Unlock instant, AI-driven research and patent intelligence for your innovation.

Data storage device and method for operating data storage device

A technology of data storage and operation method, applied in the direction of electrical digital data processing, data processing input/output process, memory system, etc., can solve the problem of data storage device performance limitation, non-volatile memory operation characteristics, etc.

Active Publication Date: 2018-11-23
SILICON MOTION INC
View PDF5 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The performance of data storage devices is limited by the operating characteristics of non-volatile memory

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Data storage device and method for operating data storage device
  • Data storage device and method for operating data storage device
  • Data storage device and method for operating data storage device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] The following description lists various embodiments of the present invention. The following description introduces the basic concept of the present invention and is not intended to limit the content of the present invention. The actual scope of the invention should be defined by the claims.

[0043] Non-volatile memory can be flash memory (flash memory), magnetoresistive RAM (Magnetoresistive RAM), ferroelectric random access memory (Ferroelectric RAM), resistive memory (Resistive RAM, RRAM), spin transfer Torque Random Access Memory (Spin Transfer Torque-RAM, STT-RAM)... and other memory devices with long-term data storage. In the following, flash memory (flash memory) will be discussed as an example.

[0044] Today's data storage devices often use flash memory as the storage medium, which is often used to implement memory cards (memory cards), USB flash devices (USB flash devices), solid state drives (SSD, NVME, M.2, U.2) ... and other products. One application is...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a data storage device and a method for operating the data storage device. The data storage device includes a flash memory, a data processing module and a flash memory controller. Corresponding to the operation of a host, the flash memory controller arranges the flash memory to store data, and it stores a mapping table to record the mapping information between the flash memory and the logical address of the host. When the host transmits a trim command to invalidate a specific portion of the mapping table and the host manages to read the data of the specific portion, theflash memory controller sets up a flag to be open so that the data is transmitted to the host without the implement of the data processing module.

Description

technical field [0001] The present invention relates to data storage devices, and more particularly to trimming of non-volatile memories. Background technique [0002] There are many forms of non-volatile memory used in data storage devices—for example, flash memory (flash memory), magnetoresistive RAM (Magnetoresistive RAM), ferroelectric RAM (Ferroelectric RAM), resistive random access memory Access memory (Resistive RAM), spin transfer torque random access memory (Spin Transfer Torque-RAM, STT-RAM), etc., for long-term data storage. [0003] The performance of data storage devices is limited by the operating characteristics of non-volatile memory. An important issue in this field is to improve the performance of data storage devices. Contents of the invention [0004] The present invention discloses an integrated space trimming technology, so that when the host wants to read invalid data after space trimming, the data storage device can transmit fixed same data to the...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0614G06F3/0629G06F3/0644G06F3/0679G06F3/0619G06F3/0631G06F3/064G06F3/0659G06F12/0246G06F2212/7201G06F2212/7202G06F2212/7204G06F11/1004G06F11/1068
Inventor 许胜一
Owner SILICON MOTION INC
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com