Read-Only Memories TRIZ Cases

Segmenting 3D memory blocks into independent string groups reduces parasitic leakage and read disturbance during high-density operations.

A variable resistive memory device uses a status bit to selectively invert data bits during write operations.

Memory controller applies varying voltage levels to full select gate drains during programming operations.

Dummy cell programming maintains strong inversion states, suppressing de-trapping behavior and temporal read errors during idle periods.

Controller skips redundant test operations after erase cycles using error cell counts.

A NAND flash memory control circuit selectively outputs partial data sequences to a memory controller based on internal error detection and condition evaluation.

Initialization voltages induce compensation currents to counteract floating gate coupling, preserving threshold voltage separation and reading accuracy.

Reverse reading blocks read word lines opposite to programming order, buffering adjacent cell charge to compensate floating gate coupling shifts.

A weak erase operation removes charges from the tunneling nitride layer in charge-trapping memory devices.

An offset current source skews a sense amplifier in a twin-cell memory to detect time dependent dielectric breakdown shorts before they cause data loss.

Uniform precharging of channel regions in flash memory strings via specific bit line voltages to generate consistent channel boosting potential.

Sector-level erasure via multi-level row decoding distributes cell wear evenly, extending device lifespan beyond block-based limits.

A memory array with distributed charge trap reference cells enables single-ended current sensing through localized comparator circuits.

Multiple pass sensing applies segmented sense voltages to reduce word line voltage drop and enhance measurement precision.

Segmenting the page buffer into distinct sense and data latches resolves threshold voltage control limitations during multi-bit programming verification.

A trimming circuit counts clock changes to adjust internal voltage without a comparator.

A non-volatile memory read scheme uses distributed common mode feedback to adjust sense amp voltage levels for precise data detection.

Adjusting discharge periods based on word line position reduces voltage gradients and prevents data state shifts during read operations.

Controller determines reference voltage offsets based on read reference voltage shifts over time to adjust multi-level memory cell reads.

A 3-level memory cell design maps bit data to expanded threshold voltage intervals using a dedicated page buffer circuit.

Anti-fuse arrays store defective addresses to prevent erroneous refresh operations on redundant word lines, ensuring accurate memory reliability.

Segmenting a memory block into multiple source regions with dedicated drivers ensures uniform program and erase speeds across NAND strings.

A combo semiconductor memory apparatus adjusts high-level voltage output based on external input levels.

Anti-fuses in OTP memory short to deliver bias power, eliminating bulky body bias generators and reducing area.

Sharing transfer latches across multiple columns reduces the peripheral element area, increasing storage density on the die.

Selective bit-line lockout via current monitoring reduces sensing sub-cycles and noise coupling, improving performance while managing power limits.

Repeated read operations with a counter circuit narrow threshold voltage distributions caused by random telegraph noise in NAND flash memory.

A NOR flash memory circuit uses analog voltage generation to control source, well, and bit line potentials during data writing operations.

Controller computes workload statistics to dynamically limit erase suspend operations, reducing QoS penalties and word line disturb errors during high activity.

A repair control circuit replaces defective memory cell groups with redundancy resources within stacked arrays.

A buried ferroelectric layer in an SOI transistor gate electrode stores data non-volatily to increase information density.

Pre-pulse voltage application prevents hot-carrier injection and soft erase while reducing power consumption during read operations.

Dynamic erase verification voltage adjustment controls memory cell threshold distribution during semiconductor data erasing operations.

A two-phase bias circuit applies distinct voltage levels to clamp transistors during memory bit line precharge intervals.

Segmented memory cells enable parallel read operations to identify the last programmed cell, avoiding time-consuming sequential reads across multiple cells.

A removable memory system outputs distinct health statuses through external interfaces to signal internal degradation trends.

A temperature-dependent read compensation mechanism adjusts verify levels based on programming temperature to align threshold voltage distributions.

A hybrid nonvolatile memory cell uses a dual gate structure to enable flexible programming modes.

A storage controller determines a read retry sequence key to apply history read biases for memory cell recovery.

Dual charge traps in a semiconductor nonvolatile memory cell use varying programming voltages to maintain adequate current windows despite process variations.

Multilevel memory cells store error information in extra data states, correcting voltage coupling errors without reducing storage capacity.

Multi-voltage sensing distinguishes overlapping memory cell states to reduce errors caused by shrinking current windows.

Sector erase operations interrupt block erasure to execute read commands, resuming from the specific interrupted point to reduce total erase time.

Segmenting weights into stable zero-peaked storage and separate peak values resolves the trade-off between operational stability and computation accuracy.

Segmented control planes with wave pipelining reduce area overhead and leakage energy in neuromorphic inter-array communication networks.

A margin voltage applied to deselected wordlines reduces gate-to-drain stress, limiting bitline disturb from 60 mV to under 7 mV.