BCM53314SB0KPBG Overview
There is a copy of it in the 676-BGA package. In order for the device to function, 676 pins must be used.
BCM53314SB0KPBG Features

BCM53314SB0KPBG Applications
There are a lot of Broadcom Limited
BCM53314SB0KPBG Controllers Interface ICs applications.

Dimming Control Devices
Commercial LED Lighting
Smart LED Lighting
Portable Appliances
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
IrDA transmission control
Remote transmission formatter
Docking

Factory Lead Time	22 Weeks
Mount	Surface Mount
Package / Case	676-BGA
Number of Pins	676
Supplier Device Package	676-PBGA
Published	2010
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Function	Switch
Interface	UART
Protocol	Ethernet
Standards	IEEE 802.3, 10/100/1000 Base-T/TX PHY
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free