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DDR SDRAM -- Design Advantages and Signal Integrity Challenges

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Thanks to the high-speed, high-bandwidth, double-data rate (DDR) memory in modern processors, our smartphones, servers, computers and gaming consoles are able to operate more powerfully and at higher speeds. 

While each new generation of DDR SDRAM (Double-Data Rate Synchronous Dynamic Random Access Memory) brings increased speed capacity and decreased power consumption, they may not be easy to incorporate into a given PCB design. Issues such as decreased design margins or signal integrity issues can stand in the way of adding better memory to your PCB. 

This five-page whitepaper will address the following concerns with integrating DDR: 

  • Variables that impact signal integrity
  • Signal integrity challenges with DDR memory devices
  • How to ensure signal integrity


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