W89C880F

The W89C880F is a 100Base-T4/TX fast ethernet multiport repeater controller, it is designed for large fast ethernet networks. Besides, it also supports one inter-FastMPR interface to construct a large hub with up to 6 FastMPRs. It is available in 160-pin PQFP package.

Here are some features about W89C880F: (1)advanced CMOS process for power dissipation; (2)individual port, jabber/partition/reconnection state machine; (3)on-chip network utilization report; (4)port status direct report function; (5)supports up to 12 MII repeater ports; (6)limited bridge function: address learning/filtering, packet store/forwarding, fragment-free.

The following is W89C880F absolute maximum ratings: (1)supply voltage: -0.5 V to 7.0 V; (2)input voltage: VSS-0.5 V to VDD+0.5 V; (3)output voltage: VSS-0.5 V to VDD+0.5 V; (4)operating temperature: 0 to 70 ; (5)storage temperature: -55 to 150 ; (6)lead temperature(soldering 10 seconds maximum): -55 to 250 . Then is its DC characteristics: (1)low input voltage: VSS-0.5 V to 0.8 V; (2)high input voltage: 3.85 V to VDD+0.5 V; (3)input leakage current: 10 A min; (4)input current: 500 A min; (5)output leakage current: 10 A min.