit pattern, and memory device using same
Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data...
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7081775 |
Bias technique for operating point control in multistage circuits
A multistage analog circuit for independently controlling a bias current in each stage of the multistage analog circuit having an input stage, an intermediate stage, and an output stage, includes a...
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7016451 |
Method and apparatus for generating a phase dependent control signal
A phase detector generates a phase dependent control signal according to the phase relationship between a first and second clock signal. The phase detector includes first and second phase detector...
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7015789 |
State validation using bi-directional wireless link
Building monitoring and control systems including bi-directional radio frequency links between master and remote units wherein the remote units operate in a low power, non-receiving state a...
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6999361 |
Method and apparatus for data compression in memory devices
A test circuit for a memory device having a pair of arrays each of which includes a plurality of memory cells arranged in rows and columns. A pair of complementary digit lines is provided for each...
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6987702 |
Method and apparatus for data compression in memory devices
A test circuit for a memory device having a pair of arrays each of which includes a plurality of memory cells arranged in rows and columns. A pair of complementary digit lines is provided for each...
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6959016 |
Method and apparatus for adjusting the timing of signals over fine and coarse ranges
A variable delay circuit is formed by a fine delay circuit and a coarse delay circuit. The fine delay circuit adjusts the delay of a delayed clock signal in relatively small phase increments with...
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6954097 |
Method and apparatus for generating a sequence of clock signals
A clock generator circuit generates a sequence of clock signals equally phased from each other from a master clock signal. The clock generator is formed by inner and outer delay-locked loops. The...
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6952462 |
Method and apparatus for generating a phase dependent control signal
A phase detector generates a phase dependent control signal according to the phase relationship between a first and second clock signal. The phase detector includes first and second phase detector...
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6931086 |
Method and apparatus for generating a phase dependent control signal
A phase detector generates a phase dependent control signal according to the phase relationship between a first and second clock signal. The phase detector includes first and second phase detector...
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6912680 |
Memory system with dynamic timing correction
A memory system includes a memory controller and a bank of memory devices. The memory controller controls the memory devices through packets of control data and a master clock signal. Each of the...
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6901066 |
Wireless control network with scheduled time slots
A building monitoring system is disclosed that includes a bi-directional radio link between a master and a number of remote units, wherein the master unit schedules the transmission times of the...
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6882179 |
Differential CMOS logic with dynamic bias
A CMOS circuit arrangement. In this arrangement, relatively thick oxide devices are fabricated along with relatively thin oxide devices on the same chip. High speed logic circuits are fabricated...
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6819611 |
Method and apparatus for data compression in memory devices
A test circuit for a memory device having a pair of arrays each of which includes a plurality of memory cells arranged in rows and columns. A pair of complementary digit lines is provided for each...
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6801989 |
Method and system for adjusting the timing offset between a clock signal and respective digital signals transmitted along with that clock signal, and memory device and computer system using same
A method and circuit adaptively adjust respective timing offsets of digital signals relative to a clock output along with the digital signals to enable a latch receiving the digital signals to...
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6731136 |
Differential CMOS logic with dynamic bias
A CMOS circuit arrangement. In this arrangement, relatively thick oxide devices are fabricated along with relatively thin oxide devices on the same chip. High speed logic circuits are fabricated...
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6727816 |
Wireless system with variable learned-in transmit power
A building monitoring and control system is disclosed that includes a bi-directional radio link between master and remote units, wherein the remote units adjust transmission power to a level...
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6704560 |
Low-voltage transconductance amplifier/filters
Wireless communications devices must handle a wide range of useful signal levels and must also cope with large interfering signals of nearby frequencies. They often use transconductance...
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6703872 |
High speed, high common mode range, low delay comparator input stage
The comparator input stage uses low voltage transistors 20 and 21 as the input pair. They have a small threshold voltage, and hence support a low common mode. The circuit includes a current...
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6662304 |
Method and apparatus for bit-to-bit timing correction of a high speed memory bus
A synchronization circuit performs bit-to-bit timing correction of respective digital signals in digital signal packets applied to a packetized memory device. Each digital signal packet includes a...
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6647523 |
Method for generating expect data from a captured bit pattern, and memory device using same
Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the applied data signals were properly captured. A first group of the...
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6643789 |
Computer system having memory device with adjustable data clocking using pass gates
A circuit for adjusting a time when data is delivered to a data terminal with respect to an external clock signal includes a data passing circuit and a delay adjusting circuit. The delay adjusting...
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6583661 |
Compensation mechanism for compensating bias levels of an operation circuit in response to supply voltage changes
A compensation circuit is disclosed for compensating bias levels of an operational circuit in response to variations in a supply voltage. The compensation mechanism identifies variations in the...
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6573779 |
Duty cycle integrator with tracking common mode feedback control
Disclosed herein is a process-tracking clock duty cycle integrator. Common mode feedback is used to set a common mode output voltage that varies with the voltage threshold of MOS elements that...
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6552580 |
Bias technique for operating point control in multistage circuits
A multistage analog circuit for independently controlling a bias current in each stage of the multistage analog circuit having an input stage, an intermediate stage, and an output stage, includes a...
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6499111 |
Apparatus for adjusting delay of a clock signal relative to a data signal
A circuit for adjusting a time when data is delivered to a data terminal with respect to an external clock signal includes a data passing circuit and a delay adjusting circuit. The delay adjusting...
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6490224 |
Delay-locked loop with binary-coupled capacitor
A delay-locked loop incorporates binary-coupled capacitors in a capacitor bank to produce a variable capacitance along a delay line. The variable capacitance allows a delay of the variable delay...
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6490207 |
Delay-locked loop with binary-coupled capacitor
A delay-locked loop incorporates binary-coupled capacitors in a capacitor bank to produce a variable capacitance along a delay line. The variable capacitance allows a delay of the variable delay...
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6483757 |
Delay-locked loop with binary-coupled capacitor
A delay-locked loop incorporates binary-coupled capacitors in a capacitor bank to produce a variable capacitance along a delay line. The variable capacitance allows a delay of the variable delay...
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6477675 |
Method and apparatus for generating expect data from a captured bit pattern, and memory device using same
Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data...
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6469548 |
Output buffer crossing point compensation
A circuit comprising a current source, a first amplifier, and a second amplifier. The circuit may be used to provide for crossing point compensation of a CMOS driver as a function of a supply...
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6437600 |
Adjustable output driver circuit
An adjustable integrated circuit output driver circuit is described which has a push-pull output circuit comprised of a pullup and pulldown transistor. A series of parallel transistors are...
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6430696 |
Method and apparatus for high speed data capture utilizing bit-to-bit timing correction, and memory device using same
A bus capture circuit captures digital signals applied on respective lines of a bus. The bus capture circuit includes a clock delay circuit that generates an internal clock signal responsive to an...
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6429733 |
Filter with controlled offsets for active filter selectivity and DC offset control
A filter is disclosed that actively controls one or more filter characteristics, such as the cut-off frequency of a selected filter pole, while minimizing the value of selected filter components...
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6411159 |
Circuit for controlling current levels in differential logic circuitry
A method and circuit are disclosed for controlling the current level of a differential logic circuit having a current source, input transistors which perform current steering based upon the input...
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6400641 |
Delay-locked loop with binary-coupled capacitor
A delay-locked loop incorporates binary-coupled capacitors in a capacitor bank to produce a variable capacitance along a delay line. The variable capacitance allows a delay of the variable delay...
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