JEDEC Solid State Technology Association, the global leader in standards development for the microelectronics industry, has announced that its JC-45 Committee has approved the first standards for support of "hybrid" DDR4 memory modules which are defined as modules that plug into standard dual in-line memory module (DIMM) sockets and appear like a DDR4 SDRAM to the system controller, yet contain non-volatile (NV) memories such as NAND Flash on the module. These hybrid module families are referred to as Non-Volatile DIMMs, or NVDIMMs, and they may share the memory channel with other standard DDR4 DIMMs. Publication is expected later this year.
"The introduction of hybrid memory modules into system platform architectures adds new levels of functionality to the computer memory hierarchy," said Mian Quddus, Chairman of JEDEC's JC-45 Committee for Dynamic Random Access Memory (DRAM) Modules. He added, "Non-volatile memory may be used for data persistence, mass storage, and the door is now opened for innovative new applications using the high speed of the DRAM channel. NAND Flash is the first non-volatile memory to be incorporated into the channel; however, the industry is poised for other memory types to be included as well. The framework established by JEDEC is flexible enough to allow for a variety of memories to be included under the 'hybrid' umbrella."
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