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Memory

A memory and storage module technology, applied in the field of memory, can solve problems such as data loss in flash memory, achieve the effect of protecting data, improving security and stability, and solving data loss

Pending Publication Date: 2020-06-23
GIGADEVICE SEMICON (BEIJING) INC +1
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  • Abstract
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Problems solved by technology

[0005] The embodiment of the present invention provides a memory to solve the problem of data loss in flash memory caused by power failure

Method used

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through implementation with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Such as figure 1 As shown, it is a schematic diagram of a memory provided by an embodiment of the present invention. The memory can be any chip or device integrated with a memory module, such as an eMMC chip integrated with flash memory particles. In other embodiments, the memory can also be selected For other devices with integrated memory modul...

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Abstract

The embodiment of the invention discloses a memory, which comprises a memory module, the memory module comprises a plurality of data blocks and at least one backup block, each data block comprises a plurality of low significant bit pages and a plurality of high significant bit pages, and each high significant bit page corresponds to one low significant bit page; and the control module is electrically connected with the storage module and is used for detecting that the writing command of the first low significant bit page corresponding to the first high significant bit page is different from the current writing command when the data of the current writing command is written into the first high significant bit page, and backing up the data of the first low significant bit page into the backup block. According to the memory provided by the embodiment of the invention, the problem of lsb page data loss caused by msb page power failure in the prior art is solved, the power failure is effectively prevented, the data of a user is protected, and the safety and stability of the memory are improved.

Description

technical field [0001] Embodiments of the present invention relate to memory technologies, and in particular, to a memory. Background technique [0002] The eMMC (Embedded Multi Media Card, embedded multimedia) chip is an embedded memory mainly for products such as mobile phones or tablet computers. The eMMC chip integrates a controller that provides a standard interface and manages flash memory, so that mobile phone manufacturers using eMMC chips can focus on other parts of product development and shorten the time to market. [0003] The eMMC chip is mainly composed of a controller and a flash memory particle. Data is stored in the flash memory particle through a write operation, and data is read from the flash memory particle through a read operation. At present, the mainstream flash memory in the market is NAND flash, which has the advantages of small size, large capacity, and fast rewriting speed. It is suitable for storing large amounts of data and has been more and mo...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0619G06F3/0635G06F3/064G06F3/0679
Inventor 刘凯
Owner GIGADEVICE SEMICON (BEIJING) INC
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