Memory system, memory controller and meta-information storage device

A technology of memory controller and memory system, applied in the fields of memory system, memory controller and meta-information storage device, can solve the problem of increasing mapping information time and the like

Pending Publication Date: 2020-12-08
SK HYNIX INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In this regard, due to various factors, the time to refer to the mapping information between logical addresses and physical addresses increases

Method used

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  • Memory system, memory controller and meta-information storage device
  • Memory system, memory controller and meta-information storage device
  • Memory system, memory controller and meta-information storage device

Examples

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Embodiment Construction

[0057] Various embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. In the following description, the same elements are denoted by the same reference numerals in all drawings. Also, in the following description of the present disclosure, well-known technical information may be omitted so as not to obscure the features and aspects of the present invention. Moreover, unless specifically stated otherwise, open-ended terms such as "comprises," "having," "comprising," etc. used in the description and claims should not be construed to be limited to the stated elements or operations. When an indefinite or definite article such as "a", "an", "the" is used to refer to a singular noun, it may include a plural of that noun unless expressly stated otherwise.

[0058] Also, terms such as first, second, A, B, (a) and (b) may be used when describing components of the present disclosure. These are used only for the purpose of disting...

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PUM

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Abstract

Embodiments of the disclosure relate to a memory system, a memory controller and a meta-information storage device. By providing a memory device configured to store mapping information between a logical address and a physical address, a memory controller configured to control the memory device and control a memory area in which mapping segments including some of the mapping information are storedand a meta-information storage device configured to store meta-information on the memory area, it is possible to provide a memory system, a memory controller and a meta-information storage device capable of processing a command received from a host as quickly as possible even when an SPO occurs.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2019-0066405 filed on June 5, 2019, which is incorporated herein by reference in its entirety. technical field [0003] Various embodiments generally relate to a memory system, a memory controller, and a meta information storage device. Background technique [0004] The memory system stores data based on a request from a host such as a computer, a mobile terminal such as a smartphone and a tablet, or any of various other electronic devices. The memory system may be of the type that stores data on a magnetic disk such as a hard disk drive (HDD), or on a non-volatile memory such as a solid state drive (SDD), universal flash memory (UFS) device, and embedded MMC (eMMC) device. Type in volatile memory. [0005] The memory system may further include a memory controller for controlling the memory device. The memory controller may receive commands from ...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F12/02
CPCG06F11/1441G06F12/0246G06F2212/7201G06F2212/7207G06F2212/7203G06F2212/466G06F2212/222G06F2212/1016G06F11/1435G06F11/1438G06F11/2017G06F3/0614G06F3/0658G11C16/10G06F2212/657G06F12/10
Inventor 姜寭美边谕俊
Owner SK HYNIX INC
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