You need to test, we're here to help.

You need to test, we're here to help.

29 March 2017

Fundamentals of the DDR Memory Interface

A representative test setup for physical-layer DDR testing
Figure 1: A representative test setup
for physical-layer DDR testing
Double data-rate (DDR) memory has ruled the roost as the main system memory in PCs for a long time. Of late, it's seeing more usage in embedded systems as well. Let's look at the fundamentals of a DDR interface and then move into physical-layer testing (Figure 1).