ICS843031-01 Datasheet, PDF (6/16 Pages) Integrated Device Technology – FEMTOCLOCKS™ CRYSTAL-TO- 3.3V, 2.5V LVPECL CLOCK GENERATOR

ICS843031-01
FEMTOCLOCKS™ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR
PARAMETER MEASUREMENT INFORMATION
2V
2V
V_CC
V_CCA
LVPECL
SCOPE
Qx
nQx
-1.3V ± 0.165V
3.3V OUTPUT LOAD AC TEST CIRCUIT
nQ
Q
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
2V
2V
V_CC
V_CCA
LVPECL
V_EE
SCOPE
Qx
nQx
-0.5V ± 0.125V
2.5V OUTPUT LOAD AC TEST CIRCUIT
Phase Noise Plot
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
RMS PHASE JITTER
Clock
20%
Outputs
80%
t_R
80%
t_F
V_{SW I N G}
20%
OUTPUT RISE/FALL TIME
IDT^™ / ICS^™ 3.3V, 2.5V LVPECL CLOCK GENERATOR
6
ICS843031AG-01 REV. A AUGUST 1, 2007