I347-AT4 Datasheet, PDF (123/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

Electrical and Timing Specifications—I347-AT4
5.5
SGMII Interface Timing
5.5.1
SGMII Output AC Characteristics
Symbol
Parameter
T_FALL
T_RISE
CLOCK
V_OD Fall time (20% - 80%)
V_OD Rise time (20% - 80%)
Clock signal duty cycle @ 625 MHz
T_SKEW11
Skew between two members of a
differential pair
T_OutputJitter
Total Output Jitter Tolerance (Deterministic
+ 14*rms Random)
1. Skew measured at 50% of the transition.
Min
100
100
48
Typ
127
Max
200
200
52
20
Units
ps
ps
%
ps
ps
S_OUTP/N
T_RISE
T_SOUTPUT
T_FALL
S_CLKP/N
T_RISE
T_FALL
Figure 28. Serial Interface Rise and Fall Times
5.5.2
SGMII Input AC Characteristics
Symbol
T_InputJitter
Parameter
Total Input Jitter Tolerance (Deterministic +
14*rms Random)
Min
Typ
Max
599
Units
ps
113