Difference Between Static and Dynamic Ram

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  • Topic: Dynamic random access memory, Computer data storage, Static random access memory
  • Pages : 2 (368 words )
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  • Published : January 13, 2012
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Difference between Static and Dynamic RAM

The journey of dynamic and static RAM was initiated in 1960s which was readily developed in 1970s. In recent days, the technology is much more user friendly. RAM is classified into two types: Dynamic RAM and Static RAM. Static RAM uses a form of flip-flop to circulate data. It uses almost six transistors for its functioning. On the other hand, Dynamic RAM (DRAM) is typically charged on the capacitor in it. Static RAM holds the data in the flip flop form where it carries each bit of information. It has different technology and memory storage method to Dynamic RAM. The basic difference between Static and Dynamic RAM lies mainly in structure and work principal.

1. Firstly the main difference in the structure varies due to transistor and capacitor number and setting as just three to four transistors are required for a Dynamic RAM, but six to eight MOS transistors are necessary for a Static RAM. 2. Secondly Dynamic RAM memory can be deleted and refreshed while running the program, but in case of Static RAM it is not possible to refresh programs. 3. Data is stored as a charge in a capacitor in Dynamic RAM, where data is stored in flip flop level in Static RAM. 4. For refreshing a data another capacitor is required in case of Dynamic capacitor, but no refreshing option is available in Static RAM. 5. A Dynamic RAM possesses less space in the chip than a Static RAM. 6. Dynamic RAM is used to create larger RAM space system, where Static RAM create speed- sensitive cache. 7. Static ram is 4 times more expensive than Dynamic RAM. 8. Dynamic RAM consumes less power than Static RAM.

9. For accessing a data or information, Static RAM takes less time than Dynamic RAM. 10. Dynamic RAM has higher storage capacity. In fact it can store 4 times than Static RAM.

With all mentioned differences, the discussion can be concluded by...
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