RTD Embedded Technologies, Inc.
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9
LAN25255HR/LAN35255HR User’s Manual
2
Specifications
Operating Conditions
Table 2: Operating Conditions
Symbol
Parameter
Test Condition
Min
Max
Unit
V
cc5
5V Supply Voltage
4.75
5.25 V
V
cc3
3.3V Supply Voltage
n/a
n/a V
T
a
Operating Temperature
-40
+85 C
T
s
Storage Temperature
-55
+125 C
RH
Relative Humidity
Non-Condensing
0
90% %
MTBF
Mean Time Before Failure
30C
TBD
Hours
Electrical Characteristics
Table 3: Electrical Characteristics
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Power
+5V
Power Consumption
1 port connected (MAC/Phy)
2 ports connected
3 ports connected
4 ports connected
5 ports connected
1.3
1.8
2.2
2.7
3.2
W
I
BUS5
5V Current between buses
8.0 A
PCIe/104 Bus
Differential Output Voltage
0.8
1.2 V
DC Differential TX Impedance
95.2
116.9
Ω
Differential Input Voltage
0.175
3.3 V
DC Differential RX Impedance
92.7
115.8
Ω
Electrical Idle Detect Threshold
61
173 mV