How does sdram differ from dram

Use case. Less density per cell 1 transistor per chip but can pack more cells into space. Denser 6 transistors per chip but can fit fewer cells into space. Generally higher: Capacitors leak power thanks to imperfect insulation, requiring regular power refreshes. Generally lower: No charge leakage since it changes direction of current through switches instead of leaking power through the capacitor. Storage capacity. Smaller: Acts as cache; storage measured in MBs.

Volatile: Must have active power supply plus frequent charges while active. Volatile: Does not require additional charges while it is receiving power, but eventually loses data without it. Physical placement. Processors or between processor and main memory. The SRAM is used to save information. EEPROM is based on the floating gate transistor, which uses a highly insulating material for the gate terminal, or switch, that turns a transistor from a binary 1 or 0 digit.

Unless a high enough voltage is applied to open the gate, the transistor stays in the last state it held, and the overall chip holds on to the data those binary digits make up. All rights reserved. Huawei Enterprise Support Community. User Guide New to the community?

Find out how to get started! Stay connected! Choose the types of newsletters you want to receive! DDR vs. Follow Share Cite Authors. Related Comparisons. Contribute to Diffen Edit or create new comparisons in your area of expertise. Log in ». Terms of use Privacy policy. Through this interface, the change of the control input can be recognized after the rising edge of its clock input.

Dennard's single-transistor memory cell technology has produced many innovations, including SDRAM synchronized with the computer clock, which improves the efficiency of reading from or writing to random access memory.

The previous memory storage form was as large as the room and required constant cooling. However, with the advancement of memory storage technology, these devices have become smaller and cheaper. Dennard made a huge leap in making computer technology smaller and cheaper, and therefore easier for ordinary consumers to use.