Global Standards for the Microelectronics Industry
JEDEC Committee:
JC-45 DRAM Modules
The scope of JC-45 is to develop standards for DRAM modules, cards, and socket interfaces. These standards are to address architectural, electrical, test, and SPD issues relating to memory design and manufacturing for commercial applications.
Memory module is defined as a single or multiple PCBs that predominantly include multiple memory, logic, and passive devices in a planar or 3D layout for use with sockets.
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Recent Documents
DDR5 Serial Presence Detect (SPD) Contents | JESD400-5A.01 | Jan 2023 |
JEDEC MODULE SIDEBAND BUS (SidebandBus) | JESD403-1B | Aug 2022 |
DDR5 SODIMM Raw Card Annex B. Version 1.0 | JESD309-S0-RCB | Aug 2022 |
DDR5 UDIMM Raw Card Annex A | JESD308-U0-RCA | Jul 2022 |
DDR5 UDIMM Raw Card Annex A | JESD308-U0-RCA | Jul 2022 |
DDR5 UDIMM Raw Card Annex E | JESD308-U4-RCE | Jul 2022 |
DDR5 UDIMM Raw Card Annex B | JESD308-U0-RCB | Jul 2022 |
DDR5 UDIMM Raw Card Annex C | JESD308-U0-RCC | Jul 2022 |
DDR5 SODIMM Raw Card Annex E | JESD309-S4-RCE | Jun 2022 |
DDR5 SODIMM Raw Card Annex D Version 1.0 | JESD309-S4-RCD | Jun 2022 |