82546EB Datasheet, PDF (28/47 Pages) Intel Corporation – Dual Port Gigabit Ethernet Controller

82546EB — Networking Silicon
Figure 2. AC Test Loads for General Output Pins
CL
4.5
Serial Interface Specifications
Table 10. Driver Characteristics
Symbol
Parameter
Min
Typ
Max
Units
V_OD
Differential Output
Voltage Swing^a
V_OS
Delta V_OD
Output Offset Voltage
Change
and 1^b
in
V_OD
between
0
R_O
Differential Output
Impedance
I_SA, I_SB
Output Current on Short
to VSS
I_SAB
Output Current when A
and B are Shorted
315
1075
80
750
1325
25
120
40
12
mV
peak-
peak
mV
mV
Ω
mA
mA
a. This is the maximum inside dimension of the eye pattern, measured on high and low data pat-
terns with pre-emphasis present. Load = 100 Ω.
b. This is defined as an absolute value of amplitude jitter.
Table 11. Receiver Characteristics
Symbol
Parameter
Min
Typ
Max
Units
V_ID
Differential Input Voltage
Swing
100
R_IN
Differential Input
Impedance
80
2000
120
mV
peak-
peak
Ω
22
Datasheet