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參數(shù)資料
型號： KS8999I
廠商： Micrel Inc
文件頁數(shù)： 50/52頁
文件大?。?/td> 0K
描述： IC SWITCH 9-PORT 10/100 208-PQFP
標準包裝： 100
系列： *
類型： *
應用： *
安裝類型： 表面貼裝
封裝/外殼： 208-MQFP，208-PQFP
供應商設備封裝： 208-PQFP（28x28）
包裝： 散裝
配用： 576-1023-ND - BOARD EVAL EXPERIMENT FOR KS8999
January 2005
7
KS8999
Micrel
Pin Description
Pin Number
Pin Name
Type(Note 1)
Port
Pin Function
1
VDD_RX
Pwr
2.0V for equalizer
2
GND_RX
GND
Ground for equalizer
3
GND_RX
GND
Ground for equalizer
4
VDD_RX
Pwr
2.0V for equalizer
5
RXP[3]
I
3
Physical receive signal + (differential)
6
RXM[3]
I
3
Physical receive signal - (differential)
7
AOUT2
O
Factory test output
8
DOUT2
O
Factory test output
9
TXP[3]
O
3
Physical transmit signal + (differential)
10
TXM[3]
O
3
Physical transmit signal - (differential)
11
QH[5]
Opd
Factory test pin – leave open for normal operation
12
QH[4]
Opd
Factory test pin – leave open for normal operation
13
QH[3]
Opd
Factory test pin – leave open for normal operation
14
QH[2]
Opd
Factory test pin – leave open for normal operation
15
GND_TX
GND
Ground for transmit circuitry
16
VDD_TX
Pwr
2.0V for transmit circuitry
17
VDD_TX
Pwr
2.0V for transmit circuitry
18
GND-ISO
GND
Analog ground
19
TXP[4]
O
4
Physical transmit signal + (differential)
20
TXM[4]
O
4
Physical transmit signal - (differential)
21
GND_TX
GND
Ground for transmit circuitry
22
RXP[4]
I
4
Physical receive signal + (differential)
23
RXM[4]
I
4
Physical receive signal - (differential)
24
GND_RX
GND
Ground for equalizer
25
VDD_RX
Pwr
2.0V for equalizer
26
ISET
Set physical transmit output current
27
GND-ISO
GND
Analog ground
28
VDD_RX
Pwr
2.0V for equalizer
29
GND_RX
GND
Ground for equalizer
30
RXP[5]
I
5
Physical receive signal + (differential)
31
RXM[5]
I
5
Physical receive signal - (differential)
32
GND_TX
GND
Ground for transmit circuitry
33
TXP[5]
O
5
Physical transmit signal + (differential)
34
TXM[5]
O
5
Physical transmit signal - (differential)
Note 1.
Pwr = power supply
GND = ground
I = input
O = output
I/O = bi-directional
Ipu = input w/ internal pull-up
Ipd = input w/ internal pull-down
Opu = output w/ internal pull-up
Opd = output w/ internal pull-down
Ipd/O = input w/ internal pull-down during reset, output pin otherwise
Ipu/O = input w/ internal pull-up during reset, output pin otherwise
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