ICS844011I Datasheet, PDF (4/10 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO- LVDS CLOCK GENERATOR

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS844011I
FEMTOCLOCKS™CRYSTAL-TO- LVDS
CLOCK GENERATOR
TABLE 3D. LVDS DC CHARACTERISTICS, V_DD = V_DDA = 3.3V±5%, TA = -40°C TO 85°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
3E.
LVDS
DC
CHARACTERISTICS,
V
DD
=
V
DDA
=
2.5V±5%,
TA
=
-40°C
TO
85°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
50
1.2
40
Maximum
Units
mV
mV
V
mV
TABLE 4. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
Test Conditions
Minimum Typical Maximum
Fundamental
20.4
28.3
50
7
1
Units
MHz
Ω
pF
mW
TABLE 5A. AC CHARACTERISTICS, V_DD = V_DDA = 3.3V±5%, TA = -40°C TO 85°C
Symbol Parameter
Test Conditions
f_OUT
tjit(Ø)
Output Frequency
RMS Phase Jitter ( Random);
NOTE 1
106.25MHz @ Integration Range:
637kHz - 10MHz
100MHz @ Integration Range:
637kHz - 10MHz
t_R / t_F
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
NOTE 1: Please refer to the Phase Noise Plots following this section.
Minimum Typical Maximum Units
81.66
113.33 MHz
TBD
ps
0.75
ps
275
ps
50
%
TABLE 5B. AC CHARACTERISTICS, V_DD = V_DDA = 2.5V±5%, TA = -40°C TO 85°C
Symbol Parameter
Test Conditions
Minimum
f_OUT
tjit(Ø)
t_R / t_F
odc
Output Frequency
RMS Phase Jitter ( Random);
NOTE 1
Output Rise/Fall Time
Output Duty Cycle
106.25MHz @ Integration Range:
637kHz - 10MHz
100MHz @ Integration Range:
637kHz - 10MHz
20% to 80%
81.66
NOTE 1: Please refer to the Phase Noise Plots following this section.
844011AGI
www.icst.com/products/hiperclocks.html
Typical
TBD
0.93
295
50
Maximum Units
113.33 MHz
ps
ps
ps
%
REV. A JUNE 28, 2005
4