Read-Only Memories TRIZ Cases

Dynamic read sequence selection adapts to temperature and voltage changes, reducing latency without increasing control complexity.

A programming method for EEPROM memory cells that automatically switches to the next row when the current row ends.

A NAND flash bit line pre-charge method uses sequential transistor activation to manage voltage supply and clamping.

An erased reference cell with independent bitline voltage control simplifies the operation sequence and reduces read circuitry scale.

A host reliability manager analyzes data characteristics to determine and apply specific error correction and refresh schemes.

A semiconductor memory device performs main and additional program operations on cells with changed threshold voltages.

Adjusting dummy word line voltage reduces vertical electric fields to prevent hot carrier injection and read disturbance in 3D memory devices.

A repair device segments fuse arrays into independent groups to selectively activate specific regions during memory operations.

Divide-by-2 grouping reduces programming time and circuit complexity by consolidating verify operations.

Capacitive coupling from primary and secondary neighbors boosts unselected channel regions to prevent program disturb and maintain reading accuracy.

A memory controller programs NAND flash blocks using GIDL seeding to reduce precharge voltage levels.

Segmented memory pillars apply distinct voltage potentials to prevent parasitic transistor activation, ensuring accurate data retrieval.

A memory control circuit alternates stripe erase operations with periodic dummy cycles to manage parasitic charge accumulation in non-volatile storage arrays.

Capacitor charge traps in trench isolation structures retain data integrity while reducing manufacturing complexity and power consumption.

Segmented read operations and feedback compensation mitigate inter-region interference, improving readout accuracy in high-density multi-bit memory cells.

Persistent counters track access counts across power cycles, preventing row hammer wear and preserving data retention.

A boost driver circuit increases word line voltage beyond supply levels using a PMOS and NMOS transistor pair driving a boost capacitor.

A read verify operation detects residual resistance in NAND strings to adjust soft bit information.

Segmented pre-charge voltages reduce hot carrier injection between adjacent word lines, enlarging the read window.

Segmenting memory dies allows independent voltage adjustments that reduce raw bit error rates caused by temperature-induced shifts.

Current limiting circuits equilibrate reference currents to cap power consumption at 6 uW per cycle while maintaining data integrity.

Splitting total capacitance into smaller areas via cut-off cells boosts local channel voltage and reduces leakage current during programming.

Pre-charging selected word lines enables detection of voltage variations on floating lines, generating runtime failure information to manage defective blocks.

A memory controller manages hybrid storage by archiving stable data to one-time programmable memory.

Applying set voltage to the common source line maintains channel potential levels, preventing negative voltage drops that cause program disturb.

A semiconductor memory device uses a control circuit to manage operating voltages applied to selection transistors.

A shared block decoder design reduces selection signal count in nonvolatile memory arrays.

A cascade sense circuit discharges two nodes into a bit line to output dual bits from one control gate voltage.

Distinct dummy word line configurations reduce electric field imbalances that cause program disturbance in boosted channels, enhancing data reliability.

Segmented boosting capacitors with dynamic clock control reduce power supply variation, ensuring stable word line voltage during read operations.

Generating an opposing electric field prevents charge movement that permanently shifts the threshold voltage of select transistors after sensing operations.

A non-volatile memory monitor circuit switches between power-saving and evaluation states to assess cell characteristics.

Transistors formed on different wells prevent leakage currents between opposite polarity voltages, stabilizing power supply in semiconductor memory devices.

Air gaps between stacked mono-crystalline silicon beams reduce capacitive coupling to minimize program/erase disturbs in 3D NAND.

Alternating programming polarity distributes tunnel oxide damage across both electrodes, sustaining memory cell reliability through repeated cycle operations.

A control circuit applies recovery voltages with varying driving strengths to string selection lines in non-volatile memory devices.

Merging reference and data lines through shared multiplexers reduces memory area.

Using a grounded third main bit line as an intermediary shield prevents parasitic capacitance variations in the reference cell without increasing device area.

Hardware interrupts flag data errors detected by the ECC system, preventing NOR flash memory from treating corrupted data as reliable.

Consecutive programming and verification of multiple pages sharing a word line minimizes voltage changes and stabilization waiting times.

Selective trim control resolves performance degradation from process variations by applying customized voltage levels to each word line.

Dynamic program pulse adjustment monitors temperature and usage patterns to reduce unnecessary stress on NAND components while maintaining data integrity.

A semiconductor memory device applies distinct power-supply voltages to selected bit lines using address selection circuits.

Dual reference cells with complementary threshold states validate memory cell data, eliminating verify operations and reducing peripheral logic complexity.

Selective reprogramming techniques maintain data integrity in non-volatile memory structures by tracking programming cycles and read operations.

A voltage control unit level-shifts sensing output voltage using switching elements and coupling capacitors within a nonvolatile semiconductor integrated circuit.

Adaptive control circuitry adjusts pass and initial program voltages based on detected programming speed to optimize memory cell operations.

Flash memory strap cells serve dual functions as source line pull down circuits, eliminating dummy cell die space while minimizing electromagnetic interference.

A data path uses bit mapping and data conversion circuits to store non-power-of-two memory states in multi-level cells.

A semiconductor integrated circuit uses segmented memory cells to manage reversible and irreversible resistive switching states.