Read-Only Memories TRIZ Cases

Stops programming at an intermediate stage to read partial cell data and latch data together, then resumes programming for complete storage.

Surface-bound metal ion seeding enables low-temperature channel crystallization, boosting mobility while limiting leak current and threshold voltage drift.

Edge-based reference voltage tuning helps memory receivers resist interference, cut signal errors, and avoid repeated reconnection.

Grouped row decoders drive stacked word lines in the same direction to cut interference and coupling capacitance in 3D memory.

Biasing offset feedback during read-level calibration helps memory devices track charge degradation, avoid overcorrection, and reduce errors.

Separated-gate NAND memory cells improve F-N tunneling and thermal injection paths to speed program, erase, read, and refresh operations.

A vertical pass-gate and pillar layout cuts peripheral circuit area in stacked 3D memory, enabling denser memory cell integration.

Patrol and shift read operations locate threshold-distribution intersections to set optimal NAND read voltages and reduce error bits.

Different channel voltages are assigned to cell subsets during programming, then unified for verify steps to reduce threshold overlap and improve MLC precision.

Adaptive timing and reference voltage tuning helps a shared sense amplifier read large and small memory circuits accurately without slowing readout.

Programmed GSL transistors and dummy lines electrically isolate 3D NAND cell strings, cutting line interference without sacrificing integration.

Differentiated GSL voltages enable normal and special flash memory reads, improving error recovery when ECC cannot correct user data.

Coarse failure counting during NAND program-verify cuts verify time and speeds multi-level cell programming without tier-by-tier sensing.

Skipping memory-hole pre-charge between SLC program loops cuts programming time and power while preserving verify-based threshold control.

Separate data pad sets on opposite sides of the cell array shorten data paths and enable higher-bandwidth nonvolatile memory I/O.

Segmented local bit lines across stacked interconnect layers cut capacitance and coupling noise, preserving 3D NAND read speed at high word-line counts.

Opposite-end driving for grouped stacked word lines reduces interference and coupling capacitance in 3D memory arrays.

Adjusted read and verify voltages enable coarse NAND data read-back during multi-pass programming, shortening power-loss handling time.

After erase, a shifted off-cell detection voltage counts hard off-cells to flag defective memory blocks before write or read errors occur.

Time-segmented voltage control on word lines and switch transistors enables selective NAND block erase with higher reliability in multi-bit memory.

A sampling switch and voltage regulator stabilize flash memory trip voltage, preserving sensing margin and data reliability at low operating voltage.

Precomputed voltage offsets from dual read retry tables adapt NAND reads to open and closed block states, reducing read errors.

Different VPASS levels on adjacent and other word lines preserve channel boosting while reducing program disturb in memory programming.

Selective GIDL erase targets one NAND flash cell while protecting unselected cells, improving data retention and storage accuracy.

Selective preprogramming raises threshold voltage in over-erased NAND cells before writing to reduce cell interference and improve retention.

Threshold-voltage monitoring enables early program termination across memory planes to limit neighbor plane disturb and improve data reliability.

A common read reference voltage is chosen across NAND dies from block-level distributions to cut read errors under temperature and P/E variation.

Current mirrors and voltage control replace op amps to stabilize judging voltage, resist noise, and improve non-volatile memory read accuracy.

By moving digit-line driver TFTs outside the 3D memory array, this case frees circuit area, eases routing congestion, and boosts line drive.

Staged verification voltages and sense-amplifier feedback enable 3-bit-per-cell memory readout with faster access and stronger data integrity.

A two-stage read-voltage search finds an inflection point and valley bottom to cut NAND read errors under charge drift and temperature change.

A negative Vcelsrc kick with non-decreasing p-well bias lowers NAND string channel resistance to shorten read time and reduce fail bits.

Stacked horizontal active strips and vertical word-lines cut read latency and disturb effects in high-density NOR flash TFT arrays.

A surrounding channel and hysteretic layer enable 3D one-transistor memory cells to raise density without relying on harder planar scaling.

Multi-stage predicted valley voltages adapt NAND reads to charge drift from time and temperature, improving accuracy and shortening error correction.

Auxiliary wires placed near sensing nodes increase node capacitance and suppress coupling, enabling smaller page buffer layouts with reliable memory I/O.

Location-based read-voltage offsets detect incomplete programming after power loss while cutting false overkill in multi-level memory blocks.

Controlled GIDL during NAND program refresh neutralizes negative charge buildup, tightening threshold distributions and restoring read margins.

Variable pillar spacing and insulating layers improve 3D NAND density while preserving electrical isolation and manufacturing precision.

Multi-step source-line erase voltages narrow threshold spread between fast and slow memory cells, cutting later program time.

Verification feedback changes ISPP voltage steps to speed nonvolatile memory programming, cut loop count, and stabilize threshold control.

Pass voltage is tuned by program order during 3D flash reads to curb background pattern dependency, widen read margin, and reduce disturb.

Failed byte and bit count metadata tracks threshold shifts, enabling faster read voltage calibration and more reliable memory reads.

Distance-based VERA and VPGM bias adjustment keeps NAND memory planes programming and erasing at more consistent rates.

A pre-read between NAND flash program passes detects threshold-voltage shift and updates program voltage to reduce charge-loss bit errors.

Dummy and active 3D memory arrays are formed together to equalize pattern density, reducing contamination in later fabrication steps.

Adaptive scan intervals track select gate threshold voltage drift by block, improving memory reliability while avoiding intensive scans and host timeouts.

A bulged through-stack contact via improves layer contact and alignment in 3D memory while easing complex stack fabrication.

Different bit line biasing in charging and discharging phases equalizes 3D memory word line programming times despite path-length delays.

Dynamic start voltage adjusts each memory programming pulse from verify results to widen read-window budget and reduce over- or under-programming.

Test reads on unprogrammed cells detect threshold voltage shifts, preventing premature block folding and preserving data reliability.

Dynamic program voltage revision counters verify states to resolve heterogeneous threshold distribution errors in flash memory.

Low voltage P-type transistors transfer high signals using diode circuits between gate and drain, avoiding complex high resistance devices.

A segmented ramp voltage signal divides the programming range into multiple sub-ranges to enable incremental verification of flash memory cells.

Bit line selection circuit with parallel sub-select transistors transfers read current to a sense amplifier for data retrieval.

Sharing one word line across multiple antifuse transistors increases readable cell current while simplifying via placement for metal tracks.

A compute-in-memory array uses programmable offset cells to supply calibration values that correct analog-domain signal errors.

A reference voltage generator mirrors current to produce bias voltages for fuse read circuits.

A nonvolatile memory apparatus uses a shared read write driver to supply bias voltage and maintain constant sensing node levels.

Correction voltages compensate for row decoder delay times, ensuring uniform threshold voltage distribution and improving device reliability.

Segmented processors generate core-timing-control signals via varied data formats, reducing memory storage needs.

A memory sub-system adjusts read and write voltages by testing demarcation levels within threshold voltage distribution spaces.

Resistive switching in a multi-port MRAM cell enables concurrent access, reducing device complexity and power consumption compared to transistor-based SRAM.

A FinFET OTP device merges programming and sensing transistors into a single structure sharing source, drain, and channel regions.

A semiconductor memory device routes data between banks using dedicated internal lines and shared sense amplifiers.

Stair step structure enables perpendicular interconnection access to conductive lines, relaxing pitch constraints and reducing capacitive coupling.

A high voltage generator for flash memory devices dynamically adjusts pumping clock signals to match program voltage levels.

Elevated pass voltage on adjacent word lines prevents insulation damage and leakage currents caused by high integration density.

Segmented voltage and plane switching units reduce chip area by minimizing switches while maintaining reliable voltage control.

Reference memory cells average currents from distinct states to track threshold voltage shifts, ensuring reliable read operations across temperature variations.

A storage device controller monitors host power state information to dynamically adjust nonvolatile memory reliability levels.

A functional high bandwidth memory device executes neural network operations internally.

Adaptive current balancing in parallel e-fuses reduces thermal shutdown risks by activating control mechanisms only during soft-start and clamp modes.

Strobe signals delineate packet boundaries in a memory device, removing overhead codes that degrade serial bus transmission efficiency.

A flash memory gate electrode uses a PN junction to create a depletion layer that expands under bias.

A memory controller adjusts read voltage thresholds based on data group comparisons to maintain accurate retrieval.

Tapered lightly-doped source and drain regions manage electric fields in NAND flash transistors, preventing breakdowns during high-voltage operations.

A nonvolatile memory controller manages complementary signal buffers by enabling them for synchronous operations and disabling them during asynchronous modes.

A page buffer applies distinct precharge voltages to bit lines based on data type.

Converting state data order reduces dumping operations and improves programming speed in nonvolatile memory devices.

A common source line compensation circuit generates a compensated bias voltage to stabilize memory cell operations.

A nonvolatile memory erase method checks selection transistor threshold voltages during verification cycles to manage block status.

A programmable memory system uses judge and write-in modules to manage one-time programmable rows.

A multi-level converter transforms data signals into varying voltage levels to boost throughput in memory systems.

Dynamic selection of normal or force write pulses for polarity memory cells reduces energy consumption and cell wear while maintaining writing reliability.

Local voltage biasing on unselected word lines mitigates erase disturb effects by isolating channels and protecting programmed cells.

Dynamic voltage control prevents unselected bit cell data retention failures during SRAM write operations by restoring levels after pulses.

Position-dependent voltage biases offset programming delays caused by noise from neighboring cells in dense BiCS architectures.

A decoder performs multiple sub-decoding operations to update local variable nodes using global check nodes derived from successful data chunks.

Controller issues partial page commands to execute zone-specific verify operations using multiple voltage levels for semiconductor memory devices.

Weak programming prepares memory cells for baking, enabling detection of slow leakage defects that standard screening misses.

Adjusting recover read voltage based on adjacent word-line program state minimizes coupling-induced errors and improves data retrieval accuracy.

Simultaneous selection of M/8 word lines reduces non-volatile memory test time from 1280 ms to 39 μs.

Segmenting memory sectors with select transistors enables partial erasure, resolving the trade-off between erasure flexibility and device complexity.

A two-step erase sequence selectively biases memory cells to inhibit parasitic charge accumulation in NAND flash devices.

A semiconductor memory page buffer adjusts precharge potential levels via kick signals to ensure stable data sensing across varying thermal conditions.

A hybrid bitcell circuit transfers memory states between volatile and non-volatile elements.

A polysilicon shield structure biased at an intermediate voltage counteracts the body effect in NMOS transistors during memory programming operations.

Floating unselected cell sources isolates control gates, reducing program gate disturb and enhancing resistor longevity in split-gate arrays.

A coupling circuit manages voltage switching between signal lines and a charge pump to recover stored electrical energy.