Read-Only Memories TRIZ Cases

Capacitive coupling shifts selected wordlines to negative voltage, eliminating complex generator circuitry and improving data retention margins.

A semiconductor memory device adjusts voltage supply lines based on active write planes to ensure uniform voltage rise characteristics across all memory blocks.

Index cells track threshold voltage drift to dynamically adjust read voltages, reducing errors caused by cell wear and coupling effects.

A volatile memory cell array stores erase setting information using dedicated readout amplifiers, reducing circuit area required for latch circuits.

A nonvolatile memory programming method controls program pulses and verification operations to manage current consumption.

Records temperature codes in spare cells to adjust read voltages, reducing bit error rates caused by cross-temperature effects.

Segmented programming of first and second bits in a selected cell increases safety margins between contiguous threshold voltage distributions.

Segmenting flash memory cell programming into distinct phases minimizes capacitive coupling interference while maintaining high storage density.

A memory circuit uses column pre-decoding to selectively pre-charge targeted bit lines during data access.

A sense amplifier uses a single phase signal to stabilize comparison voltages across internal stages.

Independent voltage switches for selective transistor drives reduce circuit area while maintaining two-bit storage capability in MONOS memory cells.

A DIMM SSD SoC uses variable delay elements to simulate board channel skew, resolving signal integrity issues and maximizing bus frequency.

Oxygen scavenger layers form vacancies in recording material to enhance resistance change characteristics, addressing unit cell scaling limits.

A control circuit regulates bit line charging current using ramp functions and feedback mechanisms to maintain consistent operation.

A sense amplifier uses an equalizing transistor to prepare output nodes before sensing operations begin.

A pre-charge voltage system regulates pulse width and height to stabilize memory lines.

Distinct operation voltages applied to string and ground selection transistors optimize programming, reading, and erasing efficiency in NAND strings.

A built-in test circuit generates addresses and control signals to activate memory rows and columns simultaneously.

A SONOS memory sense window defines read limits between intrinsic and end-of-life threshold voltages.

A semiconductor system generates fuse signals using selection pulses and latch units to control internal operations.

A write circuit detects bit line voltage levels to program one time programmable memory cells.

A memory control apparatus merges data and count information into a single block to reduce writing operations.

Dual-program operation segments charging phases to separate threshold voltage distributions and prevent interference between word lines.

Alternating data programming order between even and odd bit lines reduces capacitive coupling interference, maintaining balanced threshold distribution.

Segmented voltage control reduces gate-induced drain leakage in standby mode while maintaining main word line driving capability.

A memory controller uses a regression model to predict device lifespan based on log information.

A memory controller verifies one-time programmable cell states using supplementary cells to record programming results.

Segmented erase voltage pulse controls rise time and maximum voltage to eliminate overshoot during one plane operation, maintaining memory cell performance.

Segmented gray code programming distributes read operations across logical pages, minimizing multi-sensing voltage levels and improving cell distribution.

Mode registers define selectable bank pairs for concurrent refresh, reducing resource consumption compared to fixed address-based refreshing.

Path circuits segment global word lines to accelerate write and read speeds while maintaining nonvolatile data persistence without external power.

Segmented erase voltage bias prevents deep erase skewing of unprogrammed cells, maintaining state integrity during partial block operations.

A flash memory device divides word lines into groups and applies differentiated read voltages to unselected lines during operation.

Segmenting discharge periods prevents coupling interference between write and read operations, enhancing operational reliability.

Continuous read level calibration scales difference error counts to adjust valley margins, reducing retention loss and extending memory endurance.

Control circuitry calculates natural threshold voltage width to identify memory blocks vulnerable to cross-temperature read errors.

A semiconductor storage device uses a voltage generation circuit to supply read voltage to global word lines during data retrieval operations.

Built-in multi-threshold read commands reduce memory access operations by segmenting initial and error correction reads.

Two-phase programming method controls threshold voltage levels in multi-level memory cells.

Lateral word line contacts couple conductive pillars to target word lines, reducing pillar quantity and manufacturing error risks in dense NAND stacks.

Reverse bias programming in one-time field-programmable memory cells reduces leakage currents and driver voltage requirements, improving endurance.

Segmented page regions with isolated source lines minimize read disturbance and power consumption during bit line precharging operations.

A page buffer circuit uses a bit line control unit to temporarily charge selected bit lines in an analog manner.

Current injection modules stabilize source line voltage drops during differential and single-ended reading operations to ensure accurate data detection.

A sub-word line driver circuit generates a soft-landing voltage state to reduce local word line switching stress.

Integrating data mask processing into write drivers eliminates global mask lines, increasing net die area and reducing apparatus size.

Differentiated voltage biases on source and drain side word lines reduce punch-through disturb while maintaining programming accuracy.

Masking circuit discharges sense nodes for unselected page buffers based on column address upper bits.

A charge pump circuit regulates leakage current using a bias voltage proportional to the supply voltage.