Scan control circuits float or drive TSV nodes in test modes to distinguish open and short failures in stacked memory dies.
Built-in jitter injection and signal comparison let the storage receiver tune offsets internally, improving yield and communication reliability.
Additional shunt rows pre-charge the source line to cut write-path resistance, boost MTJ-OTP write current, and lower power use.
Temporary PLRESET threshold adjustment, block retesting, and error correction reduce false bad blocks and premature die retirement.
Scheduling scan time offsets by voltage offset bin spreads memory block scans evenly, reducing QoS impact from temporal voltage shifts.
Queued wait requests and intermediate-node locking keep integrity tree searches running during parallel memory accesses without deadlock.
Dynamic ECC mode selection handles multi-bit soft failures in MCU memory, reducing resets and unnecessary data transfer.
A self-timed bypass path feeds test patterns directly to memory shadow logic, exposing transient and at-speed faults in ROM, TCAM, and HistoRAM.
Parallel plane-specific indicators detect leakage in nonvolatile memory blocks faster, helping isolate defects before data loss occurs.
Built-in MBIST and stored repair codes enable in-market memory defect recovery, improving reliability without external repair steps.
Unused redundancy columns are repurposed to refresh row-hammer cells selectively, improving defense accuracy while limiting power use.
Fixed positive pulses on bitlines and drain-side select gates during program exit suppress unselected block leakage and read errors.
Shifting memory power and ground tracks to the substrate backside frees frontside routing and lowers word-line resistance and coupling.
Selective media scanning uses per-block read counters to target the most stressed virtual block wordlines and reduce storage errors.
Laser annealing with a reflective film boosts impurity activation near memory pillars, improving source line conductivity and uniformity.
A dual-NVM controller uses separate backup banks to preserve running code, recover errors, and complete OTA upgrades without interrupting execution.
When multi-bit soft errors exceed ECC limits, smart load control restores memory from backup content without MCU reset.
A bridge switch routes divided internal voltage to a shared pad while OCD switches stay off in test mode to cut leakage and improve sensing accuracy.
Direct boot-time testing in the memory controller predicts overclocked memory stability faster by bypassing software overhead and latency.
Buried signal wires inside the substrate ease memory routing congestion while cutting parasitic resistance, capacitance, delay, and energy use.
Block-based scanning of 3D memory chips uses failed line and cell thresholds to simplify stacking defect analysis.
Pre-characterized fast and slow memory cells are converted into LLR inputs so the LDPC engine corrects errors faster in high-density storage.
Precharge and discharge timing at a word-line node reveals open, resistive, and short bonding defects in hybrid-bonded non-volatile memory.
An intermediary conversion chip bridges NRZ test equipment and PAM-based memory DUTs, improving test compatibility without new testers.
Recorded read-bias history lets SSD controllers skip test reads, cut latency, and maintain QoS during memory retrieval.
Linear and exponential impedance modeling replaces multiple SPICE models for NAND flash threshold voltages, improving accuracy and simulation speed.
Intermediate insulating layers and a doped vertical channel help 3D memory sub-stacks raise storage capacity without sacrificing reliability.
Independent die-level power switches isolate high standby current memory dies, cutting power use and simplifying failure analysis.
A bonded selector and MTJ structure enables MRAM programming with less external switching power and lower circuit complexity.
A two-part source contact penetrates insulating and semiconductor layers to support higher 3D memory stacking without losing structural stability.
Selective verification across a subset of memory planes cuts program-verify power and write time while preserving data reliability.
Per-bank option broadcasts let each memory bank receive trimming and column repair settings, improving memory performance and reliability.
Arbitration logic converts logical BISR settings to physical memory repair actions, preventing spare conflicts and memory errors in MBIST.
Interface-peaked dopant concentration in a switching material layer lowers threshold voltage and leak current in non-volatile storage selectors.
Shared dummy bit lines let 3D NAND stress tests sense floating dummy memory holes and detect shorts with less added circuitry.
Using a PN diode selector instead of a bi-directional MOS device helps non-volatile memory shrink cell area, raise current density, and reduce leakage.
Reordered hard and soft decision data cuts ECC decoding time and buffer demand in memory controllers while preserving error correction accuracy.
Parallel ECC decoding corrects symbol and multi-bit DRAM errors while detecting triple-bit faults to cut latency and protect data integrity.
Distributed CRC calculation across multiple dies verifies cross-die data efficiently, improving non-volatile memory correctness and reliability.
Parallel byte-lane screening finds failing memory lanes first, then measures their timing margins to cut test time without losing accuracy.
Concave and convex pad surfaces increase bonding area in stacked memory, reducing misalignment, contact failure, and interface resistance.
Spare-block substitution and per-die timing control help stacked memory improve yield while keeping read/write access timing manageable.
Shared redundancy latch groups let multiple memory sections reuse latch units, improving defect repair coverage while cutting DRAM circuit area.
An offset epitaxial SiGe PMOS channel improves threshold voltage and drive current while reducing leakage in scaled CMOS memory structures.
Built-in fail counters and column diagnostics identify failing addresses, cells, and local or global column faults during memory array testing.
A conductor-based separation region with insulating layers protects oxide films from fluorine gas erosion and prevents shorts between memory blocks.
Host-configured test patterns let a memory system emit debug signals without loading firmware, improving flexibility while reducing security risk.
Simultaneous digitline and conductive-via formation in stacked memory tiers shrinks the connection region and increases circuit density.
Block family scan results adjust media scan timing after power-on, cutting latency and bandwidth use while preserving retention detection.
Cross-die redundancy reroutes signals around column and interconnect failures in stacked memory dies, improving yield and storage capacity.