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Storage device and control method and control device thereof

A technology of a storage device and a control method is applied in the storage field to achieve the effects of reducing the influence of programming obstacles and improving programming efficiency

Pending Publication Date: 2021-06-11
GIGADEVICE SEMICON (BEIJING) INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the original data input by the user is FFh (that is, there is no bit line to be programmed), then a programming operation will be done in vain.

Method used

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  • Storage device and control method and control device thereof
  • Storage device and control method and control device thereof
  • Storage device and control method and control device thereof

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Embodiment Construction

[0033] 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.

[0034] refer to figure 1 As shown, it is a schematic diagram of a storage device provided by an embodiment of the present invention, refer to figure 2 As shown in FIG. 2 , it is a flowchart of a method for controlling a storage device provided by an embodiment of the present invention. The storage device provided in this embodiment may be a flash memo...

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Abstract

The embodiment of the invention discloses storage equipment and a control method and device thereof, and the control method comprises the steps: receiving a first programming instruction, and verifying the programming data in the first programming instruction; If it is detected that the programming data in the first programming instruction contains valid programming data, executing a programming operation. In the embodiment of the invention, the programming data is verified before the programming operation is executed, and the programming operation is executed only when the effective programming data is contained; on the contrary, when only invalid programming data exist, the programming operation is not executed. Therefore, when the original data input by the user is invalid programming data, namely FFh, the programming operation is not performed, so that one-time programming operation is avoided, the programming hindering influence on the storage unit is reduced, and the programming efficiency is improved.

Description

technical field [0001] Embodiments of the present invention relate to storage technologies, and in particular, to a storage device and a control method and device thereof. Background technique [0002] Nand flash memory is a kind of flash memory, which uses a non-linear macro-cell mode inside, which provides a cheap and effective solution for the realization of solid-state large-capacity memory. Nand flash memory has the advantages of large capacity and fast rewriting speed, and is suitable for the storage of large amounts of data, so it has been more and more widely used in the industry, such as embedded products including digital cameras, MP3 walkman memory cards, small size U disk, etc. [0003] When Nand flash is performing a programming operation, no matter what the programming data input by the user is, first apply a higher voltage to the selected word line, tunnel the electrons in the substrate to the floating gate, and then perform programming verification, if If t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C16/34
CPCG11C16/3481G11C16/3459
Inventor 贺元魁潘荣华
Owner GIGADEVICE SEMICON (BEIJING) INC