ICS843071I Datasheet, PDF (7/15 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO- LVPECL CLOCK GENERATOR

Integrated
Circuit
Systems, Inc.
ICS843071I
FEMTOCLOCKS™CRYSTAL-TO- LVPECL
CLOCK GENERATOR
PARAMETER MEASUREMENT INFORMATION
2V
V_CC,
V_CCA
LVPECL
V_EE
-1.3V ± 0.330V
SCOPE
Qx
nQx
2V
V_CC,
V_CCA
LVPECL
V_EE
-0.5V ± 0.250V
SCOPE
Qx
nQx
LVPECL 3.3V OUTPUT LOAD AC TEST CIRCUIT
LVPECL 2.5V OUTPUT LOAD AC TEST CIRCUIT
Clock _20%
Outputs
80%
t_R
OUTPUT RISE/FALL TIME
nQ
80%
Q
V_{SW I N G}
20%
t_F
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
Phase Noise Plot
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
RMS PHASE JITTER
843071AGI
www.icst.com/products/hiperclocks.html
7
REV. A JANUARY 11, 2006