EE Times has published a very interesting slideshow called: A Brief History of Memory by Kristin Lewotsky. This is recommended reading for all who peruse of The Memory Guy blog. Even the comments are good reading, with one commenter sharing a history of ferroelectrics that dates back to the 1950s.
It’s interesting to see the similarities between the memories of yesteryear and those of today:
- The Selectron tube stored charge in an insulating layer the way that charge trap flash does
- Core memories used a destructive read mechanism similar to that of ferroelectric memories (FRAMs or FeRAMs)
- The Williams-Kilburn tube appears to have stored charges in small capacitors like a DRAM (although I could be wrong about this one)
The slideshow is a fun “Walk down Memory Lane.” Have a look.
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