KS8993 Micrel Inc, KS8993 Datasheet - Page 2

• Manufacturer Part Number: KS8993
• Description: IC SWITCH 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8993

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 64
• Operating Supply Voltage (typ): 2.5/3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII/SNI
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 2.75/3.6V
• Operating Supply Voltage (min): 2.35V
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1011 - BOARD EVAL EXPERIMENT FOR KS8993
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

KS8993
Features
• 3-port 10/100 integrated switch with physical layer
• 64k Byte of SRAM on chip for frame buffering
• 1.0Gbps high performance memory bandwidth
• 10BaseT, 100BaseTX and 100BaseFX modes of
• Support for UTP or fiber installations
• Superior analog technology for reduced power and die
• Supports port based VLAN
• QoS feature!! Supports 802.1p based priority or port-
• Indicators for link, activity, full/half-duplex and speed
• Unmanaged operation via strapping at system reset
• Hardware based 10/100, full/half, flow control and auto-
• Individual port forced modes (full-duplex, 100BaseTX)
• Wire speed reception and transmission
• On chip integrated address look-up engine, supports 1K
• Automatic address learning, address aging and address
• Full-duplex IEEE 802.3x flow control (Pause) with force
• Half-duplex back pressure flow control
• Comprehensive LED support
• External MAC interface (MII or SNI 7-wire ) for router
• 300mA (0.75W) including physical transmit drivers
• Commercial temperature range: 0 C to +70 C
• Industrial temperature range: –40 C to +85 C
• Available in 128-pin PQFP with single 2.5V power
KS8993
transceivers
operation
size
based priority
time
negotiation
when auto-negotiation is disabled
absolute MAC addresses
migration
mode option
applications
supply
2
Ordering Information
Part Number
Standard
KS8993
KS8993I
Pb-Free
KSZ8993
–
–40 C to +85 C
Temperature
0 C to +70 C
Range
128-Pin PQFP
128-Pin PQFP
Package
May 2005
Micrel