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Integrated circuit with JTAG port, TAP linking module, and off-chip TAP
An IC includes an IEEE 1149.1 standard test access port (TAP) interface and an additional Off-Chip TAP interface. The Off-Chip TAP interface connects to the TAP...
System and method for security association between communication devices
within a wireless personal and local...
The present application describes a method and system for discovering and authenticating communication devices within a wireless network. According to an...
Method of transmitting serial bit-stream and electronic transmitter for
transmitting a serial bit-stream
The present invention relates to an electronic transmitter for serially transmitting bit sequences. The electronic transmitter includes a detection device 10 and...
Pilot design and channel estimation
Embodiments of the invention provide method and apparatus for generating a structure in an orthogonal frequency division multiplexing OFDM communication system...
Memory cell having improved write stability
A method is provided for writing to a memory cell having a read access circuit that is separate and isolatable from a write access circuit. The method comprises...
Apparatus and methods for adjusting the rotational frequency of a scanning
The present invention provides methods and apparatus for adjusting the resonant frequency, scan velocity or other parameters of a pivotally functional surface...
CMOS power switching circuit usable in DC-DC converter
A power switching circuit in CMOS technology has a power MOS transistor and a driver stage. The power MOS transistor is operated at a higher supply voltage in...
Parallel scan distributors and collectors and process of testing
An integrated circuit (70) having parallel scan paths (824-842, 924-942) includes a pair or pairs of scan distributor (800,900) and scan collector (844,944)...
Low power testing of very large circuits
Plural scan test paths (401) are provided to reduce power consumed during testing such as combinational logic (101). A state machine (408) operates according to...
Scan testing using scan frames with embedded commands
Testing of integrated circuits is achieved by a test architecture utilizing a scan frame input shift register, a scan frame output shift register, a test...
Propagation test strobe circuitry with boundary scan circuitry
A Propagation Test instruction, a Decay Test instruction and a Cycle Test instruction provide testing of DC and AC interconnect circuits between circuits...
Position independent testing of circuits
Scan distributor, collector, and controller circuitry connect to the functional inputs and outputs of core circuitry on integrated circuits to provide testing...
Scan frame based test access mechanisms
Testing of an electrical device is achieved by providing a test access mechanism within the device that can receive scan frames from an external tester. The...
Wireless communications system with secondary synchronization code based
on values in primary synchronization code
A wireless communication system. The system comprises transmitter circuitry (BST1), the transmitter circuitry comprising encoder circuitry (50) for transmitting...
Electronic fuse system and methods
An electronic fuse system and method are disclosed employing a fuse ROM having one or more blocks of memory. Each block of memory comprises a plurality of words...
Power efficient dynamically biased buffer for low drop out regulators
The buffer circuit includes a first transistor MP1 having a first end coupled to an output node N2 and a control node coupled to an input node N1; a second...
IC with comparator receiving expected and mask data from pads
Test circuits located on semiconductor die enable a tester to test a plurality of die/ICs in parallel by inputting both stimulus and response patterns to the...
In-situ co-deposition of Si in diffusion barrier material depositions with
improved wettability, barrier...
A copper interconnect having a transition metal-silicon-nitride barrier (106). A transition metal-nitride is co-deposited with Si by reactive sputtering in a Si...
Microstructure sealing tool and methods of using the same
A method of packing electronic devices and an apparatus thereof are disclosed herein. The method allows for usage of solder materials with a melting temperature...
Double density method for wirebond interconnect
A method, comprising bonding a first wire to a single die bond pad to form a first bond, bonding the first wire to a bond post to form a second bond, bonding a...
Advanced CMOS using super steep retrograde wells
The present invention is a method for forming super steep doping profiles in MOS transistor structures. The method comprises forming a carbon containing layer...
Methods for depositing, releasing and packaging micro-electromechanical
devices on wafer substrates
A method for forming a MEMS device is disclosed, where a final release step is performed just prior to a wafer bonding step to protect the MEMS device from...
Yokeless hidden hinge digital micromirror device
A micromirror array 110 fabricated on a semiconductor substrate 11. The array 110 is comprised of three operating layers 12, 13, 14. An addressing layer 12 is...
Memory system with memory controller and board comprising a digital buffer
wherein input/output data and clock...
A digital registered data buffer is disclosed that has data paths each with a data input for receiving a digital data input signal (Dn), a clock input for...
File system for storing multiple files as a single compressed file
A file archive system for storing multiple files and directories as a single file. The file archive system could be used on a hand-held computer or other...
Color filter array and method
Color filter array demosaicing as is useful in digital cameras, still and video, using a single sensor includes blending of directional and non-directional...
Reconstruction excitation with LPC parameters and long term prediction
A media over packet networking appliance provides a network interface, a voice transducer, and at least one integrated circuit assembly coupling the voice...
Method and system for determining characteristics of optical signals on
spatial light modulator surfaces
The present application describes a system and method for determining characteristics (e.g., exact band location, orientation and height and the spot shape and...
Amplifier with programmable input impedance
One embodiment of the invention includes an amplifier system. The amplifier system comprises an amplifier stage configured to receive an input signal at an...
Slave latch controlled retention flop with lower leakage and higher
In a method and apparatus for data retention, a first latch latches a data input and a second latch that is coupled to the first latch retains the data input...
High efficiency power converter operating free of an audible frequency
A DC-DC converter operates outside of an audible frequency range under light current load conditions with reduced switching frequency by reducing supply current...
On-chip compensation for a fully differential voice coil motor control
A disk drive controller including a differential voice coil motor control function is disclosed. The differential voice coil motor control function includes an...
Micromechanical device fabrication
A method of fabricating a micromechanical device. Several of the micromechanical devices are fabricated 20 on a common wafer. After the devices are fabricated,...
Projection system and method including spatial light modulator and compact
A method and apparatus for a projection display system includes a spatial light modulator and a volume illumination hologram. The spatial light modulator...
Digital design component with scan clock generation
A master and a slave stage of a flip-flop are each separately clocked with non-overlapping clock signals during scan mode to eliminate a data input scan mode...
Fuse farm redundancy method and system
A system and method for making efficient use of fuse ROM redundancy to increase yield and security. Some embodiments provide a memory repair system including a...
Automatic selective retest for multi-site testers
A method of multi-site testing a batch of semiconductor units using a multi-site automated tester (100). The tester (300) includes a handler (320) coupled to a...
Feedback and scheduling schemes for a communications system
The present invention provides a transmitter. In one embodiment, the transmitter includes a coefficient circuit configured to generate coefficients of a set of...
Time base correction in video systems
System and method for digitally correcting time base errors in video display systems. A preferred embodiment comprises 1) correcting time base errors in a first...
Motion stabilization in video frames using motion vectors and reliability
Stabilization for devices such as hand-held camcorders segments a low-resolution frame into a region of reliable estimation, finds a global motion vector for the...
Methods and apparatus to reduce substrate voltage bounces and spike
voltages in switching amplifiers
Methods and apparatus to reduce voltage bounces and spike voltages in switching amplifiers are disclosed. An example apparatus to reduce spike voltages in a...
Back gate biasing overshoot and undershoot protection circuitry
The signal switch has flat resistance across the input/output voltage range when in the ON state while still isolating input/output nodes from overshoots and...
Reducing mission signal output delay in IC having mission and test modes
An integrated circuit apparatus includes a switching circuit that provides respective signal paths to permit a mission signal, a test signal, and a boundary scan...
Low-power pulse-width-modulated retract of disk drive actuator
A disk drive system including retract logic for control of the voice coil motor in a retract operation, in which the voice coil motor positions the read/write...
Highly efficient series string LED driver with individual LED control
A current source generates, with high efficiency, a current that is substantially constant over a wide range of output voltages. This current is injected into...
Method and circuit for cross regulation in a power converter
A power equalization circuit in a transformer-based device having a plurality of isolated voltage outputs is provided. The circuit comprises: a threshold...
Process for precision placement of integrated circuit overcoat material
The present invention provides a process for manufacturing an integrated circuit (IC) package and an integrated circuit (IC) package. The process, without...
Systems and methods for temperature measurement using n-factor coefficient
Various systems and methods for temperature measurement are disclosed. For example, some embodiments of the present invention provide temperature measurement...
Event-driven test framework
A modular instance-aware event-driven test framework is described. It includes an event-driven test framework, a transition-graph test model for the event-driven...
Active removal of aliasing frequencies in a decimating structure by
changing a decimation ratio in time and space
When a sample stream is decimated, frequency components from outside of a desired frequency band are aliased into the desired band, causing interference and loss...