Thread: Static and Dynamic

Static and Dynamic RAM

I am learning about various parts of motherboard. Just, I was studying about RAM's and I want to know difference between Static and Dynamic RAM?

1) Static RAM are ones which unable to do refreshing, and has 6 to 8 MOS transistors to form one memory cell. And information stored as voltage level in flip flop. On other side, dynamic RAM are ones which do refreshing occasionally, and has 3 to 4 transistors to create one memory cell. And data is stored as charge in gate to substrate capacitance.

2) Our PC utilizes both static RAM with dynamic RAM together, but they are utilized for various causes as of price difference between two kinds. Dynamic RAM is general kind of memory use today. In Dynamic RAM chip, each memory cell holds one bit of data and is created of 2 parts transistor and capacitor. In static RAM, form of flip-flop holds every bit of memory.

3) Static RAM: In this kind of RAM, type of semiconductor memory is utilized and where word static shows that it does not needed to be occasionally refreshing. As SRAM utilizes bistable latching circuitry to save every bit.
Dynamic RAM: Dynamic RAM called as DRAM and they generally utilized in market. This kind of RAM saves data in form of charge into capacitor. And for saving other charge capacitor need to refresh data which it holds. This refresh operation is where dynamic RAM obtains its name.