Matches 1 - 43 out of 43
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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...
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...
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...
7358783 Voltage, temperature, and process independent programmable phase shift for PLL  
A circuit provides a programmable phase shift feature, where the phase shift is programmably selectable by a user. This circuitry may be incorporated in a programmable logic device (PLD) or field...
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...
7227921 Phase-locked loop (PLL) circuit for selectively correcting clock skew in different modes  
A phase-locked loop (PLL) circuit includes multiple selectable feedback paths and a mode selector for selecting different feedback paths in different operating modes. The PLL circuit may correct...
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....
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...
7109765 Programmable phase shift circuitry  
A circuit provides a programmable phase shift feature, where the phase shift is programmably selectable by a user. This circuitry may be incorporated in a programmable logic device (PLD) or field...
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...
7031675 FM transmitter  
An FM transmitter that can control start/idle of each of such devices as a buffer amplifier without using a sample-and-hold circuit for moving a PLL into open loop control, wherein a controller...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6378079 Computer system having memory device with adjustable data clocking  
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...
6374360 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...
6349399 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 these applied data signals have been properly captured. A first group of the...
6340904 Method and apparatus for generating an internal clock signal that is synchronized to an external clock signal  
A clock generator circuit for an integrated circuit includes a phase detector comparing the phase of a delayed external clock signal to the phase of an internal clock signal. An error signal...
6338127 Method and apparatus for resynchronizing a plurality of clock signals used to latch respective digital signals, and memory device using same  
A system adaptively adjusts the phases of a plurality of internal clock signals, each respective internal clock signal causing a corresponding latch to store a digital signal responsive to the...
6327196 Synchronous memory device having an adjustable data clocking circuit  
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...
EP1137187A2 Phase locked loop  
A phase locked loop circuit for eliminating loop latency includes an input circuit for inputting a phase signal corresponding to phase changes and an actual phase signal corresponding to actual...
6279090 Method and apparatus for resynchronizing a plurality of clock signals used in latching respective digital signals applied to a packetized memory device  
A system adaptively adjusts the phases of a plurality of internal clock signals, each respective internal clock signal causing a corresponding latch to store a digital signal responsive to the...
6269451 Method and apparatus for adjusting data timing by delaying clock 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...
6262921 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...
6256259 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...
6119242 Synchronous clock generator including a false lock detector  
A false lock detector for use in conjunction with a locked loop which produces a plurality of output signals in response to a clock signal is comprised of a logic circuit for receiving first and...
6014048 Clock generator with multiple feedback paths including a delay locked loop path  
The present invention encompasses the use of multiple feedback paths in a clock source for an integrated circuit device to maintain phase lock to an external clock. It is further contemplated by...
EP0942553A2 Oversampling type clock recovery circuit with power consumption reduced  
An over-sampling type clock recovery circuit includes a phase difference detecting section (TIPD, CP, LFP), a phase adjusting section (VCO, VD, FD) and a signal selecting section (LDEC, SW). The...
EP0942552A2 Over-sampling type clock recovery circuit with power consumption reduced  
An over-sampling type clock recovery circuit includes a phase difference detecting section (TIPD, CP, LFP), a phase adjusting section (VCO, VD, FD) and a signal selecting section (LDEC, SW). The...
Matches 1 - 43 out of 43