ICS843003 Datasheet, PDF (9/17 Pages) Integrated Circuit Systems – FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
ICS843003
FEMTOCLOCKS™CRYSTAL-TO-3.3V LVPECL
FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
2V
V_CC,
V_CCA, V_{CCO_A. _B}
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
OUTPUT SKEW
Phase Noise Plot
nQB0
QB0
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
nQB1
QB1
t sk(b)
RMS PHASE JITTER
BANK SKEW
nQA0,
nQB0, nQB1
QA0,
QB0, QB1
Pulse Width
t
PERIOD
odc = ^{t PW}
t _PERIOD
Clock _20%
Outputs
80%
t_R
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
OUTPUT RISE/FALL TIME
843003AG
www.icst.com/products/hiperclocks.html
9
80%
t_F
V_{SW I N G}
20%
REV. A JULY 27, 2004