SP / Silicon Power SP008GBSTU160N02 - Manual (Page 13)

DDR3 SODIMM
Product Datasheet
Rev. 1.5a Nov. 2012 13
Block Diagram(x16 1Rank)
Note: The ZQ ball on each DDR3 component is connected to an external 240Ω resistor that is tied to
ground. It is used for the calibration of the component’s ODT and output driver.