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Altera Corporation 15
SerialLite II Protocol Reference Manual
SerialLite II Specification
can be large enough to degrade the eye opening at the receiver beyond
what is allowed in the specification. To reduce some of these effects, both
transmitter equalization and receiver pre-emphasis can be used.
Driver Characteristics
Refer to IEEE 802.3ae Clause 47.3.3 for XAUI characteristics and
OIF-CEI-02.0 Clause 6.4.1 for CIE characteristics. Table 22 describes the
characteristics for other possible frequencies.
Receiver Characteristics
Refer to IEEE 802.3ae Clause 47.3.4 for XAUI characteristics and
OIF-CEI-02.0 Clause 6.4.2 for CIE characteristics. Table 23 describes the
characteristics for other possible frequencies.
Table 2–2. Driver Characteristics
Parameter Value or Range Units
Bit rate
Tolerance
0.622 – 6.375
±300
Gbaud
ppm
Unit interval (nominal) [UI] 156 – 1607 pS
Differential amplitude
Maximum
Minimum
1600
400
mV
p-p
mV
p-p
Absolute output voltage limits
Maximum
Minimum
2.3
-0.4
V
V
Output jitter
Maximum deterministic jitter (JD)
Maximum total jitter (JT)
0.17
0.35
UI
UI
Transition Time (20% – 80%) 60 – 130 pS
Differential Output Impedance 100 ± 10% Ohm
Differential Pair Output Skew 0 – 15 pS
Table 2–3. Receiver Characteristics (Part 1 of 2)
Parameter Value Units
Bit rate
Tolerance 0.622 – 6.375
±300
Gbaud
ppm
Unit interval (nominal) [UI] 156 – 1607 pS
Receiver coupling AC
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