82551IT — Networking Silicon
Table 49. LED Voltage/Current Characteristics
Symbol
Parameter
Condition
Min
Typical
Max
Units
Notes
VOHLED
VOLLED
Output High Voltage
Output Low Voltage
Iout = -10 mA
Iout = 10 mA
2.4
V
V
0.7
Table 50. 100BASE-TX Voltage/Current Characteristics
Symbol
Parameter
Condition
Min
Typical
Max
Units
Notes
Input Differential
Impedance
RID100
DC
10
K
Input Differential
Accept Peak Voltage
VIDA100
VIDR100
VICM100
VOD100
ICCT100
±500
mV
mV
V
Input Differential
Reject Peak Voltage
±100
1.05
Input Common Mode
Voltage
VCC/2
1.00
20
Output Differential
Peak Voltage
0.95
V
Line Driver Supply
Peak Current
RBIAS100 = 649
mA
1, 2, 3
NOTES:
1. Current is measured on all VCC pins (VCC = 3.3 V).
2. Transmitter peak current is attained by dividing the measured maximum differential output peak voltage by
the load resistance value.
3. Recommended starting value for RBIAS100.
78
Datasheet
INTEL [ INTEL ]
