High-performance 10/100 Ethernet transceiver Compliant with IEEE802.3/802.3u (Fast Ethernet) Comply with IS0802-3/IEEE802.3 (10BASE-) Loopback mode Auto-negotiation Automatic polarity detection and correction Link state change detection specific register function Power and I/O Various low-power modes Integrated power-on reset circuit Two status LED outputs The latch-up performance of each EIA/JESD exceeds 150mA Class II 78 Can be used with 3.3V single power supply Advanced Features to use the lowest 25Mhz crystal Spreadsheets Comply with 24-pin QFN (4x4mm) lead-free RoHS requirements RMII packaging envirnmental factor Extended commercial temperature range (0Celsius to 85Celsius) Industrial temperature range (-40Celsius to -85Celsius) version available (LAN8720i) Colour:black Material:Composite material Package Contents: 10 x Ethernet transceiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.