Product Summary

The GCIXF440AC is the Multiport Ethernet Controller which includes eight independent 10/100 Mbps Ethernet MACs and interfaces directly to MII standard PHYs or SYM 100BASE-TX physical devices. The GCIXF440AC handles SNMP and RMON management counter sets, accessible through a generic CPU interface, which is also used for mode programming. Each MAC includes two 256-byte independent FIFOs for packet transmit and receive.

Parametrics

GCIXF440AC absolute maximum ratings: (1)Power supply (Vdd): 3 V to 3.6 V; (2)Vdd_clmp (5.0 V signaling): 4.75 V to 5.25 V; (3)Vdd_clmp (3.3 V signaling): 3 V, Min. (3.6 V, Vdd + 0.3 V); (4)ESD protection voltage: 2000 V; (5)ESD protection voltage for Vdd_clmp: 1900 V.

Features

GCIXF440AC features: (1)Eight Ethernet 10/100 Mbps MAC ports; (2)IX Bus; (3)Allows status register access without interrupting packet transfer; (4)Enables independent 10 or 100 Mbps port operation; (5)CPU Interface; (6)Optimized for switch, bridge, and router.

Diagrams

GCIXF440AC block diagram

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