Tuesday, 16 September 2014

SRAM :STATIC READ ONLY MEMORY


  • SRAM is a type of memory that is faster and more reliable than the more common DRAM (dynamic RAM). 
  • The term static is derived from the fact that it doesn't need to be refreshed like dynamic RAM. 
  • DRAM supports access times of about 60 nanoseconds, SRAM can give access times as low as 10 nanoseconds.
  • SRAM has  cycle time is much shorter than that of DRAM because it does not need to pause between accesses. Unfortunately, it is also much more expensive to produce than DRAM. Due to its high cost, SRAM is often used only as a memory cache. 

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