KS8995

The KS8995 is a five port 10/100 switch with physical layer transceivers, five MAC (media access control) units with an integrated layer two switch. The device runs in two modes. The first mode is a five port integrated switch and the second is as a five port switch with the fifth port decoupled from the physical port. In this mode access to the fifth MAC is provided using a MII (media independent interface). The KS8995 is designed to reside in an unmanaged design not requiring processor intervention. This is achieved through I/O strapping at system reset time. On the media side, the KS8995 supports 10BaseT, 100BaseTX and 100BaseFX as specified by the IEEE 802.3 committee. Physical signal transmission and reception are enhanced through use of analog circuitry that makes the design more efficient and allows for lower power consumption and smaller chip die size.

• SRAM on chip for frame buffering
• 1.4Gbps high performance memory bandwidth
• 10BaseT, 100BaseTX and 100BaseFX modes of operation
• Superior analog technology for reduced power and die size
• Single 2.5V power supply
• 500mA (1.25W) including physical transmit drivers
• Indicators for link, activity, full / half duplex and speed
• Full duplex IEEE 802.3x flow control
• Integrated address look up engine, supports 1K absolute MAC addresses
• Hardware based 10/100, full/half, flow control and auto negotiation

Applications

Consumer Electronics, Communications & Networking, Wireless