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Q. Illustrate Organisation of DRAM Chip?
The given figure is a typical organisation of 16 mega bit DRAM. It displays a typical organisation of 2048 × 2048 × 4 bit DRAM chip. Memory array in this organisation is a square array which is (2048 × 2048) words of 4 bits each.
Every element that consists of 4 bits of array is connected by horizontal row lines and vertical column lines. Horizontal lines are connected to select input in a row while vertical line is connected to output signal through a sense amplifier or data in signal by data bit line driver. Please note that selection of input from this chip needs:
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Nonvolatile Read Write Memory, also kown as Flash memory. It is also called as shadow RAM.
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