Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

What's the different usage between SDRAM and SRAM?

Hi, all When i build a SOPC system, I can use external SDRAM or SRAM as the system memory. I want to know what's the difference between them. I assume their function the same except...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

SDRAMs are much larger than SRAMs.

IIRC SDRAMs take some time to set up rows so are more suited to sequential addressing.

SRAMs allow full random access with the same timing.