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Title	Document #	Date
Addendum No. 1 to JESD79-4, 3D STACKED DRAM	JESD79-4-1A	Mar 2020
This document defines the 3DS DDR4 SDRAM specification, 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 compliant 8 Gbit through 128 Gbit for x4, x8 3DS DDR4 SDRAM devices. This addendum was created based on the JESD79-4 DDR4 SDRAM specification. Each aspect of the changes for 3DS DDR4 SDRAM operation was considered. Item 1727.58F Committee(s): JC-42.3C Free download. Registration or login required.
Annex M: Serial Presence Detect (SPD) for LPDDR3 and LPDDR4 SDRAM Modules, Release 1 Release Number: 25	SPD4.1.2.M-1	Nov 2015
Committee Document Reference Title: LPDDR3 and LPDDR4 SPD Document Release 1 Device Type Identifier: LP-DIMM Revision 1.0 This Annex describes the serial presence detect (SPD) values for all LPDDR modules. Differences between module types are encapsulated in subsections of this annex. These presence detect values are those referenced in the SPD standard document for ‘Specific Features’. The following SPD fields will be documented in the order presented in Section 2, with the exception of bytes 128~255 which are documented in separate sections, one for each family of module types. Further description of Byte 2 is found in Annex A of the SPD standard. Item 2254.01 Committee(s): JC-45 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
LOW POWER DOUBLE DATA RATE 3 SDRAM (LPDDR3)	JESD209-3C	Aug 2015
This document defines the LPDDR3 Standard, including features, functionalities, AC and DC characteristics, packages, and ball/signal assignments. The purpose of this standard is to define the minimum set of requirements for JEDEC compliant 4 Gb through 32 Gb for x16 and x32 SDRAM devices. This document was created using aspects of the following standards: DDR2 (JESD79-2), DDR3 (JESD79-3), LPDDR (JESD209), and LPDDR2 (JESD209-2). Committee Item no. 1798.11D. Patents(): A complete list of Assurance/Disclosure Forms is available to JEDEC members in the Members Area. Non-members can obtain individual Assurance/Disclosure Forms on request from the JEDEC office. Committee(s): JC-42.6 Available for purchase: $208.00 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.
204-Pin DDR3 SDRAM Unbuffered SODIMM Design Specification	MODULE4.20.18	May 2014
Release No. 24; Item 2114.44 Committee(s): JC-45, JC-45.3 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
Registration - 240 Pin DDR3 DIMM (Dual Inline Memory Module) Family with 1.00 mm pitch. DIM	MO-269J	Apr 2014
Item 11.14-163 Committee(s): JC-11, JC-11.14 JEP95 Registrations Main Page Free download. Registration or login required.

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