Solid-State disk with Double Data Rate DRAM interface for high-performance PCS

Dong Kim, Kwanhu Bang, Seung Hwan Ha, Chanik Park, Sung Woo Chung, Eui-Young Chung

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We propose a Solid-State Disk (SSD) with a Double Data Rate (DDR) DRAM interface for high-performance PC s. Traditional SSD s simply inherit the interface protocol of Hard Disk Drives (HDD) such as Parallel Advanced Technology Attachment (PATA) or Serial-ATA (SATA) for maintaining the compatibility. However, SSD itself provides much higher performance than HDD, hence the interface also needs to be enhanced. Unlike the traditional SSD s, the proposed SSD with DDR DRAM interface is placed in the North Bridge which provides two or more DDR DRAM interface ports in high-performance PC s. The novelty of our work is on DQS signaling scheme which allows arbitrary Column Address Strobe (CAS) latency unlike typical DDR DRAM interface scheme. The experimental results show that the proposed SSD maximally outperforms the traditional SSD by 8.7 times in read mode, by 1.5 times in write mode. Also, for synthetic workloads, the proposed scheme shows performance improvement over the conventional architecture by a factor of 1.6 times.

Original languageEnglish
Pages (from-to)727-731
Number of pages5
JournalIEICE Transactions on Information and Systems
VolumeE92-D
Issue number4
DOIs
Publication statusPublished - 2009 Jan 1

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Dynamic random access storage
Hard disk storage

All Science Journal Classification (ASJC) codes

  • Software
  • Hardware and Architecture
  • Computer Vision and Pattern Recognition
  • Artificial Intelligence
  • Electrical and Electronic Engineering

Cite this

Kim, Dong ; Bang, Kwanhu ; Ha, Seung Hwan ; Park, Chanik ; Chung, Sung Woo ; Chung, Eui-Young. / Solid-State disk with Double Data Rate DRAM interface for high-performance PCS. In: IEICE Transactions on Information and Systems. 2009 ; Vol. E92-D, No. 4. pp. 727-731.
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Solid-State disk with Double Data Rate DRAM interface for high-performance PCS. / Kim, Dong; Bang, Kwanhu; Ha, Seung Hwan; Park, Chanik; Chung, Sung Woo; Chung, Eui-Young.

In: IEICE Transactions on Information and Systems, Vol. E92-D, No. 4, 01.01.2009, p. 727-731.

Research output: Contribution to journalArticle

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