3 ms·
DRAM chips are fascinating. Instead of going with the much more expensive SRAM, someone decided that refreshing billions of capacitors hundreds of times a seco
by bserge 6y ago
DRAM chips are fascinating.
Instead of going with the much more expensive SRAM, someone decided that refreshing billions of capacitors hundreds of times a second while performing read and write operations is an acceptable way of storing data (even if only while powered).
I wonder what the managers who first heard the idea must've thought :D
And it works so well! It's probably one of the most reliable component in a computer.
- pjc50 6y agoMany of the early RAM systems were non-persistent (mercury delay lines, phosphor) and some were destructive-read (core memory). Appears to have been invented by Dennard of Dennard Scaling: https://www.thoughtco.com/who-invented-the-intel-1103-dram-chip-4078677 https://www.thoughtco.com/who-invented-the-intel-1103-dram-c...