What Is Static Random Access Memory?

Static Random Access Memory ( SRAM ) is a type of random access memory. The so-called "static" means that as long as the memory is kept powered, the data stored in it can be constantly maintained. In contrast, the data stored in dynamic random access memory (DRAM) needs to be updated periodically. However, when the power supply is stopped, the data stored in the SRAM will still disappear (known as volatile memory), which is different from the ROM or flash memory that can store data after power failure.

SRAM can save the data stored in it without refreshing the circuit. DRAM ( Dynamic Random Access Memory) needs to be refreshed and recharged every other time, otherwise the internal data will disappear, so SRAM has higher performance, but SRAM also has its disadvantages, namely its low integration and Higher power consumption than DRAM ^[1]

One is placed between the CPU and the main memory

SRAM is mainly used for secondary

SRAM (Static RAM), also known as static RAM. It also consists of transistors. On represents 1 and off represents 0, and the state is maintained until a change signal is received. These transistors do not need to be refreshed, but when they are shut down or powered off, they lose information just like DRAM. SRAM is very fast and usually works at 20ns or faster. One DRAM

• DRAM, including PSRAM (pseudo-static RAM)

• Flash memory

• Transistor