There is a package 256-BBGA containing the ICs.Integrated circuit is included in the package Tray.Surface Mount is used for mounting integrated circuit.This type of Multi-Queue Flow-Control can be found in many integrated circuits.The family IDT72P515*9 contains similar integrated circuit systems.
IDT72P51549L6BB Features
IDT72P51549L6BB Applications
There are a lot of Renesas Electronics America Inc. IDT72P51549L6BB Specialized ICs applications.