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Title	Document #	Date
SERIAL FLASH DISCOVERABLE PARAMETERS (SFDP) This document replaces JESD216F.01, Editorial changes to this document were approved by the TG, June 2022	JESD216F.02	Jun 2022
The Serial Flash Discoverable Parameter (SFDP) standard provides a consistent method of describing the functional and feature capabilities of serial flash devices in a standard set of internal parameter tables. These parameter tables can be interrogated by host system software to enable adjustments needed to accommodate divergent features from multiple vendors. Any company may request a Function Specific ID by making a request to the JEDEC office at juliec@jedec.org. Please include “Function Specific ID Request, JESD216” in the email subject line. Item 1775.73. Editorial changes listed in Annex, from original publication of JESD216F (December 2021). Committee(s): JC-42.4 Free download. Registration or login required.
LOW POWER DOUBLE DATA RATE 5 (LPDDR5)	JESD209-5B	Jun 2021
This document defines the LPDDR5 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 x16 one channel SDRAM device and x8 one channel SDRAM device. LPDDR5 device density ranges from 2 Gb through 32 Gb. This document was created using aspects of the following standards: DDR2 (JESD79-2), DDR3 (JESD79-3), DDR4 (JESD79-4), LPDDR (JESD209), LPDDR2 (JESD209-2), LPDDR3 (JESD209-3) and LPDDR4 (JESD209-4). Item 1854.99B. Committee(s): JC-42, JC-42.6 Available for purchase: $400.00 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.
LOW POWER DOUBLE DATA RATE (LPDDR5) Status: Superseded July 2021	JESD209-5A	Jan 2020
This document has been replaced by JESD209-5B, however remains on the JEDEC Website for reference use only. . Item 1854.99A Committee(s): JC-42.6 Available for purchase: $369.00 Add to Cart Paying JEDEC Members may login for free access.
DDR5 SDRAM Release Number: Version 1.2	JESD79-5B	Aug 2022
This standard defines the DDR5 SDRAM Specification, 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 8 Gb through 32 Gb for x4, x8, and x16 DDR5 SDRAM devices. This standard was created based on the DDR4 standards (JESD79-4) and some aspects of the DDR, DDR2, DDR3, and LPDDR4 standards (JESD79, JESD79-2, JESD79-3, and JESD209-4). Item 1848.99M. Committee(s): JC-42.3B Available for purchase: $369.00 Add to Cart Paying JEDEC Members may login for free access.
LOW POWER DOUBLE DATA RATE 2 (LPDDR2)	JESD209-2F	Jun 2013
This document defines the LPDDR2 specification, including features, functionalities, AC and DC characteristics, packages, and ball/signal assignments. This standard covers the following technologies: LPDDR2-S2A, LPDDR2-S2B, LPDDR2-S4A, LPDDR2-S4B, LPDDR2-N-A, and LPDDR2-N-B. The purpose of this standard is to define the minimum set of requirements for JEDEC compliant 64 Mb through 8 Gb for x8, x16, and x32 SDRAM devices as well as 64 Mb through 32 Gb for x8, x16, and x32 for NVM devices. Item 1725.01G. 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 Free download. Registration or login required.
LOW POWER DOUBLE DATA RATE 5 (LPDDR5) Status: Superseded JESD209-5A, January 2020	JESD209-5	Feb 2019
This document has been replaced by JESD209-5A, however remains on the JEDEC Website for reference use only. Committee(s): JC-42.6 Available for purchase: $355.00 Add to Cart Paying JEDEC Members may login for free access.
LOW POWER DOUBLE DATA RATE 4 (LPDDR4)	JESD209-4D	Jun 2021
This document defines the LPDDR4 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 a JEDEC compliant 16 bit per channel SDRAM device with either one or two channels. LPDDR4 dual channel device density ranges from 4 Gb through 32 Gb and single channel density ranges from 2 Gb through 16 Gb. This document was created using aspects of the following standards: DDR2 (JESD79-2), DDR3 (JESD79-3), DDR4 (JESD79-4), LPDDR (JESD209), LPDDR2 (JESD209-2) and LPDDR3 (JESD209-3). Committee Item: 1824.42D Committee(s): JC-42.6 Available for purchase: $327.00 Add to Cart Paying JEDEC Members may login for free access.
DDR3 SDRAM STANDARD	JESD79-3F	Jul 2012
This document defines the DDR3 SDRAM 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 512 Mb through 8 Gb for x4, x8, and x16 DDR3 SDRAM devices. This document was created based on the DDR2 standard (JESD79-2) and some aspects of the DDR standard (JESD79). Each aspect of the changes for DDR3 SDRAM operation were considered and approved by committee ballots). The accumulation of these ballots were then incorporated to prepare this standard (JESD79-3), replacing whole sections and incorporating the changes into Functional Description and Operation. Item 1627.14 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-42.3 Available for purchase: $247.00 Add to Cart Paying JEDEC Members may login for free access.
EXPANDED SERIAL PERIPHERAL INTERFACE (xSPI) FOR NONVOLATILE MEMORY DEVICES	JESD251C	May 2022
This standard specifies the eXpanded Serial Peripheral Interface (xSPI) for Non Volatile Memory Devices, which provides high data throughput, low signal count, and limited backward compatibility with legacy Serial Peripheral Interface (SPI) devices. It is primarily for use in computing, automotive, Internet Of Things (IOT), embedded systems and mobile systems, between host processing and peripheral devices. The xSPI electrical interface can deliver up to 400 MBytes per second raw data throughput. Item 1775.74. Committee(s): JC-42.4 Free download. Registration or login required.
DDR4 SDRAM STANDARD	JESD79-4D	Jul 2021
This document defines the DDR4 SDRAM specification, 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 2 Gb through 16 Gb for x4, x8, and x16 DDR4 SDRAM devices. This standard was created based on the DDR3 standard (JESD79-3) and some aspects of the DDR and DDR2 standards (JESD79, JESD79-2). Committee Item 1716.78H Committee(s): JC-42.3C Available for purchase: $284.00 Add to Cart Paying JEDEC Members may login for free access.
HIGH BANDWIDTH MEMORY (HBM3) DRAM	JESD238A	Jan 2023
The HBM3 DRAM is tightly coupled to the host compute die with a distributed interface. The interface is divided into independent channels. Each channel is completely independent of one another. Channels are not necessarily synchronous to each other. The HBM3 DRAM uses a wide-interface architecture to achieve high-speed, low power operation. Each channel interface maintains a 64 bit data bus operating at double data rate (DDR). 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, JC-42.2 Free download. Registration or login required.
GRAPHICS DOUBLE DATA RATE (GDDR5) SGRAM STANDARD Release Number: C.01 - Terminology update	JESD212C.01	Jan 2023
Terminology update. This document defines the Graphics Double Data Rate 5 (GDDR5) Synchronous Graphics Random Access Memory (SGRAM), including features, functionality, package, and pin assignments. The purpose of this Standard is to define the minimum set of requirements for JEDEC standard compatible 512 Mb through 8 Gb x32 GDDR5 SGRAM devices. System designs based on the required aspects of this standard will be supported by all GDDR5 SGRAM vendors providing JEDEC standard compatible devices. Some aspects of the GDDR5 standard such as AC timings and capacitance values were not standardized. Some features are optional and therefore may vary among vendors. In all cases, vendor data sheets should be consulted for specifics. Item 1733.70B 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-42.3C Free download. Registration or login required.
NAND FLASH INTERFACE INTEROPERABILITY	JESD230F	Oct 2021
This standard was jointly developed by JEDEC and the Open NAND Flash Interface Workgroup, hereafter referred to as ONFI. This standard defines a standard NAND flash device interface interoperability standard that provides means for system be designed that can support Asynchronous SDR, Synchronous DDR and Toggle DDR NAND flash devices that are interoperable between JEDEC and ONFI member implementations. Committee(s): JC-42.4 Free download. Registration or login required.
HIGH BANDWIDTH MEMORY (HBM) DRAM	JESD235D	Mar 2021
The HBM DRAM is tightly coupled to the host compute die with a distributed interface. The interface is divided into independent channels. Each channel is completely independent of one another. Channels are not necessarily synchronous to each other. The HBM DRAM uses a wide-interface architecture to achieve high-speed, low-power operation. The HBM DRAM uses differential clock CK_t/CK_c. Commands are registered at the rising edge of CK_t, CK_c. Each channel interface maintains a 128b data bus operating at DDR data rates. Also available for designer ease of use is HBM Ballout Spreadsheet (Note this version is the latest version for use with JESD235D). Committee item 1797.99L. Committee(s): JC-42.3C Available for purchase: $247.00 Add to Cart Paying JEDEC Members may login for free access.
GRAPHICS DOUBLE DATA RATE (GDDR5X) SGRAM STANDARD	JESD232A	Aug 2016
The purpose of this standard is to define the minimum set of requirements for JEDEC standard compatible 4 Gb through 16 Gb x32 GDDR5X SGRAM devices. System designs based on the required aspects of this standard will be supported by all GDDR5X SGRAM vendors providing JEDEC standard compatible devices. Some aspects of the GDDR5X standard such as AC timings were not standardized. Some features are optional and therefore may vary among vendors. In all cases, vendor data sheets should be consulted for specifics. Item 1827.99C Committee(s): JC-42.3, JC-42.3C Free download. Registration or login required.
GRAPHICS DOUBLE DATA RATE 6 (GDDR6) SGRAM STANDARD	JESD250C	Feb 2021
This document defines the Graphics Double Data Rate 6 (GDDR6) Synchronous Graphics Random Access Memory (SGRAM) specification, including features, functionality, package, and pin assignments. The purpose of this Specification is to define the minimum set of requirements for 8 Gb through 16 Gb x16 dual channel GDDR6 SGRAM devices. System designs based on the required aspects of this standard will be supported by all GDDR6 SGRAM vendors providing compatible devices. Some aspects of the GDDR6 standard such as AC timings and capacitance values were not standardized. Some features are optional and therefore may vary among vendors. In all cases, vendor data sheets should be consulted for specifics. This document was created based on some aspects of the GDDR5 Standard (JESD212). Item 1836.99E. Committee(s): JC-42.3C Free download. Registration or login required.
Word Wide SDRAM.	SDRAM3.11.4	Feb 2008
Release No. 17. Item 1749.01 Committee(s): JC-42.3 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 Paying JEDEC Members may login for free access.
DDR2 SDRAM STANDARD	JESD79-2F	Nov 2009
This comprehensive standard defines all required aspects of 256Mb through 4Gb DDR2 SDRAMs with x4/x8/x16 data interfaces, including pinout, addressing, functional description, features, ac and dc parametrics, truth tables, and packages. Standard JESD79-2 uses a SSTL_18 interface, which is described in another JEDEC standard called JESD8-15. The purpose of this Standard is to define the minimum set of requirements for compliant devices 256Mb through 4Gb, x4/x8/x16 DDR2 SDRAMs. System designs based on the required aspects of this specification will be supported by all DDR2 SDRAM vendors providing compliant devices. Changes between versions is indicated in Annex A. Item 1778.01 Committee(s): JC-42, JC-42.3 Free download. Registration or login required.
Addendum No. 1 to JESD251 - OPTIONAL x4 QUAD I/O WITH DATA STROBE	JESD251-1.01	Sep 2021
This purpose of the addendum is to add an optional 4-bit bus width (x4) to JESD251, xSPI standard. The xSPI interface currently supports a x1 interface that acts as a bridge to legacy SPI functionality as well as the x8 interface intended to achieve dramatically higher bus performance than legacy SPI memory implementations. Item 1775.15. This is an editorial revision to JESD251-1, October 2018 Committee(s): JC-42.4 Free download. Registration or login required.

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