Package 256-BGA contains the ICs.A package containing integrated circuit is called Tray.The way of mounting integrated circuit is Surface Mount.Integrated circuit belongs to the class Interworking Element.It is possible to find similar integrated circuit systems by searching for the PXB4219 family.
PXB 4219 E V3.4 Features
PXB 4219 E V3.4 Applications
There are a lot of Infineon Technologies PXB 4219 E V3.4 Specialized ICs applications.