ICS843004-02 Datasheet, PDF (5/12 Pages) Integrated Circuit Systems – CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS843004-02
CRYSTAL-TO-3.3V LVPECL
FREQUENCY SYNTHESIZER
TABLE
4C.
LVPECL
DC
CHARACTERISTICS,
V =V =V
CC
CCA
CCO
=
3.3V±5%, TA
=
0°C
TO
70°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_CCO - 2V.
V_CCO - 1.4
V_CCO - 2.0
0.6
Typical
Maximum
V_CCO - 0.9
V_CCO - 1.7
1.0
Units
V
V
V
TABLE 5. CRYSTAL CHARACTERISTICS
Parameter
Test Conditions
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
NOTE: Characterized using an 18pf parallel resonant crystal.
Minimum Typical Maximum
Fundamental
14
37.78
50
7
Units
MHz
MHz
Ω
pF
TABLE 6.
AC
CHARACTERISTICS,
V
CC
=
V
CCA
=
V
CCO
= 3.3V±5%, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
Minimum Typical
f_OUT
Output Frequency
f_VCO
PLL VCO Lock Range
F_SEL0:F_SEL2 = 0
74.17
562.5
562.5
tsk(o) Output Skew; NOTE 1
15
tjit(Ø) RMS Phase Jitter; NOTE 2, 3
155.52MHz, 12kHz -20MHz
0.91
t_L
PLL Lock Time
TBD
t_R / t_F
Output Rise/Fall Time
20% to 80%
450
odc
Output Duty Cycle
50
NOTE 1: Defined as skew between outputs at the same supply voltages and with equal load conditions.
Measured at the output differential cross points.
NOTE 2: Phase jitter is dependent on the input source used.
NOTE 3: This parameter is defined in accordance with JEDEC Standard 65.
Maximum
637.5
640
580
Units
MHz
MHz
MHz
ps
ps
ms
ps
%
843004AG-02
www.icst.com/products/hiperclocks.html
5
REV. A JULY 20, 2005