
ICS844251-14
FEMTOCLOCK CRYSTAL-TO-LVDS CLOCK GENERATOR
IDT / ICS LVDS CLOCK GENERATOR
4
ICS844251BG-14 REV. A NOVEMBER 19, 2012
Table 3D. LVDS DC Characteristics, VDD = 3.3V ± 5%, TA = 0°C to 70°C
Table 3E. LVDS DC Characteristics, VDD = VDDA = 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.
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
VOD
Differential Output Voltage
247
454
mV
V
OD
VOD Magnitude Change
50
mV
VOS
Offset Voltage
1.275
1.525
V
OS
VOS Magnitude Change
50
mV
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
VOD
Differential Output Voltage
247
454
mV
V
OD
VOD Magnitude Change
50
mV
VOS
Offset Voltage
1.0
1.4
V
OS
VOS Magnitude Change
50
mV
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
Mode of Oscillation
Fundamental
Frequency
23.2
30
MHz
Equivalent Series Resistance (ESR)
50
Shunt Capacitance
7pF