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Memory

A memory and storage module technology, applied in the field of memory, can solve the problem of low efficiency of wear leveling algorithm, and achieve the effect of improving efficiency and reading and writing performance

Pending Publication Date: 2020-06-23
GIGADEVICE SEMICON (BEIJING) INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An embodiment of the present invention provides a memory to solve the problem of low efficiency of the wear leveling algorithm

Method used

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Embodiment Construction

[0019] 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.

[0020] 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, and the memory comprises a storage module which comprises a plurality of data blocks; a control module, the control module comprises a timestamp linked list; and the control module is used for updating the timestamp of the data block corresponding to the ith erasing operation in the timestamp linked list to be i when the ith erasing operation isexecuted, and triggering static loss equalization when the difference between the minimum timestamp and the maximum timestamp in the timestamp linked list is detected to be greater than or equal to atimestamp threshold. In the embodiment of the invention, the control module updates the timestamp linked list in real time when executing each erasing operation, and knows the timestamp when each datablock is used, the use sequence of all the data blocks in the storage module and the relative time length when the data blocks are placed through the timestamp linked list; whether the static loss equalization is triggered or not is judged according to the timestamp in the timestamp linked list, the number of erasure times of all blocks does not need to be scanned each time, and the efficiency ofthe static loss equalization algorithm is 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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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0616G06F3/0635G06F3/0644G06F3/0679Y02D10/00
Inventor 刘凯
Owner GIGADEVICE SEMICON (BEIJING) INC