ICS813001I Datasheet, PDF (7/18 Pages) Integrated Circuit Systems – DUAL VCXO W/3.3V, 2.5V LVPECL FEMTOCLOCK-TM PLL

Integrated
Circuit
Systems, Inc.
ICS813001I
DUAL VCXO W/3.3V, 2.5V LVPECL
FEMTOCLOCK™ PLL
PARAMETER MEASUREMENT INFORMATION
2V
V_CC,
V_CCA,
V_CCO
LVPECL
V_EE
SCOPE
Qx
nQx
2.8V±0.04V
2V
V_CC,
V_CCA
V_CCO
LVPECL
V_EE
SCOPE
Qx
nQx
-1.3V±0.165V
-0.5V ± 0.125V
3.3V CORE/3.3V LVPECL OUTPUT LOAD AC TEST CIRCUIT
2V
V_CC,
V_CCA,
V_CCO
LVPECL
V_EE
SCOPE
Qx
nQx
-0.5V ± 0.125V
3.3V CORE/2.5V LVPECL OUTPUT LOAD AC TEST CIRCUIT
V_CC
nCLK1
V
PP
CLK1
V_EE
Cross Points
V
CMR
2.5V CORE/2.5V LVPECL OUTPUT LOAD AC TEST CIRCUIT DIFFERENTIAL INPUT LEVELS
Phase Noise Plot
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
RMS PHASE JITTER
Q
nQ
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
813001AGI
80%
t_F
V_{SW I N G}
20%
www.icst.com/products/hiperclocks.html
7
REV. A SEPTEMBER 2, 2005