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1. WO2020092642 - PERFORMING AN ON DEMAND REFRESH OPERATION OF A MEMORY SUB-SYSTEM

Publication Number WO/2020/092642
Publication Date 07.05.2020
International Application No. PCT/US2019/058957
International Filing Date 30.10.2019
IPC
G11C 11/406 2006.01
GPHYSICS
11INFORMATION STORAGE
CSTATIC STORES
11Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
21using electric elements
34using semiconductor devices
40using transistors
401forming cells needing refreshing or charge regeneration, i.e. dynamic cells
406Management or control of the refreshing or charge-regeneration cycles
G11C 11/408 2006.01
GPHYSICS
11INFORMATION STORAGE
CSTATIC STORES
11Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
21using electric elements
34using semiconductor devices
40using transistors
401forming cells needing refreshing or charge regeneration, i.e. dynamic cells
4063Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
407for memory cells of the field-effect type
408Address circuits
G06F 12/1081 2016.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
12Accessing, addressing or allocating within memory systems or architectures
02Addressing or allocation; Relocation
08in hierarchically structured memory systems, e.g. virtual memory systems
10Address translation
1081for peripheral access to main memory, e.g. direct memory access
CPC
G06F 11/3419
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
30Monitoring
34Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; ; Recording or statistical evaluation of user activity, e.g. usability assessment
3409for performance assessment
3419by assessing time
G06F 12/0246
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
12Accessing, addressing or allocating within memory systems or architectures
02Addressing or allocation; Relocation
0223User address space allocation, e.g. contiguous or non contiguous base addressing
023Free address space management
0238Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
0246in block erasable memory, e.g. flash memory
G06F 2201/81
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2201Indexing scheme relating to error detection, to error correction, and to monitoring
81Threshold
G06F 2212/1016
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2212Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
10Providing a specific technical effect
1016Performance improvement
G06F 2212/2022
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2212Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
20Employing a main memory using a specific memory technology
202Non-volatile memory
2022Flash memory
G06F 2212/7201
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2212Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
72Details relating to flash memory management
7201Logical to physical mapping or translation of blocks or pages
Applicants
  • MICRON TECHNOLOGY, INC. [US]/[US]
Inventors
  • BRADY, Michael T.
Agents
  • PORTNOVA, Marina
  • KRUEGER, Paul
  • SHEKHER, Rahul
  • SHANGEETA, Rinat
Priority Data
16/177,21631.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PERFORMING AN ON DEMAND REFRESH OPERATION OF A MEMORY SUB-SYSTEM
(FR) RÉALISATION D'UNE OPÉRATION DE RAFRAÎCHISSEMENT À LA DEMANDE D'UN SOUS-SYSTÈME DE MÉMOIRE
Abstract
(EN)
A temporal attribute of user data stored in a memory component is identified. It is determined that the identified temporal attribute satisfies a time condition. An indication is provided whether a refresh operation of the user data improves performance of the memory component. A user input is received indicating to perform the refresh operation of the memory component. The refresh operation of the memory component is performed.
(FR)
L'invention concerne un attribut temporel de données d'utilisateur stockées dans un composant de mémoire qui est identifié. Il est déterminé que l'attribut temporel identifié satisfait une condition temporelle. Une indication est fournie pour savoir si une opération de rafraîchissement des données d'utilisateur améliore les performances du composant de mémoire. Une entrée d'utilisateur est reçue indiquant de réaliser l'opération de rafraîchissement du composant de mémoire. L'opération de rafraîchissement du composant de mémoire est réalisée.
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