ET4000 Datasheet | Agere

ET4000 Single-Chip 28 x 1 Gbits/s Layer 2+ Ethernet Switch Overview The 28-port ET4000 is part of the Agere Systems ET4K family of gigabit Ethernet switch chip sets. These cost-effective, true switch-on-chip solutions have been developed to help simplify your design and production efforts for GbE switching systems. The Agere Systems ET4000 is a plete switch solution that provides 28 gigabit Ethernet (GbE) ports (IEEE® pliant 802.3z 10/100/1000 Mbits/s Ethernet MACs) in a single chip. Twenty-four of the MACs connect to external PHYs via 6-pin LVDS SGMII interfaces, four can be connected to external fiber PHYs via SerDes interfaces. The ET4000 is offered in a 525-pin FCBGA package...