Read-Only Memories TRIZ Cases

A memory device operation method generates mapping rules from code counts to assign verifying voltage levels for programming.

Shielded paired word lines reduce voltage noise and charge leakage, boosting programming efficiency in high-density NAND arrays.

Differentiated boosting voltages on unselected cells reduce program disturb and Gate Induced Drain Leakage effects.

A repair device replaces failed memory cells with dummy cells from adjacent peripheral mats using selective signal control.

Memory cell programming mode adjusts based on erased and programmed state voltage gaps to reduce error bits.

Selective reprogramming narrows threshold voltage distribution, preventing errors caused by unintended charge injection and ensuring reliable data storage.

A control circuit lowers memory cell threshold voltage via precharge and pulse operations.

Segmented channel boosting with isolation voltages prevents program disturb in unselected NAND storage elements by blocking hot carrier injection.

An ISPP erase step increases erased cell threshold voltage distributions in multi-level cell flash memory.

Periodic charge pump activation limits peak currents to minimize power and ground noise, improving memory verification precision.

A nonvolatile memory device performs read refresh operations by cycling word line voltages to reduce cell disturbance and maintain threshold voltage stability.

Post-programming adjusts erased cell threshold voltage to reduce coupling effects and improve data read reliability.

Heating the junction above the blocking temperature reduces write current, lowering power consumption while maintaining speed.

Dynamic reference fail bit adjustment based on step voltage magnitude reduces unnecessary verify operations while maintaining data integrity.

Segmented word line control suppresses channel voltage drops during read operations, reducing threshold shifts and minimizing fail bits.

A memory device control circuit generates and probes page buffer signals through dedicated pads.

A program method for 3D memory devices applies distinct pass voltages to unselected word lines based on their vertical position relative to the selected cell.

Lead or silver doping suppresses arsenic cluster growth in the selector material layer, preventing film peeling and ensuring structural stability.

Segmenting bit lines into even and odd groups suppresses peak current and power consumption while maintaining data integrity.

Control logic segments memory blocks into independent string groups to improve threshold voltage distribution and reduce read failures.

Page buffers output pass signals when fail status bits remain below error correction code limits.

A semiconductor memory device adjusts verification voltages during writing stages to narrow threshold voltage distributions.

Dynamic pre-program verify bucket modulation decreases programming time while maintaining narrow charge distribution precision.

Adaptive write bit line current control circuits narrow the cell voltage distribution range while suppressing writing delays in nonvolatile memory arrays.

A program pulse generator creates transient signals to minimize coupling between word lines and selector gates.

A nonvolatile memory controller adjusts adjacent cell threshold voltages to correct read errors.

Page buffers compare read-out test data against estimated patterns via precharge transistors and latches, eliminating separate storage units for test results.

Segmenting non-volatile memory into blocks with flag memories enables data updates without rewritable flash, reducing manufacturing costs.

Segmented cell power voltage supply lowers consumption for distant bit cells while maintaining write speed near the driver.

A precharged drive line connected via a switch rapidly charges the wordline, reducing continuous pumping energy while maintaining voltage stability.

A non-volatile memory device re-programs multi-level cells using higher verify voltage levels for targeted data correction.

A skipping programming process programs non-adjacent word lines in rewritable memory to reduce cell-to-cell interference.

Holding internal voltage between operations eliminates recovery cycles, reducing power consumption and operation time in semiconductor memory devices.

A semiconductor memory device uses a current measurement circuit to detect bit line current changes and adjust read voltages.

A dedicated power controller bypasses the BIOS to manage the power gate, preventing unsafe shutdowns and preserving data integrity during power cycles.

A reconfigurable word line activation system applies distinct voltages to memory cells based on address space configuration.

Separating hard and soft repair data into distinct non-volatile and temporary circuits resolves the access speed bottleneck of existing memory devices.

Pre-charges even and odd bit lines to reduce capacitive coupling loading, improving read throughput in 3-D memory structures.

An inspection mechanism reads selected storage states to detect disturb effects and schedule remedial actions.

A memory controller calculates program operating times to determine optimal erase voltages for each word line.

Expanded programming window for non-volatile multilevel memory cells uses negative threshold voltages to increase density while reducing circuit complexity.

Configuring non-volatile memory cells as load elements eliminates extra transistors, reducing silicon area and simplifying bitline sensing circuitry.

Adjusting threshold voltages for semi-circle select gates to match full-circle erase speeds.

Control logic forms interface traps below source select transistors to facilitate gate-induced drain leakage current generation.

Alternating data streams across independent word line layers prevents data loss from open or short circuits without adding buffer memory.

A memory control circuit programs original data into a primary block and backup copies across multiple blocks with a word line offset.

Introducing a low-resistance shunting element between bitlines prevents threshold voltage shifts in neighboring cells by extracting parasitic charge buildup.

Switch instruction circuitry routes algorithm instructions between read-only memory and external t-latches to the microcontroller.

Setting analog memory cells to a retention programming level prevents reliability degradation caused by prolonged erased state retention.

A vertical channel memory device sets word lines to a floating state during precharge to supply holes for efficient cell erasure.