https://www.rohde-schwarz.com/us/knowledge-center/knowledge-plus/focus-pages/double-data-rate-ddr_255228-1111471.html
Double data rate (DDR) | Rohde & Schwarz
Double data rate (DDR)
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https://www.intel.com/content/www/us/en/programmable/quartushelp/18.1/reference/glossary/def_ddr.htm
double data rate (DDR) Definition
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