2. Evolution of the cell and memory matrix
A distinction must be made between RAM and ROM memory cells. For the former, the manufacturing technology of the dynamic cell differs completely from that of the more conventional, static version.
2.1 Dynamic live cell
The memory principle is the storage of information in the form of electrical charges in a capacitor C s selected by a selection transistor T s (cell 1T-1C) which connects it to the bit line (figure 2 ). This originally parasitic capacitor, present between the gate and source of a MOS transistor in the three-transistor cell, has become...
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Evolution of the cell and memory matrix
Control logic evolution
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