
ICS8422002AGI REVISION A AUGUST 12, 2009
7
2009 Integrated Device Technology, Inc.
ICS8422002I Data Sheet
FEMTOCLOCK CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
Parameter Measurement Information
3.3V/1.8V Output Load AC Test Circuit
Output Skew
Output Rise/Fall Time
2.5V/1.8V Output Load AC Test Circuit
RMS Phase Jitter
Output Duty Cycle/Pulse Width/Period
SCOPE
Qx
nQx
LVHSTL
GND
3.3V±5%
1.8V±0.2V
0V
VDDA
VDDO
VDD
3.3V±5%
nQx
Qx
nQy
Qy
tsk(o)
20%
80%
20%
tR
t F
VSWING
Q0, Q1
nQ0, nQ1
SCOPE
Qx
nQx
LVHSTL
GND
VDD
VDDA
VDDO
0V
2.5V±5%
1.8V±0.2V
2.5V±5%
Phase Noise Mask
Offset Frequency
f
1
f
2
Phase Noise Plot
RMS Jitter = Area Under the Masked Phase Noise Plot
Noise
P
o
w
er
Q0, Q1
nQ0, nQ1
t
PW
t
PERIOD
t
PW
t
PERIOD
odc =
x 100%