Digital Circuit Testing TRIZ Cases

A display device uses master and slave signal controllers to diagnose electrical connections between the panel unit and input unit.

Universal reset control segments global and individual signals to reduce test operation time without increasing device complexity.

A voltage limiting circuit detects threshold voltages across current sense resistors to shunt excess current and protect sensitive measurement components.

An adaptor connects testers to CPU sockets to assess system channel signal transfer characteristics.

A probe card with coaxial connectors and pogo pins enables simultaneous digital and photonic pin testing.

Constant current charging converts time intervals into proportional voltage, eliminating high-frequency clock requirements and reducing power consumption.

JTAG multiplexers route tests across cores, reducing pin count while ensuring reliable memory self-diagnosis.

A regression suite apparatus selects test subsets using a functional block dependency knowledge graph.

Reference scan chain test data generation reproduces faulty behavior on faultless devices, enabling accurate fault localization without additional hardware.

A system detects outlier devices using modified binning limits derived from external test results data.

Segmented clock domains allow device under test circuits to operate during low power mode without increasing overall system energy consumption.

A built-in self-test mechanism for interface chips uses a loopback circuit to verify functionality.

A removable printed circuit board extracts signals between a device under test and automatic test equipment using an extracting circuit.

Collector sticky latches track slave controller states to prevent improper transitions and reduce test duration.

A panelized printed circuit board characterization vehicle uses segmented test circuits with distinct design parameters to evaluate manufacturing process sensitivity.

A computer device allocates test quantities to multiple cores using capacitance-based ranking for balanced workload distribution.

Test logic circuitry verifies probe contact at external terminals to eliminate false failures from needle misalignment.

A JTAG TAP apparatus routes shifted-in data to memory and returns read-back data for host comparison.

Downstream memory devices invert loopback signals to maintain integrity across daisy chains.

A frequency-domain channel compliance model compares insertion loss and signal-to-crosstalk ratio parameters against pre-defined boundary sets.

Multiplexors isolate scan-flop segments to reduce toggling activity and power draw while maintaining fault coverage.

A debug port controller blocks communication paths until an external device presents a matching authentication code.

Micro pad structures on unit cell arrays divide complex layouts to reduce fault detection difficulty in high-density 3D IC designs.

A sensor system detects pulse width tampering using a charge storage device and readout circuit to measure voltage changes.

Segmented logic units with flip flops store voltage states to enable rapid restoration while suppressing aging deterioration in non-volatile memory.

A debug protection circuit manages communication between a debug controller and a chip under test.

An on-chip test controller reduces testing complexity by automating sequences across multiple IP blocks, eliminating manual engineering overhead.

Diagnoses mis-compares via cone-of-influence tracing to reduce tedious manual debugging time.

A test device uses two mixers with a fixed phase shifter to measure signal phase noise without tunable components.

Constructs structured data models from instrument specifications and test procedures to determine compatibility conditions.

A jitter meter device accumulates phase error in a capacitive element to determine voltage levels for digital conversion.

A diagnosis circuit restores data from retention flip-flops and compares output strings to verify operational integrity.

A debug bus steering module routes signals along a daisy chain path to an end block during power gating cycles.

An integrated control interface adapts to multiple standards for direct device under test management via MDIO signals.

A test circuit with a configuration register specifies differing clock sources for dynamic and static paths to enable at-speed testing.

A chip package uses signal transmission lines with resistance greater than equivalent base copper resistance to dampen oscillations.

Segmenting regulation into pre- and post-stages reduces power dissipation while maintaining high measurement precision.

A hierarchical communication chain structure manages test signals across multiple clock and power domains using specialized chain bridges.

Wireless threshold adjustment eliminates excessive triggering in high-voltage settings while inductive charging maintains a sealed housing.

A dual-device testing system transmits signals through a stream facing-port to evaluate device under test status.

Compresses test response patterns via bit-reduction to train machine learning models, reducing input vector size while maintaining diagnostic accuracy.

A re-configurable test circuit interfaces with devices under test using a programmable logic device and adjustable timing signals.

General form files standardize interface settings and command definitions, reducing development time for multi-instrument circuit testing.

Filters between driver stages reduce jitter, improving automatic test equipment signal quality and measurement accuracy.

A control unit detects idle conditions within functional units to trigger autonomous scan testing sequences.

A logic analyzer controller merges signal capture with active circuit control to eliminate iterative re-synthesis delays during FPGA debugging.

An extended Joint Test Action Group controller integrates an overall reset generator to manage digital unit resets within integrated circuits.