SRAM VS DRAM

 Static( SRAM) 

• Data is Stored as long as supply is applied.
• Larger (6 Transistors/Cell).
• Very Fast
• Differential (Usually)

Dynamic(DRAM)

• Periodic Refresh Required
•  Smaller (1-3 Transistors/Cell)
• Slower 
•  Single Ended

6 Transistor CMOS SRAM CELL

1 Transistor DRAM Cell

3 Transistor DRAM Cell