KS8993
Micrel
Features
• 3-port 10/100 integrated switch with physical layer
transceivers
• 64k Byte of SRAM on chip for frame buffering
• 1.0Gbps high performance memory bandwidth
• 10BaseT, 100BaseTX and 100BaseFX modes of
operation
• Support for UTP or fiber installations
• Superior analog technology for reduced power and die
size
• Supports port based VLAN
• QoS feature!! Supports 802.1p based priority or port-
based priority
• Indicators for link, activity, full/half-duplex and speed
• Unmanaged operation via strapping at system reset
time
• Hardware based 10/100, full/half, flow control and auto-
negotiation
• Individual port forced modes (full-duplex, 100BaseTX)
when auto-negotiation is disabled
• Wire speed reception and transmission
• On chip integrated address look-up engine, supports 1K
absolute MAC addresses
• Automatic address learning, address aging and address
migration
• Full-duplex IEEE 802.3x flow control (Pause) with force
mode option
• Half-duplex back pressure flow control
• Comprehensive LED support
• External MAC interface (MII or SNI 7-wire ) for router
applications
• 300mA (0.75W) including physical transmit drivers
• Commercial temperature range: 0°C to +70°C
• Available in 128-pin PQFP with single 2.5V power
supply
Ordering Information
Part Number
Standard
KS8993
Pb-Free
KSZ8993
Temperature
Range
0°C to +70°C
Package
128-Pin PQFP
KS8993
2
April 2009
MICREL [ MICREL SEMICONDUCTOR ]
