Product Features

■ IEEE 802.3 10BASE-T/100BASE-TX compliant physical layer interface

■ IEEE 802.3u Auto-Negotiation support

■ Digital Adaptive Equalization control

■ Link status interrupt capability

■ XOR tree mode support

■ 3-port LED support (speed, link and activity)

■ 10BASE-T auto-polarity correction

■ LAN Connect Interface

■ PHY detects polarity, MDI-X, and cable lengths. Auto MDI, MDIX crossover at all speeds

■ Diagnostic loopback mode

■ 1:1 transmit transformer ratio support

■ Low power (less than 300 mW in active transmit mode)

■ Reduced power in “unplugged mode” (less than 50 mW)

■ Automatic detection of “unplugged mode”

■ 3.3 V device

■ Lead-free1 48-pin Shrink Small Outline Package for both leaded and lead-free designs. (Devices that are lead-free are marked with a circled “e3” and have theproduct code prefix: LUxxxxxx).