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Differentiate between DRAM and SRAM.
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written 6.5 years ago by |
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. |