Hi, could you confirm that the EMIF06-HSD03F3 footprint has bga pads that are all 0.4mm from each other? The datasheet drawing of the footprint is a bit misleading and has the pads asymmetrical, but it looks like from the dimensions that it is symetrical.
https://www.st.com/resource/en/datasheet/emif06-hsd03f3.pdf