Key Topics

DRAM

Storing bits of data in memory cells, DRAM, or dynamic random-access memory are storage cells that are typically used in computers as their main memory. Their cells consist of transistors and capacitors, and they store each data bit in their capacitors. Because their transistors can leak, and the information contained in them can drain, DRAM are provided with fresh electronic charges. But they are frequently used in digital electronics and provide high-capacity memory at a low cost.

What are the main types of DRAM?

The most common types of DRAM include synchronous, Rambus and double data rate.

Synchronous DRAM

As synchronous DRAMs are capable of syncing the clock speed of the CPU with the memory speed, the CPU can typically carry out many more instructions. They transfer data at a speed of around 133MHz.

Rambus DRAM

Rambus DRAMs are generally used for devices such as video games and graphics cards. They are capable of transferring data at a rate of 1GHz.

Double Data Rate DRAM

Double Data Rate DRAMs use double pumping to double provide double the bandwidth of a single data rate and make it possible to transfer data without increasing the clock frequency.

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