Add DDR4 reference

references_JR.bib

@@ -58230,6 +58230,14 @@ The presentation of your work and the essential context is very good. The paper
   langid = {english},
 }
 
+@misc{jedec2021c,
+  title = {{{DDR4 SDRAM}}},
+  author = {{JEDEC}},
+  year = {2021},
+  month = jul,
+  keywords = {JEDEC},
+}
+
 @Comment{jabref-meta: databaseType:biblatex;}
 
 @Comment{jabref-meta: selector_author:Alexander Worm;Christian Brehm;Christian de Schryver;Christian Neeb;Frank Gilbert;Frank Kienle;Friedbert Berens;Heiko Michel;Matthias Alles;Michael J. Thul;Norbert Wehn;Timo Vogt;}