Absolute Maximum Ratings(1) Supply Voltage (V
參數(shù)資料
型號： KS8995XA
廠商： Micrel Inc
文件頁數(shù)： 38/51頁
文件大?。?/td> 0K
描述： IC SWITCH 10/100 5PORT 128PQFP
標準包裝： 66
系列： *
類型： *
應用： *
安裝類型： 表面貼裝
封裝/外殼： 128-BFQFP
供應商設(shè)備封裝： 128-PQFP（14x20）
包裝： 散裝
配用： 576-1604-ND - EVAL KIT EXPERIMENTAL KS8995XA
May 2005
43
M9999-051305
KS8995XA
Micrel, Inc.
Absolute Maximum Ratings(1)
Supply Voltage
(V
DDAR, VDDAP, VDDC) ............................. –0.5V to +2.4V
(V
DDAT, VDDIO) ........................................ –0.5V to +4.0V
Input Voltage (All Inputs) ............................. –0.5V to +4.0V
Output Voltage (All Outputs) ....................... –0.5V to +4.0V
Lead Temperature (soldering, 10 sec.) ..................... 270°C
Storage Temperature (T
S) ....................... –55°C to +150°C
Operating Ratings(2)
Supply Voltage
(V
DDAR, VDDAP, VDDC) ............................. +1.7V to +1.9V
(V
DDAT) ................... +3.15V to +3.45V or +2.4V to +2.6V
(V
DDIO) ................................................ +3.15V to +3.45V
Ambient Temperature (T
A)
Commercial .............................................. –0°C to +70°C
Package Thermal Resistance(3)
PQFP (θJA) No Air Flow ................................. 42.91°C/W
Electrical Characteristics(4, 5)
Symbol
Parameter
Condition
Min
Typ
Max
Units
100BASE-TX Operation — All Ports 100% Utilization
I
DDC
100BASE-TX (Digital Core/PLL + Analog RX) V
DDC, VDDAP, VDDAR
194
206
mA
I
DDIO
100BASE-TX (Digital IO + Transmitter) V
DDIO, VDDAT
223
226
mA
10BASE-TX Operation — All Ports 100% Utilization
I
DDC
10BASE-TX (Digital Core + Analog RX)
V
DDC, VDDAP
152
161
mA
I
DDIO
10BASE-TX (Digital IO + Transmitter)
V
DDIO, VDDAT
336
347
mA
Auto-Negotiation Mode
I
DDC
10BASE-TX (Digital Core + Analog RX) V
DDC, VDDAP
137
146
mA
I
DDIO
10BASE-TX (Digital IO + Transmitter)
V
DDIO, VDDAT
21
23
mA
TTL Inputs
V
IH
Input High Voltage
+2.0
V
IL
Input Low Voltage
+0.8
V
I
IN
Input Current
V
IN = GND ~ VDDIO
–10
10
A
(Excluding Pull-up/Pull-down)
TTL Outputs
V
OH
Output High Voltage
I
OH = –8mA
+2.4
V
OL
Output Low Voltage
I
OL = 8mA
+0.4
V
|I
OZ|
Output Tri-State Leakage
10
A
100BASE-TX Transmit (measured differentially after 1:1 transformer)
V
O
Peak Differential Output Voltage
100 termination on the differential output
0.95
1.05
V
IMB
Output Voltage Imbalance
100 termination on the differential output
2%
t
r, tt
Rise/Fall Time
3
5
ns
Rise/Fall Time Imbalance
0
0.5
ns
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating. Unused inputs must always be tied to an appropriate logic voltage level (ground
to V
DD).
3. No heat spreader in package.
4. Specification for packaged product only.
5. Measurements were taken with operating ratings.
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