State-dependent read voltage threshold adaptation for nonvolatile memory

TJ Fisher, T Mittelholzer, N Papandreou… - US Patent …, 2019 - Google Patents
(57) ABSTRACT A controller adapts the read voltage thresholds of a memory unit in a non-
volatile memory. In one embodiment, the controller determines, based on statistics for a …

Generalized syndrome weights

E Sharon, S Achtenberg - US Patent App. 15/223,302, 2018 - Google Patents
A device includes a memory device and a controller. The controller is configured to
determine, based on data read from the memory device, a first count of bits of the data that …

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 …

Syndrome weight based evaluation of memory cells performance using multiple sense operations

Y Tate, T Ish-Shalom - US Patent 10,388,394, 2019 - Google Patents
A memory system includes an interface and storage circuitry. The interface is configured to
communicate with a plurality of memory cells that store data by setting the memory cells to …

Data storage device and adaptive data-reading method thereof

X Yang - US Patent 10,963,335, 2021 - Google Patents
(57) ABSTRACT A data storage device is provided. The data storage device includes a flash
memory and a controller. The flash memory includes a plurality of blocks for storing data and …

Dynamic multi-stage decoding

J Tao, C Niang-Chu, MJ Dancho, X Chen - US Patent 10,558,522, 2020 - Google Patents
According to aspects of the subject technology, a machine-implemented method is provided
that includes selecting a preliminary read-level voltage from a sequence of read-level …

Memory device, memory system including the same and operation method of the memory system

H Chung, YD Hur, H Lee, JR Kim - US Patent 10,884,848, 2021 - Google Patents
(57) ABSTRACT A memory device includes: an in-memory error correction code generating
circuit suitable for generating an in-memory error correction code based on a data received …

Memory system

T Tokutomi, M Shirakawa, M Takada… - US Patent …, 2019 - Google Patents
In general, according to an embodiment, a memory system includes a memory device
including a memory cell; and a controller. The controller is configured to: receive first data …

Reading of soft bits and hard bits from memory cells

J Fitzpatrick, S Parthasarathy, PR Khayat… - US Patent …, 2024 - Google Patents
A memory sub-system configured to execute a read command of a first type using a combine
process to read soft bit data and hard bit data from memory cells. For example, a memory …

Memory system, memory module, and operation method of memory system

H Chung - US Patent 11,188,417, 2021 - Google Patents
An operation method of a memory system including a memory controller and a memory
device may include transferring, by the memory controller, a first read command to the …