Additionally, SRAM’s cycle time is a lot shorter than DRAM’s because it does not need to refresh. SRAM is about 10 nanoseconds DRAM’s access time is about 60 nanoseconds. SRAM’s access time is a lot faster than DRAM’s. It is also found in compact discs (CD’s), printers, modem routers, digital versatile discs (DVD’s) and digital cameras. SRAM is most often found in hard drives as disc cache. SRAM is best suited for secondary operations like the CPU’s fast cache memory and storing registers. As well, due to its condensed size it is not ideal for main memory. While SRAM can operate at higher speeds than DRAM, it is more expensive to manufacture because of its complex internal structure, so most of the RAM on the motherboard is DRAM. Static random access memory (SRAM) is a lot faster and does not require refreshing like dynamic RAM. (This is done by rewriting the data to the module.)ĭRAM continuously refreshes 100+ times per second. All DRAM chips on Rambus in-line memory modules (RIMMs), single in-line memory module (SIMM’s) and dual in-line memory module (DIMMs) need to refresh every few milliseconds. The main memory in a computer is dynamic RAM. There are two types of RAM: static random access memory (SRAM) and dynamic random access memory (DRAM). Techopedia Explains Static Random Access Memory (SRAM)
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