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 ” ...
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 ...
Digit

EVM EVMT2G6670S86P 2 GB DDR2-667 Laptop RAM

Verdict: The EVM EVMT2G6670S86P 2 GB DDR2-667 Laptop RAM stands out with its . Designed for users who demand the best from their devices, EVM EVMT2G6670S86P 2 GB DDR2-667 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 ...
TechSpot

Tech Primer: What you need to know about DDR4 memory

Most computer technologies only last a short time before they are replaced by something new, but DDR RAM is one of the few that tends to last a while before being replaced. The original DDR SDRAM was ...
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 ...