Differentiate between DRAM and SRAM.

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written 7.4 years ago by

hetalgosavi • 1.7k

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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