Read-Only Memories TRIZ Cases

Media management data sets error flags so memory subsystems run only relevant error-handling steps, cutting latency and resource use.

Local Joule heating from voltage sweeps tunes IGZO resistance states in air, boosting nonvolatile memory density without added structure.

Shared normal and OTP cells use distinct reference resistances and retry writes to cut array area while protecting adjacent cells.

Multi-level thermometer encoding lets 3D NAND perform dense, low-power MLC, TLC, and QLC search with approximate and exact matching.

A two-phase memory programming sequence compacts level distributions by delaying lower-voltage states, reducing erase disturb and read-window loss.

Segmented local and main bit lines cut capacitance and sustain cell current, helping 3D NAND keep read speed as word-line stacks grow.

A two-phase erase scheme raises word line voltage after erase bias reaches target level, compensating channel potential loss in 3D NAND.

Grouping programmed states by coupling offset cuts 3D NAND programming time while preserving read margins in TLC and QLC cells.

Grouped ground selection lines isolate unselected flash memory cell strings from the common source line, improving read reliability and lowering power use.

Capacitor-based update cells replace ADC weight conversion with compact threshold comparison to cut neuromorphic power, noise, and area.

Single initial command-address loading into per-plane and second FIFO buffers cuts multi-plane read delay and improves memory I/O efficiency.

Real-time current and voltage sensing lets the controller adjust clock frequency automatically, cutting storage power use without manual tuning.

A current control switch splits bitline current during precharge to offset coupling noise and shorten read precharge and develop time.

Dividing a 3D NAND block into subblocks enables state-based erase, read, and program control for mixed-capacity blocks with minimal firmware changes.

Different sense amplifier groups apply tailored write voltages to memory cell groups, reducing program variation and improving data reliability.

A DRAM detection circuit compares voltage and clock changes to lock access or delete data during cold boot attacks.

Decision feedback equalization and cross-reset latch control improve logic-level detection in high-speed memory input signals.

Selective parallel connection of segmented NAND memory strings improves current flow and storage density while managing connection complexity.

Sequential slot and trench formation in 3D NAND arrays improves channel-to-conductor coupling while preserving stack integrity and retention.

On-device hardware calibration corrects write duty cycle distortion faster than firmware loops, improving timing margins and data reliability.

An added dopant path and cascaded select transistors improve OTP read margin by reducing diode effects and programming voltage stress.

Cycle-based tuning of erase-voltage slope and row-line floating time limits hot carriers and preserves selection transistor switching.

A ferroelectric storage layer and internal back gate improve 3D flash cell reliability while supporting dense vertical memory arrays.

Multiple MOSFET switches sequence boost and regulated voltages on selected word lines to speed NAND flash programming and improve reliability.

Resistance-based precharge timing on drain select lines synchronizes programming voltage and helps prevent memory cell deterioration.

A complementary bit-line counter-pulse offsets parasitic capacitance, preserving read window width and improving programmable memory read accuracy.

Adjustable source-line bias helps non-volatile memory synapses tune weights precisely while cutting circuit area and energy use.

Selective pump-stage switching matches input and target voltage in 3D NAND, cutting charge-pump power use across memory operations.

Timed switching from turn-on to negative voltage improves channel-layer precharge and prevents threshold drift in unselected 3D memory cells.

A shared latch architecture lets one memory plane use the other plane’s latches, saving die area while supporting read, program, and backup storage.

Non-stoichiometric silicon dioxide stops upper channel etching in stacked NAND, improving string alignment, connectivity, and array reliability.

A buried doped channel and segmented vertical gate speed programming and erase cycles while lowering power use in non-volatile memory cells.

Sequential word-line precharge reduction preserves channel boosting potential, cutting 3D memory programming interference in erased state L0.

Sensitive verify targets high-risk memory blocks to catch leakage defects early, prevent UECC errors, and avoid unnecessary verify time.

Repeated analog verify steps between programming pulses tighten threshold voltage distributions, cut TLC programming time, and reduce read errors.

Extended-cycle and at-speed ROM reads are combined into a compact signature to cut test time while preserving robust error detection.

Cell current signals encode squared bit differences, letting memory arrays compute Euclidean distance efficiently for similarity measurement.

Device-originated failed bit and byte metrics guide read-voltage calibration to track threshold shifts and cut memory read errors.

In-place word-line refresh restores fallen threshold voltages in NAND cells, preserving retention while supporting high-bandwidth, lower-power memory use.

Wordline voltage equalization lets sequential reads skip recovery within a reference interval, cutting nonvolatile memory read time and power.

A field plate stacked over the gate replaces separate word line capacitor area and channel implants, boosting NVM cell density and cutting cost.

Different pre-charge voltages on adjacent and other unselected word lines cut neighboring interference and improve erase-state reliability.

Shared read-only storage broadcasts common interface data across stacked memory dies, cutting redundant storage, latency, and power use.

Mixed ferroelectric and antiferroelectric HfZrO domains improve cycle durability and preserve the memory window in nonvolatile memory cells.

Separate mapping tables and erase control for different NAND sub-block sizes cut management overhead while preserving storage density and reliability.

Delay detection and control-signal calibration keep compressed data from multiple memory banks synchronized during shared-line merge operations.

Asymmetric transistor characteristics and hot carrier injection fix initial memory data states while reducing test defects and circuit overhead.

Row control stabilizes erase-to-program voltage switching in split-voltage EEPROMs, reducing transistor stress, latch collapse, and current use.

Cached ETH read offsets let a memory controller skip repeated NAND read error handling, cutting latency and power on aging flash.

Dummy stack structures and orthogonal separation trenches counter warpage in 3D memory arrays, improving structural reliability and storage density.

Parallel set and reset programming circuitry executes simultaneous operations on multiple ReRAM cells within a single word line.

A control circuit initiates asynchronous program or erase operations on two-terminal memory devices to accelerate bulk data processing.

A charge pump system dynamically configures active cell counts to match programming loads.

Isolation word lines prevent source side boosting to stop program disturb from hot carrier injection.

A non-volatile memory device uses a current limiting circuit and ramped gate voltage to program cells.

Differentiated read pass voltages applied to unselected NAND string cells reduce read disturb and preserve data integrity.

Segmented reference bit lines stabilize voltages to resolve trade-offs between measurement precision and power consumption in memory access operations.

A non-volatile memory device adjusts bit line voltage using measured threshold differences to narrow the voltage distribution width.

A memory system relocates high-risk data from boundary word lines to safe storage locations.

A multi-bit memory device adjusts decision values based on detected error bits to optimize data reading operations.

Voltage detectors monitor supply levels to trigger control logic that overwrites memory cells, preventing data leakage during power interruptions.

A memory device adjusts start erase voltage via control logic to optimize threshold voltage distribution.

Vertical stacking of memory blocks with selection lines increases cell density while maintaining electrical characteristics.

Applying simultaneous programming pulses to shared bit lines reduces encoding time and operational steps while maintaining verification accuracy.

Opposite polarity kick voltages on adjacent word lines reduce setup time during read operations.

An artificial neural network infers block-specific read levels from on-cell counts, correcting threshold voltage shifts caused by varying deterioration rates.

Segmenting word lines into logical blocks isolates short circuits, preventing entire physical blocks from becoming unusable.

Daisy-chained bundle status circuits detect fail bits in memory arrays, reducing processing time and enabling precise redundancy analysis.

A sense amplifier applies selective voltages to bit lines during read operations to restore data values in dynamic memory cells.

A program time control circuit adjusts pulse duration based on voltage amplitude to optimize memory cell programming speed.

Vertical pass transistor integration in a COP structure reduces horizontal peripheral area, preventing chip size expansion while increasing memory capacity.

Segmented circular buffers with independent wear counters extend memory lifecycle by minimizing unnecessary data movement and localized cell wear.

A control logic circuit segments bulk port voltage application to prevent latch-up in column multiplexer circuits.

A shared sensing amplifier circuit services even and odd bit lines to reduce pre-charge time.

A memory device monitors ramping time during program operations to detect write reliability risks without executing a verify pulse.

Differentiated pre-charge voltages boost unselected channels equally, eliminating program disturb in non-volatile storage cells.

Inverted source and drain regions in a fin-shaped channel structure reduce erase time while maintaining narrow threshold voltage windows.

Dynamic voltage adjustment for conductive bridge memory arrays stabilizes programming operations across varying thermal environments.

Dynamic drain bias adjustment tightens threshold voltage distribution in multilevel cell memory, reducing bit error rates and increasing programming speed.

A nonvolatile memory controller autonomously sets erase voltage levels using pass loop counts.

A semiconductor memory device uses a temporary latch to stage data transfer between buffers and latches, reducing interconnection length.

Independent voltage bias sources enable concurrent programming across multiple memory planes in non-volatile structures.

Error correction circuit detects and fixes initial read errors during multi-bit flash memory programming operations.

A low voltage XPM memory cell uses a sense MOSFET to detect signals through a gate capacitor element, eliminating high read voltage requirements.

Discharging GIDL generator lines before access lines mitigates charge injection and maintains threshold voltage stability in NAND flash memory.

Compensates memory cell signal line propagation delays through pre-characterized RC time constant adjustments.

A disturb-strength matrix estimates charge disturbance strength in flash memory cells to enable proactive data management.

A read tracker circuit modulates sense amplifier timing using dummy bit cells.

A semiconductor repair fuse circuit uses a shared rupture enable signal generation circuit to program multiple target addresses.

Selection transistors switch between adjacent and alternate bit line connections to suppress interference while maintaining high-speed productivity.

A biasing procedure raises channel potential based on target state to synchronize programming rates across non-volatile memory cells.

Segmenting memory arrays into supercells allows differential sensing to correct over-programmed cells without erasing the entire row.

A memory system compares production and margin data programmed at distinct voltage levels to verify stored information integrity.

Parallel NOR flash memory cell programming via bit line and word line voltages overcomes sequential throughput bottlenecks.

Buffering data writes during volatile memory refresh cycles enables non-volatile memory to match dynamic random access memory speeds.

Pulsed program voltage breaks down antifuse gate dielectrics while preventing electron trapping that reduces data sensing margins.

Control logic determines dummy voltages based on selected word line locations to prevent cell distribution deterioration and improve reliability.

A programming method adjusts voltage slope to manage parasitic capacitor coupling in NAND memory arrays.