KS8999I Micrel Inc, KS8999I Datasheet - Page 2

• Manufacturer Part Number: KS8999I
• Description: IC SWITCH 9-PORT 10/100 208-PQFP
• Manufacturer: Micrel Inc

Specifications of KS8999I

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 208-MQFP, 208-PQFP
• 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): 85C
• Operating Temperature (min): -40C
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1023 - BOARD EVAL EXPERIMENT FOR KS8999
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

Micrel, Inc.
Features
• 9 port (8+1) 10/100 integrated switch with eight
• Advanced Ethernet Switch with internal frame
• Advanced Switch Features
• Proven transceiver technology for UTP and fiber
• Supports MDI/MDI-X auto crossover
• External MAC interface (MII or 7-wire) for router
• Unmanaged operation via strapping or EEPROM at
• Comprehensive LED support
• Single 2.0V power supply with options for 2.5V and
• 900 mA (1.80W) including physical transmit drivers
January 2005
physical layer transceivers and one MII/SNI
interface
buffer
operation
applications
system reset time (see Reset Reference Circuit
section)
3.3V I/O
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128K Byte of SRAM on chip for frame
buffering
2.0Gbps high performance memory
bandwidth
Wire speed reception and transmission
Integrated address look-up engine, supports
1K absolute MAC addresses
Automatic address learning, address aging
and address migration
Supports 802.1p priority and port based
priority
Supports port based VLAN
Supports 1536 byte frame for VLAN tag
Supports DiffServ priority, 802.1p based
priority or port based priority o broadcast
storm protection
10BaseT, 100BaseTX and 100BaseFX modes
of operation
Supports for UTP or fiber on all 8-ports
Indicators for link, activity, full/half-duplex and
speed
Hardware based 10/100, full/half, flow control
and auto-negotiation
Individual port forced modes (full duplex,
100BaseTX) when auto-negotiation is
disabled
Full-duplex IEEE 802.3x flow control
Half-duplex back pressure flow control
2
• Supports both commercial and industry
• Supports lead free products:
• Available in 208-pin PQFP package
Ordering Information
Part Number
KS8999
KS8999I
KSZ8999
KSZ8999I
temperature
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Commercial temperature range: 0°C to +70°C
(KS8999)
Industrial temperature range: –40°C to +85°C
(KS8999I)
Commercial temperature range: 0°C to +70°C
(KSZ8999)
Industrial temperature range: –40°C to +85°C
(KSZ8999I)
–40°C to +85°C
–40°C to +85°C
Temp Range
0°C to +70°C
0°C to +70°C
208-Pin PQFP
208-Pin PQFP
208-Pin PQFP
208-Pin PQFP
Package
KS8999
KS8999