Digital Circuit Testing TRIZ Cases

A scan chain uses a shadow shift register and comparator to control output buffer access.

Programmable delay elements compensate for propagation delays to resolve timing skew between drive data and enable signals.

Segmented fuse elements prevent unauthorized repair attacks on integrated circuits while preserving legitimate testing capabilities.

Automated grouping of integrated circuit storage cells into checking groups with unique identifiers for error protection analysis.

A unified performance monitor register stores multiple event counts simultaneously via configurable bit fields.

A delay-locked loop monitoring circuit uses capacitive loading in a reference path to generate an output signal based on delay differences.

Inverting heater placement below sockets prevents terminal damage while enabling automated loading.

Time measuring unit checks working clock frequency via interface signal intervals to prevent measurement errors from device complexity trade-offs.

A built-in self-test circuit compares clock outputs from two delay locked loops to verify proper operation.

A microwave process circuit polarizes and re-radiates reflected energy into the heating chamber to increase absorption by the device under test.

Double throw relays and precision resistors enable parallel output short circuit current testing, reducing measurement time from seconds to milliseconds.

Multiplexing expected data and mask signals onto shared leads via the falling clock edge reduces interconnects between testers and devices.

An on-die test circuitry generates and compares output voltages against reference levels to verify I/O driver qualification.

A time offset device adjusts test clock signals to compensate for transmission delays in daisy chain testing.

Clock control circuit generates scan chain clock signals based on temperature sensor measurements to manage thermal load during semiconductor testing.

Dummy conductors link decoupling capacitors to test logic, resolving the lack of structural test coverage for on-chip passive components.

A dual integrated circuit transducer uses bidirectional signal comparison to enable redundant monitoring within a single package.

Thin-film resistors embedded in contactor boards isolate DUT input terminals to reduce signal reflections.

An apparatus generates altered test candidates to shorten execution time for device under test verification.

Toggle generators control neighbor module switching to reduce power consumption and prevent false rejects during integrated circuit testing.

A rechargeable power module manages energy storage and supply for semiconductor memory devices.

A semiconductor device uses a scan chain to generate and analyze data patterns for determining IP block degradation.

Electronic components on handler wear parts transmit digital address signals via a bus interface to identify their physical location within the system.

A debugger interface translates high-level commands into instrument signals for real-time semiconductor device testing.

A scan chain security component creates open-circuit conditions to block unauthorized access.

A system-on-a-chip authenticates host commands using public key cryptography and nonce exchange before configuring internal parameters.

A tap samples bus signals at a fixed high rate, isolating the analyzer from voltage mismatches and impedance issues.

A software-based diagnostic system examines parallel hardware components to identify faults without redundant circuitry.

Centralized adaptive test engine analyzes semiconductor tester results to identify environmental and calibration issues.

A multi-die integrated circuit uses interposer loop-back paths to propagate test signals through flip-flops for automated verification.

Test cards with PRBS generators replicate signal integrity to identify faults early, reducing design cycle time.

Integrating calibration standards at the semiconductor layer shifts the reference plane, enabling accurate S-parameter testing without matching structures.

Key signals unlock gateway storage units to insert hidden scan path segments, preventing unauthorized access to proprietary embedded instruments.

A verification system generates specific connectivity rules from abstract circuit models to check component interactions.

A sequential decompressor system uses a FIFO shift register to feed XOR networks for independent scan slice processing.

A reconfigurable test architecture uses scan chains and multiplexers to enable concurrent die-level and chip-level testing.