QT2022/32 - Data Sheet: DS3051
Table 67: XAUI Input Interface
Parameter
Description
Min
Typ
Max Units
Conditions
BAUD Rate
See Note 1.
3.125
Gb/s
For 10GE, where fEREF = 156.25
MHz
3.1875
For 10GFC, where fEREF = 159.375
MHz
BAUD Rate tolerance
-100
200
+100
1600
ppm
Differential input amplitude
and Input Compliance Mask
mVpp
see figure 46 on page 194
100MHz to 2.5GHz
Differential input impedance
100
Ω
|S11D|
Differential return loss (referenced to
100Ω)
10
6
dB
dB
Common mode return loss
(referenced to 25Ω)
Input Differential Skew
75
ps p-p
UI pp
at crossing point
Jitter amplitude tolerance
deterministic jitter
0.37
0.55
all jitter sources combined
deterministic + random jitter
total jitter
0.55 +
Figure 45
Note 1: Baud rate is specified relative to the 10GE or 10GFC reference clock frequency in Table 66 on page 191
Figure 45: XAUI Input Sinusoidal Jitter Tolerance Mask
8.5 UIpp
0.1 UIpp
20 MHz
22.1 kHz
1.875 MHz
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