Global Standards for the Microelectronics Industry
Standards & Documents Search
Title | Document # |
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DDR5 Unbuffered Dual Inline Memory Module with 4-bit ECC (EC4 UDIMM) Raw Card D AnnexRelease Number: Version 1.1 |
JESD308-U4-RCD | Mar 2025 |
This annex JESD308-U4-RCD, DDR5 Unbuffered Dual Inline Memory Module with 4-bit ECC (EC4UDIMM) Raw Card D Annex defines the design detail of x8, 1 Package Rank DDR5 UDIMM with 4-bit ECC. The common feature of DDR5 UDIMM such as the connector pinout can be found in the JESD308, DDR5 Unbuffered Dual Inline Memory Module (UDIMM) Common Standard. Free download. Registration or login required. |
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DDR5 Registered Dual Inline Memory Module with 8-bit ECC (EC8 RDIMM) Raw Card D AnnexRelease Number: Version 2.00 |
JESD305-R8-RCD | Feb 2025 |
This standard, JESD305-R8-RCD, DDR5 Registered Dual Inline Memory Module with 8-bit ECC (EC8 RDIMM) Raw Card D Annex, defines the design detail of x8, 1 Package Rank DDR5 RDIMM with 8-bit ECC. The common feature of DDR5 RDIMM, such as the connector pinout, can be found in the JESD305, DDR5 Registered Dual Inline Memory Module (RDIMM) Common Standard. Free download. Registration or login required. |
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DDR5 Registered Dual Inline Memory Module with 8-bit ECC (EC8 RDIMM) Raw Card C AnnexRelease Number: Version 2.00 |
JESD305-R8-RCC | Feb 2025 |
This standard, JESD305-R8-RCC, DDR5 Registered Dual Inline Memory Module with 8-bit ECC (EC8 RDIMM) Raw Card C Annex, defines the design detail of x4, 1 Package Rank DDR5 RDIMM with 8-bit ECC. The common feature of DDR5 RDIMM, such as the connector pinout, can be found in the JESD305, DDR5 Registered Dual Inline Memory Module (RDIMM) Common Standard. Free download. Registration or login required. |
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DDR5 Registered Dual Inline Memory Module (RDIMM) Common StandardRelease Number: Version 2.00 |
JESD305A | Feb 2025 |
This standard defines the electrical and mechanical requirements for 288-position, 1.1 Volt (VDD and VDDQ), DDR5 Registered (RDIMM), Double Data Rate (DDR), Synchronous DRAM Dual In-Line Memory Modules (DIMM). These Registered DDR5 SDRAM DIMMs are intended for use in server, workstation, and database environments. Free download. Registration or login required. |
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DDR5 Clocked Unbuffered Dual Inline Memory Module with 4-bit ECC (EC4 CUDIMM) Raw Card E AnnexRelease Number: Version 1.00 |
JESD323-B4-RCE | Feb 2025 |
This annex, JESD323-B4-RCE, “DDR5 Clocked Unbuffered Dual Inline Memory Module (CUDIMM) Raw Card E Annex" defines the design detail of x8, 2 Package Ranks DDR5 CUDIMM. The common feature of DDR5 CUDIMM such as the connector pinout can be found in the JESD323, DDR5 Clocked Unbuffered Dual Inline Memory Module (CUDIMM) Common Standard. Free download. Registration or login required. |