ICS844256 Datasheet, PDF (5/16 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

ICS844256
FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER PRELIMINARY
TABLE 4D. LVDS DC CHARACTERISTICS, V_DD = V_DDO = 3.3V±5% TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
Minimum
V_OD
Differential Output Voltage
Δ V_OD
V_OD Magnitude Change
V_OS
Offset Voltage
Δ V_OS
V_OS Magnitude Change
NOTE: Please refer to Parameter Measurement Information for output information.
Typical
350
40
1.25
50
Maximum
Units
mV
mV
V
mV
TABLE 4E. LVDS DC CHARACTERISTICS, V_DD = 3.3V±5%, V_DDO = 2.5V±5%, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
Minimum Typical
V_OD
Δ V_OD
V_OS
Δ V_OS
Differential Output Voltage
V_OD Magnitude Change
Offset Voltage
V_OS Magnitude Change
350
40
1.25
50
Maximum
Units
mV
mV
V
mV
TABLE 5. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Test Conditions
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
NOTE: Characterized using an 18pF parallel resonant crystal.
Minimum Typical Maximum Units
Fundamental
15.625
25.5
MHz
50
Ω
7
pF
1
mW
IDT^™ / ICS^™ LVDS FREQUENCY SYNTHESIZER W/FANOUT BUFFER 5
ICS844256BG REV. B NOVEMBER 19, 2007