Recovery strategy that reduces errors misidentified as reliable

AHS Alhussien, EF Haratsch, ET Cohen… - US Patent 9,367,389, 2016 - Google Patents
(57) ABSTRACT A method for applying a sequence of sensing/read reference voltages in a
read channel includes (A) setting a read window based on an estimate of a read channel.(B) …

Read level tracking and optimization

RD Barndt, AG Cometti, RL Galbraith… - US Patent …, 2019 - Google Patents
Systems and methods for read level tracking and optimiza tion are described. Pages from a
wordline of a flash memory device read and the raw page data read from the wordline may …

Memory system and method of operating memory system using soft read voltages

DS Byeon, BG Kim, JW Park - US Patent 8,923,067, 2014 - Google Patents
BACKGROUND The inventive concept relates to a memory device and memory system, and
a method of operating the memory device and memory system, and more particularly, to a …

Multiple retry reads in a read channel of a memory

AHS Alhussien, Y Wu, S Sankaranarayanan… - US Patent …, 2016 - Google Patents
An apparatus having a circuit and a decoder is disclosed. The circuit is configured to (i)
adjust an initial one of a plurality of reference voltages in a read channel of a memory by …

Systems and methods for inter-cell interference mitigation in a flash memory

F Zhang, S Li, J Xiao, H Xia - US Patent 9,235,469, 2016 - Google Patents
The present inventions are related to systems and methods for accessing data from a flash
memory, and more particularly to systems and methods for inter-cell interference handling in …

Optimal read threshold estimation

N Kumar, FKH Lee, CS Tsang, L Zeng - US Patent 9,741,431, 2017 - Google Patents
An optimal read threshold estimation method includes deter mining a flip difference
corresponding to an optimal step size opt estimating a first slope m, at a first read point and a …

Systems and methods for inter-cell interference mitigation in a flash memory

F Zhang, S Li, J Xiao, H Xia - US Patent 10,204,007, 2019 - Google Patents
Primary Examiner—Esaw T Abraham (74) Attorney, Agent, or Firm—Holland & Hart LLP (57)
ABSTRACT The present inventions are related to systems and methods for accessing data …

Read threshold calibration for LDPC

CC Varanasi, GL Cadloni - US Patent 9,306,600, 2016 - Google Patents
Apparatuses and methods for soft read threshold location calibration are provided. One
example method can include selecting read threshold sets (RTSs), and determining log …

Efficient bin labeling schemes for tracking cells in solid state storage devices

HH Lee, L Zeng, FKH Lee, J Bellorado - US Patent 9,390,002, 2016 - Google Patents
Information associated with a read to Solid State storage is received, including a read
number and a read value. The read value is written to a location in a celland bin map …

Summarizing statistical data for database systems and/or environments

C Luo, H Yuan, G Wang - US Patent 10,795,868, 2020 - Google Patents
Database values and their associated indicators can be arranged in multiple “buckets.”
Adjacent buckets can be combined into a single bucket successively based one or more …