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Patent # Description
US-6,822,482 Dynamic scan circuitry for B-phase
A first dynamic logic circuit has an output node on which a scan value is provided during scan. One of one or more second dynamic logic circuits has an input...
US-6,822,439 Control of tristate buses during scan test
A system, method, and apparatus for controlling tri-state drivers are presented herein. During scan testing, a decoder controls the tri-state drivers and...
US-6,819,915 Applications of a differential latch
A differential latch includes a sample transistor section, a hold transistor section, a 1.sup.st gating circuit and a 2.sup.nd gating circuit. The sample...
US-6,819,910 Radio employing a self calibrating transmitter with reuse of receiver circuitry
A radio includes a self-calibrating transmitter that uses a portion of a receiver section to perform self-calibration. Accordingly, the radio includes a...
US-6,819,709 Startup protocol for high throughput communications system
A startup protocol is provided for use in a communications system having a plurality of transceivers, one transceiver acting as a master and another transceiver...
US-6,819,682 System and method for the synchronization and distribution of telephony timing information in a cable modem network
A method for synchronizing clocks in a packet transport network. The method comprises, receiving an external network clock at a central packet network node and...
US-6,819,331 Method and apparatus for updating a color look-up table
Aspects of the invention may include a method updating a color look-up table (CLUT) for a next line of graphics before a current line of graphics has been...
US-6,819,330 Graphics display System with color look-up table loading mechanism
A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video...
US-6,819,199 Balun transformer with means for reducing a physical dimension thereof
The invention is a balun transformer that converts a single-ended (or unbalanced) signal to a differential (or balanced) signal. The balun is a printed metal...
US-6,819,193 Method and circuitry for implementing a differentially tuned varactor-inductor oscillator
The present invention generally relates to voltage-controlled oscillators. More specifically, the present invention relates to method and circuitry for...
US-6,816,987 Apparatus and method for built-in self-test of a data communications system
The present invention comprises an apparatus and corresponding method for performing a built-in self-test (BIST) of a data communications system. The apparatus...
US-6,816,959 Memory access system
A memory access system is described which generates two memory addresses from a single memory access instruction which identifies a register holding at least two...
US-6,816,932 Bus precharge during a phase of a clock signal to eliminate idle clock cycle
A system includes a bus and a circuit for precharging the bus. The circuit may be coupled to receive a clock signal associated with the bus, and may be...
US-6,816,918 Flexible apparatus for setting configurations using an EEPROM
A method for flexibly configuring default values of a network device through an EEPROM interface is disclosed. A header is received from an EEPROM through the...
US-6,816,716 Radio frequency control for communication systems
A system and operation of the system for improvement of transmitter and receiver frequency accuracy for a local radio communication unit that communicates...
US-6,816,412 Non-volatile memory cell techniques
A non-volatile memory cell (10) includes a charge-storing node (16). An electrically insulating first layer (76) is coupled between the node and a source of a...
US-6,816,097 System and method for performing digital-to-analog conversion using a sigma-delta modulator
The present invention is directed to a sigma-delta digital to analog converted (DAC) including a digital-sigma delta modulator, a decimation filter, and a...
US-6,815,995 Delay circuit and method with delay relatively independent of process, voltage, and temperature variations
Methods and systems for controlling delay relatively independent of process, supply-voltage, and/or temperature ("PVT") variations include sensing an output...
US-6,813,620 Binary search engine and method
A network device including a memory, a queue management unit, a memory management unit, and a search switching unit. The memory includes a plurality of memory...
US-6,813,268 Stacked network switch configuration
A method of handling packets includes inserting a stack-specific tag into a packet, then processing the packet in a stack of network switches in accordance with...
US-6,812,876 System and method for spectral shaping of dither signals
An improved dither generation circuit and method for digital audio circuits generates pseudo-random numbers that are then interpreted as 2's complement numbers...
US-6,812,779 Biasing scheme for supply headroom applications
Methods and apparatus for improving the current matching within current mirror circuits in applications such as low voltage integrated circuits. Embodiments of...
US-6,812,544 Integrated circuit having oversized components
An integrated circuit includes electrical components that include one or more electrical elements on one or more dielectric layers. The electrical element has a...
US-6,810,037 Apparatus and method for sorted table binary search acceleration
A method for searching a table in a network switch includes the steps of dividing a primary lookup table into a first sub table and a second sub-table, searching...
US-6,809,971 Diffusion replica delay circuit method
A method of implementing a diffusion replica delay circuit is provided in a device with a device capacitance and operational characteristics. A diffusion replica...
US-6,809,945 Content addressable memory match line sensing techniques
A content addressable memory (10) comprising a group of content addressable cells (20) and a group of corresponding match switches (30) coupled by a first match...
US-6,809,672 Low power, high SNR, high order delta sigma modulator stage having integrators with pipelined cross coupled...
In a high order delta sigma modulator stage having integrators with pipelined cross coupled input circuits, the processing delay between an upstream integrator...
US-6,809,667 Analog to digital converter
A circuit is provided for reducing mismatches between the outputs of successive pairs of cells in an analog to digital converter. A voltage input means is...
US-6,809,623 High Q on-chip inductor
A high Q on-chip inductor includes a primary winding and an auxiliary winding that is coupled to receive a proportionally opposite representation of an input of...
US-6,809,581 Integrated circuit low noise amplifier and applications thereof
An integrated low noise amplifier includes an on-chip balun, a line impedance matching circuit and an on-chip differential amplifier. The on-chip balun is...
US-6,809,547 Multi-function interface and applications thereof
A multi-function interface includes a digital interface module, a configurable driver module, and a configurable output impedance module. The digital interface...
US-6,807,228 Dynamic regulation of power consumption of a high-speed communication system
A method for dynamically regulating the power consumption of a high-speed integrated circuit which includes a multiplicity of processing blocks. A first metric...
US-6,806,787 Varactor folding technique for phase noise reduction in electronic oscillators
A varactor folding technique reduces noise in controllable electronic oscillators through the use of a series of varactors having relatively small capacitance. A...
US-6,804,772 Dynamic field patchable microarchitecture
A microprocessor memory architecture including a read-only memory (ROM) with programmed microcode and a random access memory (RAM) capable of storing microcode...
US-6,804,503 Communication device with a self-calibrating sleep timer
The present invention provides for a system for operating a communication device (20) for reception of scheduled intermittent information messages (22) with a...
US-6,804,304 Reduction of aggregate EMI emissions of multiple transmitters
A power efficient and reduced electromagnetic interference (EMI) emissions multi-transmitter system for unshielded twisted pair (UTP) data communication...
US-6,804,251 System and method for multiplexing data from multiple sources
A multi-source data multiplexing system that accepts information packets from a plurality of signal sources, evaluates the relative efficiencies of data...
US-6,804,194 Network switching architecture utilizing cell based and packet based per class-of-service head-of-line blocking...
A network switch for network communications includes a first data port interface which supports a plurality of data ports which transmit and receive data at a...
US-6,803,829 Integrated VCO having an improved tuning range over process and temperature variations
An integrated VCO having an improved tuning range over process and temperature variations. There is therefore provided in a present embodiment of the invention...
US-6,803,828 Lock detector for phase locked loops
A detector circuit for determining whether synchronization lock has been optimally achieved in feedback-type control systems. The detector circuit evaluates an...
US-6,803,306 High density metal capacitor using via etch stopping layer as field dielectric in dual-damascence interconnect...
A metal-insulator-metal (MIM) capacitor is made according to a copper dual-damascene process. A first copper or copper alloy metal layer if formed on a...
US-6,801,761 Programmable mixer and radio applications thereof
A programmable mixer includes a 1.sup.st mixing stage, a 2.sup.nd mixing stage, a coupling element, and a compensation module. The 1.sup.st mixing stage is...
US-6,801,577 Low voltage swing pad driver and receiver
A transmitter portion and a receiver portion are implemented within various devices that communicate using low voltage swing pads communicatively coupled via a...
US-6,801,114 Integrated radio having on-chip transformer balun
A transformer balun is obtained that is symmetrical in structure, provides high current, or high voltage, amplification and has high coupling coefficients while...
US-6,801,092 Phase locked loop that avoids false locking
A phase locked loop includes a difference detector, a loop filter, a controlled oscillation module, and a frequency translation module. The difference detector...
US-6,801,085 System and method for activating gain stages in an amplification module
A system is provided for activating gain stages in an amplification module. The system includes an amplification module including a first group of amplifiers....
US-6,798,854 System and method for canceling interference in a communication system
A filter settings generation operation includes sampling a communication channel to produce a sampled signal. The sampled signal is spectrally characterized...
US-6,798,684 Methods and systems for programmable memory using silicided poly-silicon fuses
The present invention is directed to methods and systems for evaluating one-time programmable memory cells. A threshold current is applied to a resistive...
US-6,798,420 Video and graphics system with a single-port RAM
A video and graphics system has an input for receiving compressed video data and an input for receiving graphics data. The compressed video data may include HDTV...
US-6,798,304 Apparatus and method for reducing phase noise in oscillator circuits
A resonant oscillator circuit includes an active device and a resonator that causes the active device to oscillate at a resonant frequency of the resonator. The...
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