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Solid state storage device and data storage method thereof

A technology for solid-state storage and data storage, which is applied in the field of solid-state storage devices and data storage, which can solve the problems of stored data elapsed, and achieve the effect of increasing storage time and reducing risks

Inactive Publication Date: 2014-07-16
LITE ON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Generally speaking, when the stored data is recorded in the non-volatile memory for a long time without being updated, there is a risk of the stored data being lost
And this risk is ongoing no matter when the solid-state storage device is operating or when no power is provided

Method used

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  • Solid state storage device and data storage method thereof
  • Solid state storage device and data storage method thereof
  • Solid state storage device and data storage method thereof

Examples

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Embodiment Construction

[0042] The data storage method of the solid-state storage device of the present invention, the solid-state storage device is connected to a host, comprising the following steps: when the solid-state storage device receives a power supply, receiving a current date data output by the host; when the host generates When a control command is executed, the control command of the host is executed; wherein, when the control command is a write command, a new storage data is written into a flash memory; when the host does not generate the control command, the read A first stored data in the plurality of stored data in the flash memory; comparing a stored date data in the first stored data with the current date data to generate a time period; and, when the time period is greater than a preset Periodically, after updating the current date data after the first stored data, write the updated first stored data into other positions of the flash memory; wherein, the new stored data at least inc...

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Abstract

A data storage method of a solid state storage device includes following steps: receiving current date data output by a host computer when the solid state storage device receives a supply power source; executing a control instruction when the host computer generates the control instruction; writing new storage data into a flash memory when the control instruction is a write instruction; reading the first record of storage data in multiple records of storage data in the flash memory when the host computer does not generate the control instruction; comparing storage date data in the first record of the storage data with the current date data, and generating a time period; when the generated time period is longer than a preset period, enabling the current date data to be behind the first record of the storage data by updating the current date data and the first record of the storage data, and writing the first record of the storage data which is updated into another position of the flash memory. The new storage data at least comprises user data, an error correcting code and the current date data, and the current date data represents storage date data of the new storage data.

Description

technical field [0001] The present invention relates to a solid-state storage device, and in particular to a solid-state storage device and a data storage method thereof. Background technique [0002] As we all know, a solid state storage device (Solid State Drive, SSD) uses a non-volatile memory (non-volatile memory) as a main storage component. That is to say, after the data is written into the non-volatile memory, once the system power is turned off, the data is still stored in the solid-state storage device. Wherein, the non-volatile memory can be flash memory (flash memory) [0003] Please refer to figure 1 , which is a schematic diagram of an electronic device and its solid-state storage device. The electronic device 50 includes at least a host 12 and a solid state storage device 10 . Wherein, the solid state storage device 10 includes a control unit 101 and a flash memory 105 . On the outside of the solid state storage device 10 , the control unit 101 transmits c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/16
CPCG06F11/1068G11C16/349
Inventor 张昆昌
Owner LITE ON TECH CORP
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