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Title	Document #	Date
DDR5 SERIAL PRESENCE DETECT (SPD) CONTENTS Release Number: Release 1.3	JESD400-5C	Sep 2024
This standard describes the serial presence detect (SPD) values for all DDR5 memory modules. In this context, “modules” applies to memory modules like traditional Dual In-line Memory Modules (DIMMs) or solder-down motherboard applications. The SPD data provides critical information about all modules on the memory channel and is intended to be use by the system's BIOS in order to properly initialize and optimize the system memory channels. Committee(s): JC-45 Free download. Registration or login required.
Low Power Double Data Rate 4 (LPDDR4)	JESD209-4E	Jun 2024
This document defines the LPDDR4 standard, including features, functionalities, AC and DC characteristics, packages, and ball/signal assignments. The purpose of this specification is to define the minimum set of requirements for a JEDEC compliant 16 bit per channel SDRAM device with either one or two channels. LPDDR4 dual channel device density ranges from 2 Gb through 32 Gb and single channel density ranges from 1 Gb through 16 Gb. Committee(s): JC-42, JC-42.6 Available for purchase: $374.00 Add to Cart To help cover the costs of producing standards, JEDEC is now charging for non-member access to selected standards and design files. Most of the content on this site remains free to download with registration. Paying JEDEC member companies enjoy free access to all content. Learn more and apply today. Paying JEDEC Members may login for free access.
184-Pin PC-2700 SDRAM Unbuffered DIMM - TSOP-Based DRAMs Design Specification	MODULE4.20.8	May 2021
Release No. 31 This revision contains terminology updates only. Committee(s): JC-42, JC-42.5 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
184 Pin Unbuffered SDR SDRAM DIMM Family	MODULE4.5.11	May 2021
Release No.31 This revision contains terminology updates only. Committee(s): JC-42 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
184 Pin Unbuffered DDR SDRAM DIMM	MODULE4.5.10	May 2021
Release No.31 This revision contains terminology updates only. Committee(s): JC-42, JC-42.3 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.

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