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A non-volatile dual in-line memory module (NVDIMM) is a type of random-access memory for computers. Non-volatile memory is memory that retains its contents even when electrical power is removed, for example from an unexpected power loss, system crash, or normal shutdown. "Dual in-line" identifies the memory as using the DIMM package. NVDIMMs improve application performance and system crash recovery time. They enhance solid-state drive (SSD) endurance and reliability.
Memory device and operating method thereof, memory module and operating method thereof
A method for operating a non-volatile dual in-line memory module (NVDIMM) is disclosed. The NVDIMM includes a dynamic random access memory (DRAM) and a non-volatile memory (NVM) device, the DRAM including a first input / output (I / O) port and a second I / O port, and the second I / O port connected to the NVM device. The method includes receiving an externally provided command signal representing a read / write command and a transfer mode, driving a multiplexer according to the transfer mode of the command signal to select at least one of the first I / O port and the second I / O port, and reading or writing data in at least one of the DRAM and the NVM device according to the read / write command of the command signal using the at least one of the first I / O port and the second I / O port selected by driving the multiplexer.
Owner:SAMSUNG ELECTRONICS CO LTD