
ICS844071AG REVISION B OCTOBER 10, 2012
4
2012 Integrated Device Technology, Inc.
ICS844071 Data Sheet
FEMTOCLOCK CRYSTAL-TO-LVDS CLOCK GENERATOR
Table 3D. LVDS DC Characteristics, VDD = 3.3V ± 10%, TA = 0°C to 70°C
Table 3E. LVDS DC Characteristics, VDD = 2.5V ± 5%, TA = 0°C to 70°C
Table 4. Crystal Characteristics
NOTE: It is not recommended to overdrive the crystal input with an external clock source.
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
VOD
Differential Output Voltage
275
365
455
mV
V
OD
VOD Magnitude Change
50
mV
VOS
Offset Voltage
1.125
1.3
1.55
V
OS
VOS Magnitude Change
50
mV
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
VOD
Differential Output Voltage
205
335
465
mV
V
OD
VOD Magnitude Change
50
mV
VOS
Offset Voltage
0.89
1.2
1.48
V
OS
VOS Magnitude Change
50
mV
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
Mode of Oscillation
Fundamental
Frequency
20.833
28.3
MHz
Equivalent Series Resistance (ESR)
50
Shunt Capacitance
7pF
Drive Level
1mW