EDN

Implementing custom DDR and DDR2 SDRAM external memory interfaces in FPGAs (part 2)

Note: This is the second part of a two-part article covers the remaining steps to implement DDR or DDR2 external memory interfaces (EMIFs) using FPGAs via ALTDLL and ALTDQ_DQS megafunctions. Steps 4 ” ...
Hexus

DDR and DDR2 Explained

In this article we will be exploring the differences between DDR memory and DDR2 memory and also explaining a bit about the technology behind the two. Firstly, DDR stands for Dual Data Rate and is the ...
PC Magazine

DDR vs. DDR2 vs. DDR3: Types Of RAM Explained

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. At its most basic, DDR3 is the current standard for system ...
Digit

EVM EVMT2G8000S86P 2 GB DDR2-800 Laptop RAM

Verdict: The EVM EVMT2G8000S86P 2 GB DDR2-800 Laptop RAM stands out with its . Designed for users who demand the best from their devices, EVM EVMT2G8000S86P 2 GB DDR2-800 Laptop RAM delivers top-tier ...
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 ...
Hexus

DDR / DDR2 memory

When looking to upgrade your PC, RAM is one of the first places to look. More RAM reduces the amount the page file is used, speeding up programs and allowing you to run more applications ...
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 ...
Design-Reuse

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

This is a two-part article that focuses on the design guidelines and describes how to implement DDR or DDR2 external memory interfaces (EMIFs) using FPGAs via ALTDLL and ALTDQ_DQS megafunctions. This ...