RTL8306E-GR SINGLE-CHIP 6-PORT 10/100MBPS ETHERNET.
Realtek
RTL8306E-GR - SINGLE-CHIP 6-PORT 10/100MBPS ETHERNET SWITCH CONTROLLER
RTL8306E-GR SINGLE-CHIP 6-PORT 10/100MBPS ETHERNET SWITCH CONTROLLER WITH DUAL MII/RMII INTERFACES DATASHEET Rev. 0.1 26 June. 2009 Realtek Semiconduc.