Solid state drive and operation method thereof

摘要

A solid state drive in accordance with embodiments of the present inventive concepts may include a nonvolatile memory, a volatile memory, a memory controller controlling the nonvolatile memory and the volatile memory, and a power generator providing power to the nonvolatile memory, the volatile memory, and the memory controller. A method of operating the solid state drive may include designating a bank that will perform a self refresh among a plurality of banks included in the volatile memory in response to a power saving mode signal. Information of the designated bank may be stored in a register in response to a command and an address signal; and a self refresh of the designated bank may be performed on the basis of the information stored in the register.

主权项

1. A method of operating a solid state drive, wherein the solid state drive comprises a nonvolatile memory, a volatile memory, a memory controller controlling the nonvolatile memory and the volatile memory, and a power generator providing power to the nonvolatile memory, the volatile memory, and the memory controller, wherein the method of operating the solid state drive comprises:
designating a bank to perform a self refresh among a plurality of banks included in the volatile memory in response to a power saving mode signal; storing information of the designated bank in a register in response to a command and an address signal; cutting off power from the power generator to the memory controller and the nonvolatile memory after the power saving mode signal is activated and then a predetermined time has elapsed; and performing a self refresh of the designated bank based on the information stored in the register.