STORAGE DEVICE, OPERATION METHOD OF STORAGE DEVICE, AND STORAGE SYSTEM USING THE SAME

A storage device includes a nonvolatile memory device and a storage controller. The storage controller includes a multi-protocol host interface circuit that receives a first-type request including a first logical address from an external host and transmits/receives data corresponding to the first-ty...

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Bibliographic Details
Main Authors KI, YANG SEOK, JEONG, WONSEB, YOON, CHANHO, SEO, JUNGMIN, YOO, YOUNGGEON, JUNG, MYUNGJUNE, WOO, SANGOAK, SHIN, BEOMKYU
Format Patent
LanguageEnglish
Published 29.06.2023
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A storage device includes a nonvolatile memory device and a storage controller. The storage controller includes a multi-protocol host interface circuit that receives a first-type request including a first logical address from an external host and transmits/receives data corresponding to the first-type request with the external host by a block unit. Additionally, the multi-protocol host interface circuit receives a second-type request including a first physical address from the external host and transmits/receives data corresponding to the second-type request with the external host by a unit smaller than the block unit. A mapping cache manager manages an address translation table cache, sends an address translation request including the first physical address to the external host, and receives a response including mapping information corresponding to the first physical address from the external host.
Bibliography:Application Number: US202217680773