ICS813252I-02 Datasheet, PDF (9/22 Pages) Integrated Device Technology – VCXO JITTER ATTENUATOR & FEMTOCLOCK™ MULTIPLIER

ICS813252I-02
VCXO JITTER ATTENUATOR & FEMTOCLOCK™ MULTIPLIER
PARAMETER MEASUREMENT INFORMATION
2V
2V
V_CC,
V_CCO,
V_CCX
V_CCA
LVPECL
V_EE
SCOPE
Qx
nQx
-1.3V ± 0.165V
3.3V OUTPUT LOAD AC TEST CIRCUIT
Phase Noise Plot
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
V_CC
nCLK0,
nCLK1
V
PP
CLK0,
CLK1
V_EE
Cross Points
DIFFERENTIAL INPUT LEVEL
nFOUTx
FOUTx
nFOUTy
FOUTy
t sk(o)
V
CMR
PHASE JITTER
OUTPUT SKEW
nQA, nQB
20%
QA, QB
80%
t_R
80%
t_F
V_{SW I N G}
20%
nQA, nQB
QA, QB
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT RISE/FALL TIME
IDT^™ / ICS^™ VCXO JITTER ATTENUATOR/MULTIPLIER
OUTPUT DUTY CYCLE/PULSE WIDTH/tPERIOD
9
CS813252CKI-02 REV. A OCTOBER 22, 2008