1966: Dynamic Random Access Memory (DRAM)

An Illustrated History of Computer Memory
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1966: Dynamic Random Access Memory (DRAM)

Robert Dennard invented DRAM as the foundation of the computer memory we use today at the IBM Thomas J. Watson Research Center in 1966/1967. He received the DRAM patent #3,387,286 in 1968. The document describes a one-transistor DRAM cell.

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