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S19237 – SONET STS-192/10GbE CMOS Transceiver
with ISI Compensation
AMCC Confidential and Proprietary
DS1454
51
Data Sheet
Table 26. High-Speed CML Input/Output Characteristics (TSD, SERDATI)
Parameter
Description
Min
Typ
Max
Units
Conditions
VODIFF
Serial Output Differential Voltage
Swing (TSDAMPADJ = 0) - XFP
Swing (TSDAMPADJ = 1) - Others
360
800
770
1400
mV
Output loading is 100
line-to-line.
VOSINGLE
Serial Output Single Ended Voltage
Swing (TSDAMPADJ = 0) - XFP
Swing (TSDAMPADJ = 1) - Others
180
400
385
700
mV
Output loading is 100
line-to-line.
RODIFF
Differential Output Impedance
80
100
120
SDD22
Differential Output Return Loss
(For XFP Applications)
20
dB
0.05 - 0.1 GHz
10
dB
0.1 - 7.5 GHz
dB
7.5-15GHz - SDD22= 10-16.6
Log10(f/7.5), with f in GHz
SCC22
Common Mode Output Return
Loss (For XFP Applications)
6
dB
0.01 - 15 GHz. Common mode refer-
ence impedance is 25
.
RODIFF
Differential Output Impedance
80
100
120
VIDIFF
Differential Input Voltage Swing
1400
mV
VISINGLE
Single-ended Input Voltage Swing
700
mV
RIDIFF
Differential Input Impedance
80
100
120
SDD11
Differential Input Return Loss
(For XFP Applications)
20
dB
0.05 - 0.1 GHz
10
dB
0.1 - 7.5 GHz
dB
7.5 - 15 GHz - SDD11= 10-16.6
Log10(f/7.5) from with f in GHz
SCC11
Common Mode Input Return Loss
(For XFP Applications)
6
dB
0.1 - 15 GHz.
SCD11
Differential to Common Mode Input
Conversion (For XFP Applications)
12
dB
0.1 - 15 GHz.
Table 27. Phase Detector CML Output Characteristics (PD_UP/DWN)
Parameter
Description
Min
Typ
Max
Units
Conditions
VODIFF
Serial Output Differ-
ential Voltage
640
800
mV
With PDUPP/PDDWNN and PDUPN/PDDWNP cross-
coupled. Over process, voltage and temperature range.
Output loading is 100
line-to-line. See Figure
24.
VOSINGLE
Serial Output Single
Ended Voltage
320
400
mV
With PDUPP/PDDWNN and PDUPN/PDDWNP cross-
coupled. Over process, voltage and temperature range.
Output loading is 100
line-to-line. See Figure
24.
RODIFF
Differential Output
Impedance
80
100
120
Over process, voltage and temperature range.