ICS844246 Datasheet, PDF (5/13 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS844246
FEMTOCLOCKS™ CRYSTAL-TO-LVDS
FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
TABLE 4D. LVDS DC CHARACTERISTICS, V_DD = V_DDA = 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
387
40
1.29
50
Maximum
Units
mV
mV
V
mV
TABLE 4E. LVDS DC CHARACTERISTICS, V_DD = V_DDA = 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
379
40
1.24
50
Maximum
Units
mV
mV
V
mV
TABLE 5. CRYSTAL CHARACTERISTICS
Parameter
Test Conditions
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
NOTE: Characterized using an 18pf parallel resonant crystal.
Minimum Typical Maximum
Fundamental
25
33.333
50
7
1
Units
MHz
Ω
pF
mW
844246AM
www.icst.com/products/hiperclocks.html
5
REV. A SEPTEMBER 29, 2005