SWITCH, ENET, 4PORT, 64QFN; Data Rate:100Mbps; Ethernet Type:IEEE 802.3, IEEE 802.3u; Supply Voltage Min:3.15V; Supply Voltage Max:3.45V; Controller IC Case Style:QFN; No. of Pins:64; IC Interface Type:MII, RMII, Serial; Operating Temperature Min:0°C; Operating Temperature Max:70°C; Packaging:Each