ICS843002I Datasheet, PDF (7/16 Pages) Integrated Circuit Systems – FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
ICS843002I
FEMTOCLOCKS™ CRYSTAL-TO-3.3V, 2.5V
LVPECL FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
2V
V_CC,
V_CCA, V_CCO
LVPECL
V_EE
SCOPE
Qx
nQx
-1.3V ± 0.33V
3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT
2V
V_CC,
V_CCA, V_CCO
LVPECL
V_EE
SCOPE
Qx
nQx
-0.5V ± 0.125V
2.5V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT
nQx
Qx
nQy
Qy
t sk(o)
REF_CLK
nQ0, nQ1
Q0, Q1
t_PD
OUTPUT SKEW
PROPAGATION DELAY
Phase Noise Plot
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
RMS PHASE JITTER
nQ0, nQ1
Q0, Q1
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
80%
Clock
20%
Outputs
t_R
OUTPUT RISE/FALL TIME
843002AGI
80%
t_F
V_{SW I N G}
20%
www.icst.com/products/hiperclocks.html
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REV. A JANUARY 4, 2006