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Document Title |
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US20050060676 |
Semiconductor integrated circuit and method for designing same
The present invention provides a semiconductor integrated circuit in which timing error is not likely to occur even if there is manufacturing variability. Logic cells 16 and 17, which are included... |
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US20070008011 |
Distributed power and clock management in a computerized system
A computer circuit includes a plurality of digital logic circuits, each having a locally regulated voltage supply and a clock. The clock and locally regulated voltage supply of each of the... |
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US20100001762 |
DOMAIN CROSSING CIRCUIT AND METHOD
A domain crossing circuit for reducing current consumption includes an internal counter to count an internal clock in response to the release of a reset signal, outputting an internal code, a... |
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US20110285421 |
SYNCHRONOUS LOGIC SYSTEM SECURED AGAINST SIDE-CHANNEL ATTACK
An improvement in the security of a logic system from attacks that observable features such as the power supply or electromagnetic radiation, so called, “side-channel attacks”. Specifically, the... |
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US20110299346 |
APPARATUS FOR SOURCE-SYNCHRONOUS INFORMATION TRANSFER AND ASSOCIATED METHODS
An apparatus includes an interface circuit coupled to an electronic device. The interface circuit provides source synchronous communication with the electronic device using a strobe signal. The... |
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US20130181742 |
METHOD AND APPARATUS TO SERIALIZE PARALLEL DATA INPUT VALUES
A method includes applying a clock signal having an uneven duty cycle to a control input of at least one selection element of a selection circuit having a tree structure that includes multiple... |
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US20070146011 |
Duty cycle adjustment
Disclosed herein are duty cycle adjustment circuits to control the duty cycle in a clock signal. In some embodiments, a circuit is provided comprising a clock driver to drive a differential clock... |
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US20110099407 |
Apparatus for High Speed Data Multiplexing in a Processor
A processer, for example a field programmable gate array (FPGA), comprises input/output (I/O) logic including timing adjustment logic operative to synchronize a time division multiplexed (TDM)... |
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US20080028343 |
SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF DESIGNING THE SAME
A semiconductor integrated circuit comprising: a clock gating cell to which an enable signal and a clock signal are input, so as to output a gated clock signal generated by output-controlling said... |
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US20080204080 |
Mobile circuit robust against input voltage change
An inverting flip-flop (F/F) circuit type monostable-bistable transition logic element (MOBILE) circuit that uses resonant tunneling diodes (RTDs) and can prevent a malfunction caused by low... |
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US20130086444 |
ERROR DETECTION CODE ENHANCED SELF-TIMED/ASYNCHRONOUS NANOELECTRONIC CIRCUITS
Provided is a system including a group of error-detecting/correcting-code self-checked/self-timed/self-corrected circuits for logic robust and performance scalable nanoelectronic design,... |
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US20100244901 |
CLOCK SWITCHING CIRCUIT, INTEGRATED CIRCUIT DEVICE AND ELECTRONIC APPARATUS
A clock switching circuit includes: a selector that selects one of a plurality of clocks based on a select signal and outputs the clock selected as a selected clock; a mask circuit that masks the... |
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US20100079168 |
SEMICONDUCTOR INTEGRATED CIRCUIT AND LAYOUT METHOD
A semiconductor integrated circuit has a scan chain with a scan clock signal line for clocking scan flip-flops and a scan test signal line for transferring scanning data into and out of the scan... |
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US20070018688 |
Digital Logic Unit
The invention provides a digital logic driven by a master clock signal and includes logic circuitry with processing stages capable of performing logic operations within a fraction of the period of... |
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US20090212818 |
Integrated circuit design method for improved testability
An integrated circuit design method includes: classifying flipflops arranged around a macro based on a netlist of a integrated circuit incorporating the flipflops and the macro; and generating a... |
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US20050040856 |
Domino circuitry compatible static latch
A circuit provides latched data in a domino circuit environment. The circuit receives a pair of input signals that are either in complementary logic states, which is data, or in the same logic... |
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US20150341032 |
LOCALLY ASYNCHRONOUS LOGIC CIRCUIT AND METHOD THEREFOR
A locally asynchronous logic circuit includes an input latch; a synchronous-to-asynchronous control circuit having an input for receiving a first clock signal, a first output coupled to the latch... |
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US20070247195 |
LOW OUTPUT-TO-OUTPUT SKEW/LOW JITTER STAGGERED OUTPUT BUFFER
A system and method for generating multiple current steered output signals at a centralized location and subsequently routing them to their respective output pads is shown and described. The... |
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US20060044016 |
Integrated circuit with signal skew adjusting cell selected from cell library
An integrated circuit comprises digital circuitry having at least one digital logic cell and at least one skew adjusting cell. The skew adjusting cell is configured to adjust the skew of a signal... |
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US20080066043 |
METHOD AND SYSTEM FOR CLOCK TREE GENERATION
A method for generating a clock tree between a clock source and a plurality of logic units is disclosed. The logic units are defined to operate according to a clock signal generated from the clock... |
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US20080054945 |
Method and apparatus for loss-of-clock detection
Methods and apparatus are provided for loss-of-clock detection. A loss of a clock signal is detected by delaying the clock signal using one or more delay elements; and applying an output of the... |
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US20120032703 |
PULSE-SHRINKING DELAY LINE BASED ON FEED FORWARD
A shrinking-pulse digital delay line (400) has a cascade of a plurality of stages (102,104) for modifying a width of a pulse propagating down the cascade (106 to 118). Each specific one of the... |
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US20080309373 |
INTEGRATED CIRCUIT DEVICE AND ELECTRONIC INSTRUMENT
An integrated circuit device includes a clock signal supply control circuit that controls a timing when a master clock signal output from an oscillation circuit is supplied to an internal circuit... |
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US20130002297 |
BIAS TEMPERATURE INSTABILITY-RESISTANT CIRCUITS
A Bias Temperature Instability- (BTI-) resistance circuit is arranged to propagate a received clock signal through a clock tree. The state of the clock signal is inverted at a midpoint of the... |
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US20120068736 |
DESIGN APPARATUS, DESIGN METHOD AND SEMICONDUCTOR INTEGRATED CIRCUIT
A design apparatus according to the present embodiment includes a scheduling section, a group ID assigning section, a transition violation detecting section and a state inserting section. The... |
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US20090108875 |
Structure for a Limited Switch Dynamic Logic Cell Based Register
A design structure for a circuit that has a limited switch dynamic logic gate having a front end logic circuit and a latch. The output of the front end logic circuit is connected to an input of... |
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US20080297207 |
DOUBLE DATA RATE TRANSMITTER AND CLOCK CONVERTER CIRCUIT THEREOF
A double data rate (DDR) transmitter and a clock converter circuit are provided. The clock converter circuit includes a first logic circuit and a second logic circuit. The first logic circuit... |
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US20070229115 |
Method and apparatus for correcting duty cycle error in a clock distribution network
A clock distribution network for distributing a repetitive timing signal throughout an integrated circuit, the timing signal being within a range of frequencies about a first frequency, includes... |
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US20090002032 |
DATA SYNCHRONIZER
A data synchronizer is to avoid the pulse width constraint on the data while synchronizing the data between two devices operating at different clock rates. The data synchronizer may comprise one... |