Revision 3.03 – May 25, 2007
S1220 – SONET/SDH/ATM Quad OC-3/12
with Clock Data Recovery (CDR)
Advance Data Sheet
Table 25. LVDS Output Characteristics (SERDATOP/N, SERCLKOP/N, TSCLKP/N)
Parameter
Description
Output High Voltage
Min
Typ Max Units
Conditions
VOH
1.23
1.46
1.10
0.44
V
V
V
VOL
VOS
Output Low Voltage
0.94
0.25
100 Ω line to line termination
LVDS Serial Output Single-Ended Voltage
Swing
Output swing is measured at DC
VOD
LVDS Serial Output Differential Voltage
Swing
0.50
0.88
V
Output swing is measured at DC
Table 26. LVDS Input Characteristics (SERDATIP/N, REFCLKP/N)
Parameter
Description
Input Low Voltage
Min
Typ Max Units
Conditions
VIL
0.8
V
VIH
VIS
Input High Voltage
2.44
0.65
V
V
LVDS Serial Input Single-Ended Voltage
Swing
0.10
0.20
VID
LVDS Serial Input Differential Voltage
Swing
1.30
V
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