參數(shù)資料
型號(hào)： KS8999I
廠商： Micrel Inc
文件頁(yè)數(shù)： 12/52頁(yè)
文件大?。?/td> 0K
描述： IC SWITCH 9-PORT 10/100 208-PQFP
標(biāo)準(zhǔn)包裝： 100
系列： *
類(lèi)型： *
應(yīng)用： *
安裝類(lèi)型： 表面貼裝
封裝/外殼： 208-MQFP，208-PQFP
供應(yīng)商設(shè)備封裝： 208-PQFP（28x28）
包裝： 散裝
配用： 576-1023-ND - BOARD EVAL EXPERIMENT FOR KS8999
KS8999
Micrel
KS8999
2
January 2005
Features
9 port (8+1) 10/100 integrated switch with eight physical
layer transceivers and one MII/SNI interface
Advanced Ethernet Switch with internal frame buffer
– 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
Advanced Switch Features
– 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 priorityo broadcast storm protection
Proven transceiver technology for UTP and fiber
operation
– 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
Supports MDI/MDI-X auto crossover
External MAC interface (MII or 7-wire) for router
applications
Unmanaged operation via strapping or EEPROM at
system reset time (see Reset Reference Circuit section)
Comprehensive LED support
Single 2.0V power supply with options for 2.5V and
3.3V I/O
900 mA (1.80W) including physical transmit drivers
Supports both commercial and industry temperature
– Commercial temperature range: 0
°C to +70°C
(KS8999)
– Industrial temperature range: –40
°C to +85°C
(KS8999I)
Supports lead free products:
– Commercial temperature range: 0
°C to +70°C
(KSZ8999)
– Industrial temperature range: –40
°C to +85°C
(KSZ8999I)
Available in 208-pin PQFP package
Ordering Information
Part Number
Temperature Range
Package
KS8999
0
°C to +70°C
208-Pin PQFP
KS8999I
–40
°C to +85°C
208-Pin PQFP
KSZ8999
0
°C to +70°C
208-Pin PQFP
KSZ8999I
–40
°C to +85°C
208-Pin PQFP
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