Design-Reuse

The Love/Hate Relationship with DDR SDRAM Controllers

Almost everyone knows that the bulk of DRAMs produced end up in desktop and laptop computers just like the one used to write this article. In fact, approximately 90% of all DRAMs produced are used in ...
Electronic Design

DDR FCRAM Boosts Performance In DDR SDRAM Designs

A modified form of synchronous DRAM technology, double-data-rate, fast-cycle random access memory (DDR FCRAM) is primarily focused at the networking market segment. Yet due to its high performance, it ...
Design-Reuse

DDR SDRAM Controller IP Designed for Reuse

This paper deals with reusability issues in the development of a double data rate (DDR) SDRAM controller module for FPGA-based systems. The development of integrated systems-on-a-chip (SoC) is based ...
EDN

Double Data Rate (DDR) SDRAM

Through onlinecomponents.com, Micron Technology feature their DDR SDRAM. The device uses adouble data ratearchitecture to achieve high-speed operation. Moreover, the device’s double data rate ...
TechRepublic

Implementation of DDR SDRAM Controller Using Verilog HDL

Now-a-days, DDR SDRAM (Double Data Rate Synchronous Dynamic Random Access Memory) has become the most popular class of memory used in computers due to its high speed, burst access and pipeline feature ...
GIZBOT

DDR2 Vs DDR3 Vs DDR4 Vs DDR5 RAM: How are they different

Double data rate synchronous dynamic random-access memory or DDR SDRAM, if you want to keep it simple is a type of memory integrated circuits that are being used in computers nowadays. RAM or ...
EDN

Implementing custom DDR and DDR2 SDRAM external memory interfaces in FPGAs (part 1)

These design guidelines provide the best practices for DDR and DDR2 SDRAM custom memory interface implementation in Stratix III and Stratix IV FPGAs. Figure 1 shows the design flow that is required ...
Electronic Design

The Vanishing Data Valid Window

There are many parameters, both electrical and physical, that contribute to the relative size of tDV and not all scale with operating speed. Factors such as signal noise, crosstalk, skew, jitter, and ...
Hexus

DDR Technology.

T. Despite this, DDR SDRAM (or Double Data-Rate Synchronous Dynamic Random Access Memory, if you prefer), is hardly a new product on a conceptual level, and has been featured in consumer graphics ...
ComputerBase

DDR bis DDR5: Fünf Generationen RAM im direkten Vergleich

Damals wie heute zählt für die Einstufung der Geschwindigkeit von RAM mehr als der effektive Speichertakt und insbesondere für Spieler ist die Speicherlatenz nicht selten äußerst relevant.
ixbt.com

Цоколевка модуля DDR SDRAM Registered DIMM

Примечание: в модуле 64bit Non-Parity DDR SDRAM Registered DIMM выводы 44, 45, 49, 51, 134, 135, 140, 142 и 144 не используются (DU — Don't Use). Выводы DQS[17:9] выполняют функции DM[8:0 ...