The BCM5461S is a fully integrated 10/100/1000BASE-T Gigabit Ethernet transceiver optimized for low power and small footprint size to enable backplane and uplink applications. By lowering system cost and reducing power dissipation by nearly 30%, the BCM5461S enables a new class of cost-effective Gigabit Ethernet equipment, driving the delivery of Gigabit bandwidth to the desktop.

FEATURES
• Fully-integrated 10BASE-T/100BASE-TX/1000BASE-T Gigabit Ethernet transceiver
• GMII, RGMII, SGMII, SerDes, RTBI and MII MAC Interface options
• Line-side copper and fiber interfaces
• On-chip low-voltage regulators
• Fully compliant with IEEE 802.3, 802.3u, and 802.3ab standards
• 0.13µ CMOS — low power and cost
• Low power
   - Less than 700 mW per port
   - Wake on LAN support
   - Advanced power management
• Trace matched output impedance
• Line-side loopback
• Low EMI emissions
• Cable plant diagnostic
   - Cable plant analyzer function detects cable plant impairments
   - Link quality indication LED
   - Automatic detection and correction of wiring pair swaps, pair skew, and pair polarity
   - Automatic MDI/MDIX crossover at all speeds
• Robust CESD tolerance
• Support for jumbo packets up to 9 KB
• IEEE 1149.1 (JTAG) boundary scan
• 128-pin MQFP, 117-pin BGA, and 100-pin FBGA packages