Microchip KSZ8999, Ethernet Switch IC, 10/100Mbps MII, 3.3 V, 208-Pin PQFP

The KS8999 contains eight 10/100 physical layer transceivers, nine MAC (Media Access Control) units with an integrated layer 2 switch.The device runs in two modes. The first mode is an eight port integrated switch and the second is as a nine port switch with the ninth port available through an MII (Media Independent Interface).Useful configurations include a stand alone eight port switch as well as a eight port switch with a routing element connected to the extra MII port.

9 port (8+1) 10/100 integrated switch with eight physical layer transceivers and one MII/SNI interface