Electrical Testing TRIZ Cases

An internal hold buffer and shared scan input help a multi-bit flip-flop prevent scan-test timing violations while reducing cell area and power.

Shared scan-input wiring links chained flip-flops to cut circuit area and wire complexity while preserving data input reliability.

A ring oscillator with edge injection and calibration modes converts oscillation frequency into accurate flip-flop clock-to-Q delay estimates.

Controlled pass-stage impedance and gate drive circuits help comparator input stages maintain gain, bandwidth, and voltage tolerance.

A level-shifted, amplified battery signal lets a fixed-range ADC capture both long-term discharge changes and short-term voltage fluctuations.

Transmission gates and an inverted latch merge scan multiplexing with storage to cut chip area, power use, and hardware overhead.

A configurable override path switches from original logic to software, fuse, or metal fallback values to keep chips functional during silicon bring-up.

Periodic capacitor charging with ADC code comparison measures battery voltage accurately without quiescent current or parasitic error.

Injected frequency signals and probe-based reception trace underground cables without de-energizing the grid or locating cable ends.

A dual-edge flip-flop combines scan, reset, and data retention to improve start-up, testability, and power gating with shared latch paths.

Simulated fault injection identifies defect-sensitive ADC and DAC codes, cutting post-silicon test time without exhaustive code sweeps.

Selective clock and output gating isolates timing exception paths, cutting unknown test data, pattern count, and test time.

A clamp circuit and buffer let a battery monitor IC track divided voltage continuously while protecting microcontroller I/O from surges.

A multi-point delay line captures timing statistics and waveform values to expose circuit inconsistencies without extra monitoring hardware.

An independent DAC analog copy is compared with the original input to catch digital control development errors before they affect system behavior.

Converts glitch-prone asynchronous logic cells and C-elements into suppression and QDI cells to prevent malfunctions and cut power use.

Ternary positive, negative, and zero symbols cut current use in insulated communication while preserving burst-mode initial bit detection.

Timing margin sensing compares test and delayed signal paths during structural IC tests to track aging drift and predict failures early.

Individual gate testing and voltage feedback expose fail-open SSPC switches before imbalance, overheating, and latent faults spread.

An on-chip counter and finite state machine trim oscillator period to a target value without CPU-based testing, cutting test time and complexity.

On-chip clock control enables at-speed testing of multicycle path circuits while keeping clock paths consistent and avoiding setup and hold conflicts.

A comparison and logic loop corrects duty cycle drift in differential input circuits, stabilizing internal memory clocks for read and write accuracy.

Phase-shifted drive signals let this electrostatic capacitance sensor distinguish real hand proximity from false detection on steering wheels.

Grouped battery stress states and cumulative durations cut data volume, memory use, and calculation time in aging simulations.

Pulse-width generation and low-pass filtering simplify accurate clock frequency detection across ranges in integrated circuits.

Synchronized test pulses let paired counters verify each other in real time, preventing missed or extraneous counts in fail-safe circuits.

Separating sensor and amplifier offsets by frequency enables fast idle-channel calibration with lower noise and no sensor shorting.

Diode-connected FET stages in a ring oscillator improve sensitivity to PFET and NFET switching variation, aging, and process corners.

Comparator and resistor-array measurement pre-calibrate voltage resolution in electronic atomizers, cutting chip area and improving accuracy.

Distributed satellite ADCs digitize FPGA sensor signals locally, cutting analog routing, noise exposure, and scaling limits.

An RC circuit measures ON time and adjusts bias to counter heat-driven front-end gain drift, preserving linearity and lowering error vector magnitude.

Sampling points are aligned to low- and high-frequency interference in traction-network signals to cut ADC measurement error without more samples.

A dummy shadow latch flags shrinking timing margin before flip-flop capture fails, enabling clock adjustment to keep ICs functional.

Additional latch monitoring detects SEU faults, triggers a reset pulse, and suppresses output glitches without full memory duplication.

A staged signal-generation scheme speeds flip-flop data transfer, cuts hold time, and preserves scan testability in integrated circuits.

Reference-oscillator counters track clock duty-cycle shifts from asymmetric aging, enabling correction without stored baseline data.

A delayed clock path in the master latch cuts setup time and power use, enabling faster, more reliable data transfer in IC flip-flops.

Parallel test mode and isolation circuitry let FPGA logic tiles be checked independently, cutting test time while improving coverage.

A cross-coupled tri-state inverter structure integrates scan selection into the flip-flop to cut cell area and simplify chip test mode switching.

A monitoring circuit detects SEU-driven latch output flips, triggers a clear pulse, and suppresses glitches without costly circuit duplication.

Vertically stacked memory tiles and a hybrid buffer use TSV delivery plus adaptive power and refresh logic to raise bandwidth with better power efficiency.

A trigger stage with adjustable voltage swing cuts scan-test power by limiting transistor toggling while preserving logical state updates.

A reset monitor checks whether flip-flops reach their default bit pattern, catching reset faults and enabling safe-state transition.

A delay element, gated-input cell, and comparator detect timing violations with low area overhead and minimal loading on data and clock inputs.

An FPGA input serializer and shift register capture signal arrival before downstream clocks, enabling sub-nanosecond timestamps across systems.

A fault flag latched against external and internal clock edges detects single bit upsets in memory clock latches before data corruption.

Pulse position modulation enables real-time jitter shaping without parameter reloads, supporting precise periodic, random, and data-dependent jitter.

Built-in pulse limiting widens overly narrow frequency-doubler pulses, improving high-frequency signal propagation while avoiding extra control hardware.

Uses MOS leakage current and parasitic capacitance to detect a floating high-impedance input without continuous bias current.

Parallel test circuitry isolates FPGA logic tiles and interconnects, cutting test time while improving independent tile integrity checks.