Samsung Electronics Co., Ltd.

Hwan-Chung Kim

Young Woo Jung

Bong-Gwan Seol

Eunju Park

Kyoungkuy Park

Jinwoo Kim

Youngsik Kim

Younggeun Lee

Hyun-Ju Kim

Jonghwan Lee

Jeonghoon Cho

Taekkyun Lee

Hae-Sung Bae

A storage device includes nonvolatile memories and a controller. The controller previously manages a correspondence relationship between physical addresses indicating the memory regions and stream identifiers, before first write data is received by the controller. The controller controls the nonvolatile memories such that the first write data is stored in a first memory region of a physical address which is managed corresponding to a first stream identifier of the first write data in the correspondence relationship. The first write data is transferred to the nonvolatile memories based on the correspondence relationship, regardless of whether second write data having a second stream identifier is received by the controller.

Storage device previously managing physical address to be allocated for write data

An operating method of a storage device which includes a nonvolatile memory and a memory controller configured to control the nonvolatile memory, may include tracking a clock signal; entering a vendor mode of the storage device when the clock signal corresponds to a vendor pattern; and maintaining a normal mode of the storage device when the clock signal does not correspond to the vendor pattern, wherein, in the normal mode, a command received from an external host device is executed according to a first rule, and wherein, in the vendor mode, the command received from the external host device is executed according to a second rule different from the first rule.

Storage device and operating method of storage device

A memory system includes a nonvolatile memory device including a first memory area formed of memory blocks which store n-bit data per cell and a second memory area formed of memory blocks which store m-bit data per cell, where n and m are different integers, and a memory controller configured to control the nonvolatile memory device. The memory controller is configured to execute a read operation, and to execute a read reclaim operation in which valid data of a target memory block of the second memory area is transferred to one or more memory blocks of the first memory area, the target memory block selected during the read operation. The read reclaim operation is processed as complete when all the valid data of the target memory block is transferred to the one or more memory blocks of the first memory area.

Memory system and read reclaim method thereof

Growing community of inventors

Namwon-si, South Korea

Hwan-Chung Kim