Read-Only Memories TRIZ Cases

A page buffer block uses a verification error removal circuit to filter defective bit line signals before counting off-cells.

A semiconductor device integrates a surge protection circuit with switch-controlled voltage conversion to manage power supply levels.

A method for initializing and programming 3D non-volatile memory devices using specific voltage applications to string selection lines.

Hot carrier injection narrows threshold voltage distribution width, reducing program operation time for semiconductor memory devices.

A memory device uses a second gate electrode to modulate threshold voltage for data storage in oxide semiconductor transistors.

Dynamic grouping of memory units sharing threshold voltage distributions stabilizes read levels, reducing overhead from frequent recalibration.

Pre-charges unselected memory groups to higher potentials before programming selected word lines, eliminating program disturb errors in adjacent cells.

Calibrating the delay line against PVT variations reduces power waste from excessive margins while ensuring reliable signal detection.

A memory controller analyzes the command queue to skip unnecessary discharge operations between successive read commands.

Sequential erase pulses normalize cell behavior, reducing over-erasure and extending cycling life.

Segmenting the memory stack with dummy channels reduces interlayer insulation stress, preventing leaning and process defects in high-density devices.

Dynamic verify voltage adjustment resolves the trade-off between data retention and write speed by adapting verification cycles to program failure counts.

Adjusting drain bias via neighboring bit data minimizes read disturb errors while widening the threshold voltage window during memory cell operations.

A memory device uses dual threshold voltages to encode stored data and gate biases for search data, generating an output current proportional to the mismatch distance.

Ranking select gates by threshold voltage slows physical degradation and reduces latency in replacement-gate NAND architectures.

Floating the common source line during precharge minimizes current flow, reducing power consumption while maintaining sensing accuracy.

Replacing current detection with a voltage-detection sense amplifier reduces noise sensitivity and prevents read disturb effects in MRAM circuits.

A controller access module configures failed memory modules to read-only mode.

Adjusts read voltages based on measured resistance to mitigate back pattern effect errors in NAND flash memory.

A memory controller adjusts read parameters using collected read histories to optimize voltage levels for nonvolatile storage devices.

Vertical transistor placement lowers word line resistance and maintains bit line parity, enabling simultaneous read-write operations.

Flash memory controller balances cell states via voltage adjustment to reduce bit error rates in QLC flash memories.

Triple verify voting scheme averages memory cell sensing results over three cycles to determine accurate charge placement.

A line driver circuit provides ground-level pull-down voltage to minimize transistor stress during inactive memory periods.

Floating select source bit lines based on data patterns maximizes voltage distance between drain and source terminals, reducing leakage current.

Overlapping word line and bit line overdrive periods reduces bit line precharge time in semiconductor memory devices.

Bank voltage controllers adjust erase pass voltages for individual memory sectors in non-volatile semiconductor devices.

A non-volatile memory device uses a selection transistor to isolate sectors during programming and erasing operations.

Active pull-up and pull-down drivers on a single-node bus reduce pin count while maintaining reliable data transfer across the shared interface.

A non-volatile memory cell uses a shared control gate to store charge without extra processing layers.

Clustered read threshold selection via lookup table reduces raw bit error rate and extends SSD lifespan.

A flash memory programming method adjusts verify and program voltages to accelerate cell state transitions.

Dynamic frequency adjustment of programmable oscillators reduces voltage drop noise and interference with other circuitry in high density memory systems.

A memory disabling circuit uses a fuse to generate a tri-state output that isolates defective units.

A measurement unit determines the resistance value of a broken antifuse element using detection voltage and switching circuits.

A semiconductor memory device adjusts reference current and voltage to change a comparator decision level for evaluating memory cell characteristics.

Segmented pulldown bit lines and intermediary dummy cells expedite grounding source lines, minimizing voltage drops during read operations.

Weak programming pulses stabilize conductive filaments after erasure, preventing spontaneous reversion to programmed states and improving retention reliability.

A NAND memory method applies differentiated pass voltages to non-selected cells based on proximity to the selected cell.

Interference signal absorbing circuit detects level signals on data writing triggering terminals to protect memory write states.

A programmable delay module dynamically adjusts timing between data and clock signals to resolve synchronization errors during high-bandwidth transfers.

A nonvolatile memory device selects verification modes based on programming conditions to optimize cell operations.

Voltage supply switches protect transistors from high-voltage stress, enabling common well consolidation to reduce layout area and cost.

Insulating liner layers isolate pass transistors within memory device wells to prevent electrical interference between adjacent junction regions.

A controller adjusts NAND read threshold voltages using bit error rates derived from ECC syndromes.

A memory controller evaluates cell-level error direction to determine when read-reclaim operations are necessary.

A nonvolatile memory method programs adjacent word lines and reads previous data using dual sensing values to detect errors.

A multi-level memory array divides N-bit data across blocks to reduce coupling effects.

A single-poly non-volatile memory cell uses a shared floating gate and control node to manage electron tunneling.