Digital Circuit Testing TRIZ Cases

Clock gating circuits mask scan clock signals based on test mode bits, resolving pin sharing conflicts and boosting testing efficiency.

An embedded logic analyzer uses a programmable interconnect module to select and sample signals from integrated circuit buses.

Design mutations in synchronization circuitry test CDC signal paths to resolve inadequate coverage of clock-domain-crossing verification.

A self-contained built-in self-test circuit uses a phase rotator to shift clock signals and generate binary test sequences within high-speed receivers.

A greedy routing strategy minimizes address transitions during memory built-in self-test to ensure full decoder line coverage.

Dynamic FPGA reconfiguration compensates for phase jitter and noise in high-speed buses, maintaining signal integrity at speeds exceeding 1 Gbps.

A voltage boost-storage unit transforms original output into testing voltage for power supply over voltage protection verification.

Segmenting activation paths by agreement rate allows analysts to investigate lower-accuracy regions efficiently without sacrificing primary candidate precision.

Granular dynamic test system segments chip into independent partitions to resolve trade-off between high testing coverage and excessive test time.

Centralized orchestration eliminates manual data exchange between devices by dynamically scheduling tests based on availability and priority.

A clock control component dynamically modulates frequency during parallel self-test execution to optimize performance.

Clock gating blocks signals to scan flip-flops while a single multiplexer transmits cell function inputs, resolving isolation delays.

Detect I/O pin states by transmitting human body electrostatic charges to an oscilloscope probe and observing waveform changes.

A comparison circuit evaluates test output patterns against signature patterns within an integrated circuit package.

Embedded test controller reuses existing I/O pins for scan chain access, eliminating dedicated test pin requirements.

A semiconductor test entry control block generates trigger signals and a reset signal to enable a test entry signal.

An MBIST controller injects errors into memory data to validate diagnostic software functionality.

An on-chip address range comparator detects multi-size memory accesses to improve debug visibility while reducing system complexity.

A universal multi-function test apparatus consolidates multiple test modules into a single integrated platform for portable device analysis.

A translational filter generates high-frequency testing signals internally using a mixer and oscillation generator.

Digitizers in the interface extend ATE lifespan by reducing costly hardware replacements.

Nitrogen-vacancy diamond sensors and electromagnetic probes identify hidden malicious circuitry without destructive disassembly.

A feedback shift-register uses segmented controllable cells with multiplexers to route test values for efficient built-in self-testing.

A semiconductor module generates identification pattern signals through device pins to verify pin connection configurations.

Calibration board stores skew data enabling main board to adjust signal delays and reduce testing time.

A test apparatus generates corrected DFTs to suppress invalid content from fast-settling local oscillators.

An irreversible switch prevents post-test reuse by disabling normal operation, allowing only verified diagnostic software to execute during failure analysis.

A parallelized trace-data processing device distributes streams across multiple message-processing stages to reconstruct program execution flow.

Feedforward control adjusts power supply voltage based on operating current, maintaining stability while reducing power consumption.

A debugging system uses optical transmission to send data signals without physical cables.

An MBIST controller generates test vectors for memory and ECC logic to enable parallel diagnostic coverage.

A clock synchronization circuit adjusts frequency and phase to align sampling signals across multiple oscillators.

A programmable memory built-in self-test system uses JTAG and direct access controllers to execute user-defined test algorithms.

Direct memory die testing via an isolation pin bypasses the controller, reducing test pin count and time.

A Trusted Diagnostic Module authenticates external devices to provide read and write access to processor memory via shared communication interfaces.

Encoding power leakage measurements via random linear combinations reduces data output volume while maintaining hardware Trojan detection accuracy.

A two-signal test interface uses simultaneously bidirectional transceiver circuitry to communicate IEEE 1149.1 signals between a tester and die on wafer.

Merging test wrapper cells with power isolation logic reduces area overhead and timing delays on I/O paths while maintaining reliable test mode isolation.

Segmenting scan chains by pad speed and using an accumulator buffer reduces total scan-shift time without overloading slow Scan-OUT pads.

A reconfigurable block generates a dynamic key to encrypt scan chain test patterns via an authentication signature.

Parallel testing via a segmented interposer reduces serial chain delays by allowing simultaneous die checks without halting for open circuits.

Segmenting test data into encoded static and unencoded dynamic portions reduces wiring overhead while maintaining high-frequency transmission speed.

A simulation component injects biased faults into emulated hardware designs to identify vulnerable circuit paths and elements.

A test adapter apparatus with a device under test holder plugs into a docking station to provide secure RF and data interfaces.

A self-test controller configures BIST finite state machines to execute tests at varying clock frequencies.

Debug probe integrates measurement circuitry to detect analog signal levels on standard interface pins for system property analysis.

A configurable test plug I/O board automates hardware verification through a wireless mesh network interface.

Finite state machine conditions integrated circuit access to fuse-type non-volatile memory based on stored security parameters.

A test control bus synchronizes multiple built-in self-test circuits, reducing sequential test time and preserving external port availability.