參數(shù)資料
型號(hào): KS8997
廠商: Micrel Inc
文件頁(yè)數(shù): 25/39頁(yè)
文件大?。?/td> 0K
描述: IC SWITCH 10/100 8PORT 128PQFP
標(biāo)準(zhǔn)包裝: 66
系列: *
類(lèi)型: *
應(yīng)用: *
安裝類(lèi)型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 散裝
Micrel, Inc.
KS8997/KSZ8997
February 2007
31
M9999-022807-1.1
Absolute Maximum Ratings
(1)
Supply Voltage
(VDD_RX, VDD_TX, VDD_RCV,
VDD, VDD_PLLTX).............................. –0.5V to +2.3V
(VDDIO) ................................................. –0.5V to +3.8V
Input Voltage............................................. –0.5V to +4.0V
Output Voltage .......................................... –0.5V to +4.0V
Lead Temperature (soldering, 10 sec) .................... 270°C
Storage Temperature (TS)...................... –55°C to +150°C
Operating Ratings
(2)
Supply Voltage
(VDD_RX, VDD_TX, VDD_RCV, VDD,
VDD_PLLTX) .......................................+2.0V to +2.3V
(VDDIO) .....................+2.0V to +2.3V or +3.0V to +3.6V
Ambient Temperature (TA) ........................ –0°C to +70°C
Package Thermal Resistance
(3)
PQFP (θJA) No Air Flow ................................ 42.91°C/W
Electrical Characteristics
(4)
VDD = 2.0V to 2.3V; TA = 0°C to +70°C; unless noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
VDD
Supply Voltage
2.00
2.10
2.30
V
100BaseTX Operation
100BaseTX (Total)
0.61
A
IDX
100BaseTX (Transmitter)
0.35
A
IDA
100BaseTX (Analog)
0.18
A
IDD
100BaseTX (Digital)
0.08
A
10BaseTX Operation—All Ports 100% Utilization
10BaseTX (Total)
0.90
A
IDX
10BaseTX (Transmitter)
0.72
A
IDDC
10BaseTX (Analog)
0.11
A
IDDIO
10BaseTX (Digital)
0.07
A
TTL Inputs
VIH
Input High Voltage
(1/2 VDDIO)
+0.4v
V
VIL
Input Low Voltage
(1/2
VDDIO)
–0.4
V
IIN
Input Current
VIN = GND ~ VDD
–10
10
A
TTL Outputs
VOH
Output High Voltage
IOH = –4mA
VDDIO –0.4
V
VOL
Output Low Voltage
IOL = 4mA
0.4
V
|IOZ|
Output Tri-State Leakage
10
A
100BaseTX Transmit (measured differentially after 1:1 transformer)
VO
Peak Differential Output Voltage
50 from each output to VDD
0.95
1.05
V
VIMB
Output Voltage Imbalance
50 from each output to VDD
2
%
Rise/Fall Time
3
5
ns
tr, tt
Rise/Fall Time Imbalance
0
0.5
ns
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