Evolutionary Developments of DRAM Device Architecture

The first Dynamic Random-Access Memory(DRAM) device, based on the operation of Field Effect Transistors (FET), was invented by Robert Dennard of IBM in 1966. Then in 1970, Intel Corp. produced the first commercial DRAM device, the 1103. In the decades since the introduction of Intel’s 1103 DRAM device, DRAM device architecture has undergone continuous and gradual evolution. However, up until the mid-1990s, the evolutionary path of DRAM device architecture had been dominated by a single path devoted to high-capacity, low-cost commodity devices.

In recent years, the differing requirements placed on modern DRAM memory systems have strained the evolutionary development of modern DRAM ...

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