ICS843241I-04 Datasheet, PDF (4/14 Pages) Integrated Device Technology – FEMTOCLOCKS™ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR

ICS843241I-04
FEMTOCLOCKS™ CRYSTAL-TO- 3.3V, 2.5V LVPECL CLOCK GENERATOR
PRELIMINARY
TABLE
2D.
LVPECL
DC
CHARACTERISTICS,
V
CC
=
3.3V±5%,
TA
=
-40°C
TO
85°C
Symbol Parameter
Test Conditions
Minimum
V_OH
Output High Voltage; NOTE 1
V_OL
Output Low Voltage; NOTE 1
V_SWING Peak-to-Peak Output Voltage Swing
NOTE 1: Outputs terminated with 50Ω to V_CC - 2V.
V_CC - 1.4
V_CC - 2.0
0.6
Typical
Maximum
V_CC - 0.9
V_CC - 1.7
1.0
Units
V
V
V
TABLE
2E.
LVPECL
DC
CHARACTERISTICS,
V
CC
=
2.5V±5%,
TA
=
-40°C
TO
85°C
Symbol Parameter
Test Conditions
Minimum
V_OH
Output High Voltage; NOTE 1
V_OL
Output Low Voltage; NOTE 1
V_SWING Peak-to-Peak Output Voltage Swing
NOTE 1: Outputs terminated with 50Ω to V_CC - 2V.
V_CC - 1.4
V_CC - 2.0
0.4
Typical
Maximum
V_CC - 0.9
V_CC - 1.5
1.0
Units
V
V
V
TABLE 3. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
Test Conditions
Minimum Typical Maximum
Fundamental
20.833
28.3
50
7
1
Units
MHz
Ω
pF
mW
TABLE
4A.
AC
CHARACTERISTICS,
V
CC
=
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
150MHz @ Integration Range:
12kHz - 20MHz
t_R / t_F
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
NOTE 1: Please refer to the Phase Noise Plot following this section.
Minimum Typical Maximum Units
150
MHz
1.2
ps
400
ps
50
%
TABLE 4B. AC CHARACTERISTICS, V_CC = 2.5V±5%, TA = -40°C TO 85°C
Symbol Parameter
Test Conditions
f_OUT
tjit(Ø)
Output Frequency
RMS Phase Jitter ( Random);
NOTE 1
150MHz @ Integration Range:
12kHz - 20MHz
t_R / t_F
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
NOTE 1: Please refer to the Phase Noise Plot following this section.
Minimum Typical Maximum Units
150
MHz
1.42
ps
400
ps
50
%
IDT^™ / ICS^™ 150MHZ, 3.3V, 2.5V LVPECLCLOCK GENERATOR
4
ICS843241AGI-04 REV. A MAY 1, 2008