Adaptive read threshold voltage tracking with charge leakage mitigation using threshold voltage offsets

L Danjean, S Sankaranarayanan… - US Patent 10,276,233, 2019 - Google Patents
Adaptive read reference voltage tracking techniques are provided that employ charge
leakage mitigation. An exem plary device comprises a controller configured to: determine at …

Recovery combining hard decoding, soft decoding and artificial codeword generation

AN Jacobvitz, GA Kathawala, KS Stoev… - US Patent 10,552,259, 2020 - Google Patents
The present disclosure, in various embodiments, describes technologies and techniques for
use by a data storage controller for decoding codewords during an error correction read …

Memory system with hybrid decoding scheme and method of operating such memory system

N Kumar, A Bhatia, A Prabhakar, C Xiong… - US Patent …, 2021 - Google Patents
Memory controllers, decoders and methods execute a hybrid decoding scheme. An initial
iteration of decoding of a codeword is performed using a bit-flipping (BF) decoder or a min …

Read retry with targeted auto read calibrate

T Luo, KK Muchherla, HR Singidi, X Luo… - US Patent …, 2021 - Google Patents
Various examples are directed to systems and methods for reading a memory component. A
processing device may receive an indication that a read operation at a physical address of …

Memory system with hybrid decoding scheme with information exchange and method of operating such memory system

N Kumar, A Bhatia, F Zhang - US Patent 11,070,234, 2021 - Google Patents
Memory controllers, decoders and methods execute a hybrid decoding scheme with
exchange of information between multiple decoders. A first type of decoder performs initial …

Memory system

K Kurose, M Shirakawa - US Patent 11,099,931, 2021 - Google Patents
A memory system includes a semiconductor storage device and a memory controller
including a storage circuit that stores correction value for read voltages in association with …

Systems and methods for parametric PV-level modeling and read threshold voltage estimation

F Zhang, A Bhatia - US Patent 11,514,999, 2022 - Google Patents
Embodiments provide a scheme for parametric PV-level modeling and an optimal read
threshold voltage estimation in a memory system. A controller performs read operations on …

Deep learning based program-verify modeling and voltage estimation for memory devices

F Zhang, A Bhatia, H Wang - US Patent 11,430,530, 2022 - Google Patents
Devices, systems and methods for improving the performance of a memory device are
described. An example method includes obtaining a plurality of cell counts for each of a …

Overcoming saturated syndrome condition in estimating number of readout errors

Y Tate, E Yazovitsky, M Tsohar - US Patent 10,998,920, 2021 - Google Patents
A controller includes an interface and circuitry. The interface is coupled to multiple memory
cells. The circuitry stores a code word in a group of the memory cells, reads the code word …

Method and apparatus for performing data recovery in redundant storage system

HE Lien, CC Cheng, CK Yeh, CC Liang… - US Patent App. 15 …, 2017 - Google Patents
A method for performing data recovery in a redundant storage system and an associated
apparatus are provided. The method includes: determining a state of a cache block of a …