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Title	Document #	Date
WIDE I/O 2 (WideIO2)	JESD229-2	Aug 2014
This standard defines Wide I/O 2 (WideIO2), including features, functionality, AC and DC characteristics, packages, and micropillar signal assignments. The purpose of this standard is to define the minimum set of requirements for JEDEC compliant, 8 Gb through 32 Gb SDRAM devices with 4 or 8 64-bit wide channels using direct chip-to-chip attach methods for between 1 and 4 memory devices and a controller/buffer device. The WideIO2 architecture is an evolution of the WIO architecture to enable bandwidth scaling with capacity. Committee(s): JC-42.6 Free download. Registration or login required.
REPLAY PROTECTED MONOTONIC COUNTER (RPMC) FOR SERIAL FLASH DEVICES	JESD260	Apr 2021
This document provides the requirements for an additional block called as Replay Protection Monotonic Counter. (RPMC) Replay Protection provides a building block towards providing additional security. This block requires modifications in both a Serial Flash device and Serial Flash Controller. The standard defines new commands for Replay Protected Monotonic Counter operations. A device that supports RPMC can support these new commands as defined in this standard. Committee(s): JC-42.4 Free download. Registration or login required.
168 Pin DRAM DIMM	MODULE4.5.1	Mar 1999
Release No.9 Committee(s): JC-42, JC-42.3 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
Secure Serial Flash Bus Transactions Release Number: Version 1.0	JESD254	Dec 2022
This standard describes SPI bus transactions intended to support Secure Flash operation on a serial memory device. The on-chip SFDP database described in JESD216 has been revised to include details about the secure transactions. This ballot does not describe the SFDP revisions or the secure packet structure. Patents(): Infineon- US 10868679B1 and Micron- US 9009394B2 Committee(s): JC-42, JC-42.4 Free download. Registration or login required.
SERIAL FLASH RESET SIGNALING PROTOCOL	JESD252.01	Apr 2021
This standard is intended for use by SoC, ASIC, ASSP, and FPGA developers or vendors interested in incorporating a signaling protocol for hardware resetting the Serial Flash device. In is also intended for use by peripheral developers or vendors interested in providing Serial Flash devices compliant with the standard. This standard defines a signaling protocol that allows the host to reset the slaved Serial Flash device without a dedicated hardware reset pin. Item 1775.06. Committee(s): JC-42.4 Free download. Registration or login required.
Addendum No. 2 to JESD79-3, 1.25 V DDR3U-800, DDR3U-1066, DDR3U-1333, and DDR3U-1600	JESD79-3-2	Oct 2011
The purpose of this addendum is to define the DDR3U specifications that supersede the DDR3 specifications in the JESD79-3. The use of DDR3-800, DDR3-1066, DDR3-1333, and DDR3-1600 titles in JESD79-3 are to be interpreted as DDR3U-800, DDR3U-1066, DDR3U-1333, and DDR3U-1600, respectively, when applying towards DDR3U definition; unless specifically stated otherwise. Item 1769.01 Committee(s): JC-42.3 Free download. Registration or login required.
COMMON FLASH INTERFACE (CFI) IDENTIFICATION CODES:	JEP137B	May 2004
This publication is a companion document to the Common Flash Interface (CFI) standard, JESD68, which outlines the device and host system software interrogation handshake. JEP137 documents ID Code assignments for: 1)) the Algorithm-specific Command Set and Control Interfaces and 2) the Device Interfaces. It is published as needed when additions are made to either of these lists of codes. To make a request for an ID Code please contact the JEDEC Office at (703)907-7558. Committee(s): JC-42.4 Free download. Registration or login required.
DOUBLE DATA RATE (DDR) SDRAM STANDARD	JESD79F	Feb 2008
This comprehensive standard defines all required aspects of 64Mb through 1Gb DDR SDRAMs with X4/X8/X16 data interfaces, including features, functionality, ac and dc parametrics, packages and pin assignments. This scope will subsequently be expanded to formally apply to x32 devices, and higher density devices as well The purpose of this Standard is to define the minimum set of requirements for JEDEC compliant 64Mb through 1Gb, X4/X8/X16 DDR SDRAMs. System designs based on the required aspects of this specification will be supported by all DDR SDRAM vendors providing JEDEC compliant devices. Committee(s): JC-42.3 Free download. Registration or login required.
Byte Wide	EPROM3.4.1	Jul 1997
Release No.9 Committee(s): JC-42, JC-42.2 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
Annex A: Differences between JESD21C Release 29 and its predecessor JESD21C, Release 28. Release Number: 29	AnnexA - JESD21C	Jan 2020
This table briefly describes the changes made to this standard, JESD21-C, Release 29, compared to its predecessor, JESD21C, Release 28. Committee(s): JC-42.2, JC-42.3 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
184 Pin DIMM Family Supplementary Design Standards	MODULE4.5.12	Oct 2000
Release No.10 Committee(s): JC-42 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
Graphics Double Data (GDDR4) SGRAM Standard Release Number: 16	SDRAM3.11.5.8 R16.01	Mar 2023
Item 1600.41, Terminology Update This document defines the Graphics Double Data Rate 4 (GDDR4) Synchronous Graphics Random Access Memory (SGRAM) standard, including features, functionality, package, and pin assignments. This scope may be expanded in future to also include other higher density devices. Committee(s): JC-42.3 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
168 Pin Unbuffered SDRAM DIMM	MODULE4.5.4	Jun 1999
Release No.9 Committee(s): JC-42 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
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.
Word Wide TTL and MOS SRAM	SRAM3.7.7	Apr 2007
Release No. 16. Item 1541.03 Committee(s): JC-42, JC-42.2 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
Byte Wide DRAM	DRAM3.9.3	Jun 1999
Release No. 9 Committee(s): JC-42 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
184 Pin, PC-1600/PC-2100 DDR SDRAM Unbuffered DIMM Design Specification.	MODULE4.20.5	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.
100-Pin DDR SDRAM Unbuffered 32b-DIMM Design Specification	MODULE4.20.9	Nov 2004
Release No. 14 Committee(s): JC-42, JC-45 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
Low Power Double Data Rate (LPDDR) Non-Volatile Memory (NVM) (Item 1674.17, 1674.16, 1674.20	NVRAM3.6.3	Feb 2009
Release No. 18A Committee(s): JC-42, JC-42.4 JESD21-C Solid State Memory Documents Main Page Free download. Registration or login required.
SYSTEM LEVEL ROWHAMMER MITIGATION	JEP301-1	Mar 2021
A DRAM rowhammer security exploit is a serious threat to cloud service providers, data centers, laptops, smart phones, self-driving cars and IoT devices. Hardware research and development will take time. DRAM components, DRAM DIMMs, System-on-chip (SoC), chipsets and system products have their own design cycle time and overall life time. This publication recommends best practices to mitigate the security risks from rowhammer attacks. Item 1866.02. Committee(s): JC-42 Free download. Registration or login required.

Standards & Documents Search

WIDE I/O 2 (WideIO2)

REPLAY PROTECTED MONOTONIC COUNTER (RPMC) FOR SERIAL FLASH DEVICES

168 Pin DRAM DIMM

Secure Serial Flash Bus Transactions

SERIAL FLASH RESET SIGNALING PROTOCOL

Addendum No. 2 to JESD79-3, 1.25 V DDR3U-800, DDR3U-1066, DDR3U-1333, and DDR3U-1600

COMMON FLASH INTERFACE (CFI) IDENTIFICATION CODES:

DOUBLE DATA RATE (DDR) SDRAM STANDARD

Byte Wide

Annex A: Differences between JESD21C Release 29 and its predecessor JESD21C, Release 28.

184 Pin DIMM Family Supplementary Design Standards

Graphics Double Data (GDDR4) SGRAM Standard

168 Pin Unbuffered SDRAM DIMM

184-Pin PC-2700 SDRAM Unbuffered DIMM - TSOP-Based DRAMs Design Specification

Word Wide TTL and MOS SRAM

Byte Wide DRAM

184 Pin, PC-1600/PC-2100 DDR SDRAM Unbuffered DIMM Design Specification.

100-Pin DDR SDRAM Unbuffered 32b-DIMM Design Specification

Low Power Double Data Rate (LPDDR) Non-Volatile Memory (NVM) (Item 1674.17, 1674.16, 1674.20

SYSTEM LEVEL ROWHAMMER MITIGATION

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