In package 324-BGA, you will find the ICs.A package called Tray uses integrated circuit.A mounting method of Surface Mount is used.In various integrated circuits, it is referred to as a Sequential Flow-Control.The family IDT72T6360 contains similar integrated circuit systems.
72T6360L7-5BBI Features
72T6360L7-5BBI Applications
There are a lot of Renesas Electronics America Inc. 72T6360L7-5BBI Specialized ICs applications.