Recently Published Documents

The Flip Chip Tensile Pull Test Method is performed to determine the fracture mode and strength of the solder bump interconnection between the flip chip die and the substrate. It should be used to assess the consistency of the chip join process. This test method is a destructive test.

Designator: N/A
Item: 11.2-991, Access STP Files for CO-036A
Cross Reference: N/A

Item 142.01, 142.02.This section provides electrical interface items related to Multi-Chip Packages (MCP) and Stacked-Chip Scale Packages (SCSP) of mixed memory technologies including Flash (NOR and NAND), SRAM, PSRAM, LPDRAM, USF, etc. These items include die-on-die stacking within a single encapsulated package, package-on-package or module-in-package technologies, etc. The Section also contains Silicon Pad Sequence information for the various memory technologies to aid in the design and electrical optimization of the memory sub-system or complete memory stacked solution. 

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.

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 1727.58G

The manufacturers identification code is defined by one or more 8 bit fields, each consisting of 7 data bits plus 1 odd parity bit. The manufacturers identification code is assigned, maintained and updated by the JEDEC Office. The intent of this identification code is that it may be used whenever a digital field is required, e.g., hardware, software, documentation, etc. To make a request for an ID Code please go to http://www.jedec.org/Home/MIDCODE_request.cfm

This document specifies the enclosure form factor which can be used with various type of SSD devices: outline of the top and bottom enclosure, three screw holes to mount the enclosure on the system, and two clamping holes in the top enclosure to lock to the connector. Item 318.06.

This version is a minor editorial adding Annex B that was left out of the original publication October 2020.An NVDIMM-P device is defined as a LRDIMM memory module which provides host controller access to DRAM and/or other memory devices such as persistent memory.  A transactional protocol is described for NVDIMM-P, which may be used on a DDR interface allowing operation of both standard DRAM modules and NVDIMM-P modules on the same channel. Item 2233.98K.

This standard identifies the best commercial practices for mitigating and/or avoiding counterfeit products by all manufacturers of electronic parts including, but not limited to original component manufacturers (OCMs), authorized aftermarket manufacturers, and other companies that manufacture electronic parts under their own logo, name, or trademark. The types of product this standard applies to is limited to monolithic microcircuits, hybrid microcircuits and discrete semiconductor products.

This document is intended for use in the GaN power semiconductor and related power electronic industries and provides guidelines for test methods and circuits to be used for continuous-switching tests of GaN power conversion devices.

This document, while establishing the complex nature of System Level ESD, proposes that an efficient ESD design can only be achieved when the interaction of the various components under ESD conditions are analyzed at the system level. This objective requires an appropriate characterization of the components and a methodology to assess the entire system using simulation data. This is applicable to system failures of different categories (such as hard, soft, and electromagnetic interference (EMI)). This type of systematic approach is long overdue and represents an advanced design approach which replaces the misconception, as discussed in detail in JEP161, that a system will be sufficiently robust if all components exceed a certain ESD level.

Designator: PBGA-B#[#]_I80...
Item: 11.11-989, Access STP File for MO-216G
Cross Reference: DR4.5

This standard was created to facilitate the procurement and use of high reliability semiconductor microcircuits or discrete devices provided in bare die form, commonly known as Known Good Die (KGD).

This specification defines the electrical and mechanical requirements for Raw Card D, 288-pin, 1.2 Volt (VDD), Load Reduced, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM LRDIMMs). These DDR4 Load Reduced DIMMs (LRDIMMs) are intended for use as main memory when installed in PCs. Item 2204.23

This document defines the electrical and mechanical requirements for Raw Card B, 288-pin, 1.2 Volt (VDD), Unbuffered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM UDIMMs). These DDR4 Unbuffered DIMMs (UDIMMs) are intended for use as main memory when installed in PCs. Item 2231.26.

This specification defines the electrical and mechanical requirements for Raw Card E, 288-pin, 1.2 Volt (VDD), Load Reduced, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM LRDIMMs). These DDR4 Load Reduced DIMMs (LRDIMMs) are intended for use as main memory when installed in PCs. Item 2232.20.

This document defines the electrical and mechanical requirements for Raw Card A, 288-pin, 1.2 Volt (VDD), Unbuffered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM UDIMMs). These DDR4 Unbuffered DIMMs (UDIMMs) are intended for use as main memory when installed in PCs. Committee Item 2231.38A.

This annex describes the serial presence detect (SPD) values for all DDR4 modules covered in Document Release 6. 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’. Item 2220.01H. 

This standard specifies the characteristics of the UFS card electrical interface and the memory device. This document defines the added/modified features in UFS card compared to embedded UFS device. For other common features JESD220, UFS, will be referenced.

The Cycled Temperature-humidity-bias Life Test is performed for the purpose of evaluating the reliability of nonhermetic packaged solid state devices in humid environments. It employs conditions of temperature cycling, humidity, and bias that accelerate the penetration of moisture through the external protective material (encapsulant or seal) or along the interface between the external protective material and the metallic conductors that pass through it. The Cycled Temperature-Humidity-Bias Life Test is typically performed on cavity packages (e.g., MQUADs, lidded ceramic pin grid arrays, etc.) as an alternative to JESD22-A101 or JESD22-A110.

Definition for all DDRx component documents to reference. This is generic to any DDRxtechnology. Item 1842.34

This standard defines the assumptions for the system management bus for next generation memory solutions; covering the interface protocol, use of hub devices, and voltages appropriate to these usages. Item 2260.37C.

The mission of JEDEC is to serve the solid state industry by creating, publishing, and promoting global acceptance of standards, and by providing a forum for technical exchange on leading industry topics. This manual provides guidance for JEDEC members and staff to perform their functions correctly in the standardization process.