ICS8422002I-01 Datasheet, PDF (7/15 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER

ICS8422002I-01
FEMTOCLOCKS™ CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
Parameter Measurement Information
3.3V±5%
1.8V±0.2V
V_DD,
V_DDA
V_DDO
LVHSTL
GND
SCOPE
Qx
nQx
2.5V±5%
1.8V±0.2V
V_DD,
V_DDA
V_DDO
LVHSTL
GND
PRELIMINARY
SCOPE
Qx
nQx
0V
3.3V/1.8V Output Load AC Test Circuit
0V
2.5V/1.8V Output Load AC Test Circuit
nQx
Qx
nQy
Qy
t sk(o)
Output Skew
Phase Noise Plot
Phase Noise Mask
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
RMS Phase Jitter
Clock _20%
Outputs
80%
t_R
Output Rise/Fall Time
80%
t_F
V_{SW I N G}
20%
nQ0, nQ1
Q0, Q1
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
Output Duty Cycle/Pulse Width/Period
IDT™ / ICS™ LVHSTL FREQUENCY SYNTHESIZER
7
ICS8422002AGI-01 REV. C NOVEMBER 1, 2007