Revision 3.03 – May 25, 2007
S1220 – SONET/SDH/ATM Quad OC-3/12
with Clock Data Recovery (CDR)
Advance Data Sheet
Table 21. 2.5 V LVCMOS Output DC Characteristics
Parameter
VOH
Description
Output High Voltage
Min
Typ
Max
Units
Conditions
VDDHIO = 2.5 V
2.0
V
V
DDHI
O
I
= 1 mA
OH
VOL
Output Low Voltage
0
0.4
V
VDDHIO = 2.5 V
= 1mA
I
OL
Table 22. LVPECL Input Characteristics (SERDATIP/N, REFCLKP/N)(VDDH=3.3V, XACEN=1 For AC Couple &
XACEN=0 For DC Couple)
Parameter
VIL
Description
Input Low Voltage
Min
Typ
Max
Units
Conditions
VDDH
-2
VDDH
-1.47
V
Typ. VDDH = 3.3V
VIH
Input High Voltage
VDDH
- 1.14
VDDH
-0.8
V
VIS
Input Single-Ended Swing
Input Differential Swing
0.4
0.8
0.2
80
1.2
2.4
V
V
V
Ω
VID
VIDSensitivity
RDIFF
Input Differential Sensitivity
Differential Input Resistance
100
120
Table 23. SELVPECL Input Characteristics (SD), LVPECL 3.3 V, Compatible with LVCMOS and Most LVTTL
Parameter
VIL
Description
Input Low Voltage
Min
Typ
Max
Units
Conditions
0
VDDSD
-1.76
V
Typ. VDDSD = 3.3V
VIH
Input High Voltage
VDDSD
-1.14
VDDSD
V
Table 24. LVPECL Output Characteristics (SERDATOP/N, SERCLKOP/N, TSCLKP/N)
Parameter
VOH
Description
Output High Voltage
Min
Typ
Max
Units
Conditions
VDDH
-1.14
VDDH
-0.86
V
VOL
Output Low Voltage
VDDH
-1.90
VDDH
-1.50
V
Typ. VDDH = 3.3V
VOSINGLE
VOD
Output Single Ended Voltage
Output Differential Voltage
0.50
1.00
0.95
1.9
V
V
32
DS2018
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