DDR4 NVDIMM-N DESIGN SPECIFICATION

JESD248A

Published: Mar 2018

This standard defines the electrical and mechanical requirements for 288-pin, 1.2 Volt (VDD), Double Data Rate, Synchronous SDRAM Nonvolatile Dual In-Line Memory Modules with NAND Flash backup (DDR4 NVDIMM-N). A DDR4 NVDIMM-N is a Hybrid Memory Module with a DDR4 DIMM interface consisting of DRAM that is made nonvolatile through the use of NAND Flash. NVDIMM-N modules adhere to the Byte Addressable Energy Backed Interface Standard, JESD245, that provides detailed logical behavior, interface, and register definitions. These DDR4 NVDIMM-N modules are intended for use as main memory or storage when installed in PCs. This standard is used in conjunction with JESD245.  Item 2233.27B

Committee(s): JC-45.6

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