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Data storage method and storage equipment

A technology for data storage and storage devices, applied in the field of data storage methods and storage devices, can solve problems such as economic losses, increase product production costs, and data that cannot be erased, and achieve elimination of influence, loss, and write-once. The effect of the probability of sexual memory

Inactive Publication Date: 2021-04-20
NANCHANG OUFEI BIOLOGICAL IDENTIFICATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One-time (One Time Programmable, OTP) memory can only be programmed once, that is, after the data is written once, it cannot be erased and written again. After that, the data can only be read.
[0003] However, once wrong data is written in the one-time memory, it will affect the performance of the entire product, and the one-time memory can only be replaced with a new one-time memory, and the data is rewritten for the new one-time memory. lead to complicated operation process
If wrong data is written into the one-time memory during mass production, it will cause serious economic losses and increase the production cost of the product

Method used

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Experimental program
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Embodiment Construction

[0013] The working process of the data storage method and the storage device of the present application will now be described in detail in conjunction with the accompanying drawings.

[0014] see figure 1 , figure 1 It is a schematic flowchart of a data storage method disclosed in the embodiment of this application. In the embodiment of the present application, the data storage method is applied to a data storage device, and the storage device can be applied to a fingerprint module to store fingerprint data or applied to other devices, which is not limited in the embodiment of the present application. The storage device can store data, and other functional modules can also read the stored data from the storage device.

[0015] Such as figure 1 As shown, the data storage method includes the following steps:

[0016] In the embodiment of the present application, after the storage device is powered on with the fingerprint module or other devices containing the storage device ...

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Abstract

The invention discloses a data storage method and storage equipment for executing the data storage method. The method comprises the following steps of: writing data into an erasable memory as write-in data; judging whether the written data is correct data or not; and if the write-in data is error data, erasing the write-in data in the erasable memory, and writing the data into the erasable memory again; if the written data is correct data, writing the data into a disposable memory as read-only data.

Description

technical field [0001] The present application relates to the field of data storage in semiconductor devices, in particular to a data storage method and a storage device. Background technique [0002] In hardware protection or products with high data security requirements, in order to ensure data security, one-time memory is often used for data storage. A one-time (One Time Programmable, OTP) memory can only be programmed once, that is, after data is written once, it cannot be erased and written again. After that, only data can be read. [0003] However, once wrong data is written in the one-time memory, it will affect the performance of the entire product, and the one-time memory can only be replaced with a new one-time memory, and the data is rewritten for the new one-time memory. lead to complicated operation procedures. If wrong data is written into the one-time memory during mass production, serious economic loss will be caused and the production cost of the product w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/02G06F12/16
Inventor 熊金星
Owner NANCHANG OUFEI BIOLOGICAL IDENTIFICATION TECH