ICS843N252-45 Datasheet, PDF (6/16 Pages) Integrated Device Technology – Fourth generation FemtoClock

ICS843N252-45 Data Sheet
Parameter Measurement Information
2V
2V
V_CC
V_CCA
LVPECL
V_EE
SCOPE
Qx
nQx
-1.3V± 0.165V
3.3V LVPECL Output Load AC Test Circuit
FEMTOCLOCK^® CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
1.65V±5%
1.65V±5%
V_CC,
V_CCOA
V_CCA
GND
SCOPE
Qx
-1.65V±5%
3.3V LVCMOS Output Load AC Test Circuit
Phase Noise Plot
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under Curve Defined by the Offset Frequency Markers
RMS Phase Jitter
nQB
QB
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
LVPECL Output Duty Cycle/Pulse Width/Period
QA
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
LVCMOS Output Duty Cycle/Pulse Width/Period
nQB
20%
QA, QB
80%
t_R
Output Rise/Fall Time
80%
t_F
V_{SW I N G}
20%
ICS843N252GG-45 REVISION A JULY 6, 2011
6
©2011 Integrated Device Technology, Inc.