Specification

• Single chip 100BASE-TX/100BASE-FX/10BASE-T
physical layer solution
• 2.5V CMOS design; 2.5/3.3V tolerance on I/O
• 3.3V single power supply with built-in voltage
regulator; Power consumption <340mW (including
output driver current)
• Fully compliant to IEEE 802.3u standard
• Supports MII and Reduced MII (RMII)
• Supports 10BASE-T, 100BASE-TX, and 100BASE-FX
with Far_End_Fault Detection
• Supports power-down and power-saving modes
• Configurable through MII serial management ports or
via external control pins