ICS843004-02 Datasheet, PDF (6/12 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
PARAMETER MEASUREMENT INFORMATION
2V
V_CC,
V_CCA, V_CCO
LVPECL
V_EE
-1.3V±0.165V
nQx
SCOPE
Qx
Qx
nQy
nQx
Qy
t sk(o)
3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT
Phase Noise Plot
OUTPUT SKEW
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
Clock
20%
Outputs
80%
t_R
RMS PHASE JITTER
OUTPUT RISE/FALL TIME
80%
t_F
V_{SW I N G}
20%
nQ0:nQ3
Q0:Q3
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
843004AG-02
www.icst.com/products/hiperclocks.html
6
REV. A JULY 20, 2005