数据存储系统、数据存储方法和存储介质

By using a combination of SRAM and DRAM in solid-state drives, the bottleneck of flash memory write operations is solved, writing speed is improved, energy consumption and hardware costs are reduced, and more efficient data storage is achieved.

CN116257176BActive Publication Date: 2026-07-17T HEAD (CHENGDU) SEMICONDUCTOR CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
T HEAD (CHENGDU) SEMICONDUCTOR CO LTD
Filing Date
2022-11-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In solid-state drives, write operations to flash memory become a bottleneck, leading to increased DRAM capacity requirements, putting pressure on the I/O throughput and energy efficiency of the memory controller, and increasing cost and heat dissipation requirements.

Method used

By using a combination of static random access memory (SRAM) and dynamic random access memory (DRAM), the memory controller divides the data into different parts and stores them in SRAM and DRAM respectively. The data is then combined and written when the flash memory is ready, reducing the reliance on high-capacity DRAM.

Benefits of technology

This improves the write speed of the memory controller, reduces energy consumption, lowers hardware costs and heat dissipation requirements, and enhances the overall efficiency of the solid-state drive.

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Abstract

本公开提供一种数据存储系统、数据存储方法和存储介质。数据存储系统包括主机、存储器控制器、DRAM和闪存,存储器控制器包括SRAM且被配置为:从主机接收包括待写入闪存的数据的写命令;将数据分割成第一部分和第二部分;将第一部分存储在存储器控制器的SRAM中,将第二部分存储到与存储器控制器通信耦合的DRAM中;使用存储器控制器的闪存转换层,发起与写命令相对应的配置操作;响应于闪存转换层指示的将数据存储到闪存中的就绪状态,从SRAM提取第一部分和从DRAM提取第二部分,对所提取的第一部分和第二部分进行组合;以及通过闪存转换层将组合的第一部分和第二部分存储到闪存中。本公开提高了存储器控制器的整体写入速度,并且降低了存储器控制器的能源消耗。
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