
10. Electrical Characteristics
10.1 Absolute Maximum Ratings
WARNING:
Absolute maximum ratings are limits beyond which may cause permanent damage to the device or affect device
reliability. All voltages are specified reference to GND unless otherwise specified.
Parameter
Minimum
Storage Temperature
-55
Vcc Supply Referenced to GND
-0.5
Digital Input Voltage
-0.5
DC Output Voltage
-0.5
10.2 Operating Range
Parameter
Minimum
Ambient Operating Temperature(Ta)
0
3.3V Supply Voltage Range(VDDAH)
3.15
2.5V Supply Voltage Range(VDDAL,VDD)
2.375
10.3 DC Characteristics
Parameter
Symbol
Conditions
Power Supply Current for
2.5V
10 Base-T, Peak continuous 100% utilization
100 Base-TX, idle
100 Base-TX, Peak continuous 100% utilization
Power saving
Power down
Power Supply Current for
3.3V
10 Base-T, Peak continuous 100% utilization
100 Base-TX, idle
100 Base-TX, Peak continuous 100% utilization
Power saving
Power down
Total Power Consumption
for all 8 ports
10 Base-T, Peak continuous 100% utilization
100 Base-TX, idle
100 Base-TX, Peak continuous 100% utilization
Power saving
Power down
TTL Input High Voltage
V
ih
TTL Input Low Voltage
V
il
TTL Input Current
I
in
TTL Input Capacitance
C
in
Output High Voltage
V
oh
Output Low voltage
V
ol
RTL8208
2001/01/07
35
Rev.1.923
Maximum
+150
+4.0
VDD
VDD
Units
°
C
V
V
V
Maximum
+70
3.45
2.625
Units
°
C
V
V
Min
Typical
81.2
88.9
125.5
145.7
76.7
15.5
88.5
499.2
370.7
371.3
48.1
3.3
495
1870
1537
1590
350
50
3
Max
Units
mA
Icc
10 Base-T, idle
Icc
10 Base-T, idle
mA
PS
10 Base-T, idle
mW
1.5
-10
2.25
0
V
V
uA
pF
V
V
1.0
10
2.75
0.25