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Differentiate between DRAM and SRAM.
types of ram • 402  views
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SRAM DRAM
No refreshing required in SRAM. Continuous refreshing required in DRAM.
Faster for accessing data. Slower in accessing data.
SRAM is made up of flip-flops. DRAM is made up of capacitors.
Since it uses flip-flops, it requires more space on chip. (FF requires more components). Since it uses capacitor, it requires less number of components to make a one bit cell. Hence requires less space.
It is costly. It is cheaper.
The bit is stored in a flip flop. The bit is stored as a charged or discharged capacitor.
Decreases bit density. Increases bit density.
A typical SRAM cell. A typical DRAM cell.
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