Read-Only Memories TRIZ Cases

A memory controller performs threshold voltage margin analysis on specific memory portions to assess read window budgets and implement source shifting.

A memory chip implements a fast read mode to reduce sense time and operation current during data retrieval.

A control signal generation circuit adjusts activation points using counting information to optimize signal transmission.

Local comparators monitor program current to terminate cell programming, ensuring uniform characteristics without complex bit line sensing.

A vertical non-volatile memory device applies a substrate bias voltage to prepare the cell array for an erase operation.

A nonvolatile memory system uses discrimination areas to determine storage destinations for user data.

Segmented NAND submatrices with extended access protocols resolve sequential read bottlenecks, achieving NOR-like random speeds.

Iterative pre-programming narrows threshold voltage distribution width, reducing program operation time.

Block-level control with reference cells reduces bit line precharging time, enabling high-speed data retrieval in NAND flash memory.

Modifiable elements disable defective charge pump arrays, maintaining memory operation despite high capacitor defect rates.

A nonvolatile memory device stores first and second data in a page buffer circuit to perform program operations.

Control circuitry detects power loss and erases specific memory segments, preventing unauthorized data access while maintaining retention.

A self-timed wordline tracking circuit selectively applies boosted voltage to accelerate signal propagation across memory arrays.

Applying a 0.7 volt body bias increases programming current through select transistors, preventing write disturb in memory arrays.

Charge sharing between memory blocks reduces energy consumption and improves performance while managing device complexity.

Segmenting storage paths via a test mode decoder prevents errors during normal data operations, ensuring reliable fuse recording.

Early source side boosting isolates channel regions to prevent threshold voltage shifts in unselected storage elements.

A semiconductor device manages write voltage suspension through a dedicated control circuit that holds position information for rapid resumption.

Overlapping active periods of column selection signals enhance data output speed and stability by improving the time margin for sensing operations.

Page buffers shift program verify voltages using neighbor data to reduce capacitive coupling interference.

A retention control circuit partitions non-volatile memory arrays to adjust program and erase parameters for specific storage characteristics.

A non-volatile memory device sequences writing operations across adjacent cells to minimize capacitance coupling interference.

A storage device controller detects program disturbs in memory sections before programming operations begin.

Adjusting program and erase parameters based on cycle count reduces tunnel oxide damage, enhancing endurance while maintaining productivity.

A nonvolatile memory device applies a common verify voltage to perform pre-verify and target verify operations simultaneously during program loops.

A semiconductor memory device inputs program data simultaneously into page buffers across four planes, reducing program operation time.

Segmenting storage into pre-reflow and post-reflow units prevents data loss from heat-induced modification.

A flash memory controller classifies data into groups and generates parity check codes to store them across multiple blocks.

A non-volatile DRAM cell uses a PMOS pass-gate transistor with a floating gate to store data states.

Temporarily decouple deselected word-lines from bias voltage distribution during verify read operations to ensure accurate cell state verification.

Segmenting volatile memory into dedicated read and write caches minimizes NAND read disturbance and cache trashing while maintaining high retrieval efficiency.

A solid state drive controller spreading unit marks memory pages with high bit error rates to manage symbol storage.

Distinct voltage levels across shared source/drain regions accelerate hot carrier injection while suppressing punch-through currents in unselected cells.

A dynamic read window system adjusts reference voltage thresholds to optimize memory operations.

Monitoring NAND strings detect current changes to determine offset voltages that compensate for threshold value shifts and transconductance deterioration.

A memory sub-system controller determines read level values by measuring voltage distribution parameters for each block.

Statistical analysis of threshold voltage histograms dynamically adjusts read reference voltages to compensate for drift and manufacturing variations.

Distinct voltage raising conditions for separate word line groups reduce setup time and current variations, improving processing capacity.

Per-cell voltage adaptation accommodates element characteristic variations, preserving sensing read margin while ensuring reliable data detection.

A bit line bias circuit uses a varying voltage drop to adjust sense currents based on memory cell threshold voltages.

Column segmentation and lower threshold voltage programming reduce cell disturbance while increasing write speed.

A threshold voltage compensated timing circuit dynamically adjusts sense enable signal delays based on temperature variations.

A refresh control circuit manages row address decoding and signal enablement within a semiconductor memory cell array.

Intermediate control transistors prevent improper current paths at low supply voltages, reducing power consumption while maintaining operation reliability.

A nonvolatile memory program method randomizes write data using address-derived seeds to optimize threshold voltage distribution.

Adjusting source side word line voltages maintains channel pre-charge in 3D NAND strings, reducing electron-hole pair generation and preventing program disturb.

A smart self-repair device controls repairing of target and adjacent memory mats using a unified fuse array architecture.

Selective testing of specific pages reduces interference with host access.

A charge trap flash memory programming method uses retention verify voltage to ensure sufficient threshold voltage levels.