The ICs is enclosed in the package 256-BBGA.The Tape & Reel (TR) package contains integrated circuit.Surface Mount is used to mount integrated circuit.Basically, integrated circuit is a Multi-Queue Flow-Control.You can find similar integrated circuit systems by searching for the IDT72P513*9 family.
IDT72P51359L6BB8 Features
IDT72P51359L6BB8 Applications
There are a lot of Renesas Electronics America Inc. IDT72P51359L6BB8 Specialized ICs applications.