KS8999 Micrel Inc, KS8999 Datasheet - Page 2

• Manufacturer Part Number: KS8999
• Description: IC SWITCH 10/100 9PORT 208PQFP
• Manufacturer: Micrel Inc

Specifications of KS8999

• 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): 70C
• Operating Temperature (min): 0C
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• 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

KS8999
Features
• 9 port (8+1) 10/100 integrated switch with eight physical
• Advanced Ethernet Switch with internal frame buffer
• 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
• Supports both commercial and industry temperature
• Supports lead free products:
• Available in 208-pin PQFP package
KS8999
layer transceivers and one MII/SNI interface
– 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
– Automatic address learning, address aging and
– 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
operation
– 10BaseT, 100BaseTX and 100BaseFX modes of
– 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
– Individual port forced modes (full duplex, 100BaseTX)
– Full duplex IEEE 802.3x flow control
– Half-duplex back pressure flow control
applications
system reset time (see Reset Reference Circuit section)
3.3V I/O
– 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)
absolute MAC addresses
address migration
port based priorityo broadcast storm protection
operation
auto-negotiation
when auto-negotiation is disabled
2
Ordering Information
Part Number
KS8999
KS8999I
KSZ8999
KSZ8999I
Temperature Range
–40 C to +85 C
–40 C to +85 C
0 C to +70 C
0 C to +70 C
208-Pin PQFP
208-Pin PQFP
208-Pin PQFP
208-Pin PQFP
Package
January 2005
Micrel