TM
Application Specific Crystal Oscillator 7.0 x 5.0mm
3.3V CMOS Low-Jitter 155.52 MHz GPON XO
SXGPON155
7.0 x 5.0mm Ceramic SMD
ASSP XO™ for Networking
Package:
Product Features
• Very low phase jitter - 0.5ps RMS
• Thicker crystal for improved reliability
• Low output current - 20mA max.
• Industrial Temperature Range
• Pb-free & RoHS compliant
Recommended Land Pattern:
Product Description
This is an enhanced high-frequency 3.3V,
155.52MHz crystal clock oscillator with
superb jitter and low operating current for
Gigabit Passive Optical Network (GPON)
applications.
The output clock signal, generated internally
with a patented oscillator design, is
compatible with LVCMOS logic levels.
Pin Functions:
Pin
Function
1
2
3
4
OE Function
Ground
Clock Output
V
DD
Applications
• GPON Optical Network Unit (ONU)
• GPON Optical Line Termination (OLT)
• GPON Gateway
*Extended high frequency power decoupling is recommended (see test circuit for minimum
recommendation). To ensure optimal performance, do not route RF traces beneath the
package.
Part Ordering Information:
SXGPON155
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888
10-0020
•
www.pericom.com
04/09/10
1
All specifications are subject to change without notice.
SXGPON155
Rev C
3.3V CMOS Low-Jitter 155.52 MHz GPON XO
SXGPON155
TM
Application Specific Crystal Oscillator 7.0 x 5.0mm
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output Frequency
Supply Voltage
Supply Current, Output Enabled
Supply Current, Output Disabled
Frequency Stability
Operating Temperature Range
Output Logic 0, V
OL
Output Logic 1, V
OH
Output Load
Duty Cycle
Rise and Fall Time
Jitter, Phase RMS (1-σ)
Jitter, pk-pk
45
90% V
DD
-40
2.97
155.52
3.3
3.63
20
10
±50
+85
10% V
DD
15
55
2
0.25
30
0.5
40
MHz
V
mA
mA
ppm
°C
V
V
pF
%
ns
ps
ps
Measured 50% V
DD
Measured 20/80% of waveform
12kHz to 20 MHz frequency band
100.000 random periods
Output Hi-Z
See Note 1 below
Industrial
Notes:
1. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),
aging (1 year at 25°C average effective ambient temperature), shock and vibration.
2. For specifications othere than those listed, please contact sales.
Output Enable / Disable Function
Parameter
Min.
Typ.
Max.
Units
Notes
Input Voltage (pin 1), Output Enable
Input Voltage (pin 1), Output Disable (low power standby)
Internal Pullup Resistance
Output Disable Delay
Output Enable Delay
2.2
0.8
50
100
1
V
V
kΩ
ns
ms
or open
Output is Hi-Z
Absolute Maximum Ratings
Parameter
Min.
Typ.
Max.
Units
Notes
Storage Temperature
-55
+125
°C
For the latest product information visit:
http://www.pericom.com/products/timing/oscillators/SXGPON155/
For test circuit go to:
http://www.pericom.com/pdf/sre/tc_hcmos.pdf
For soldering reflow profile and reliability test ratings go to:
http://www.pericom.com/pdf/sre/reflow.pdf
For typical phase noise go to:
http://www.pericom.com/pdf/sre/pn_SXGPON155.pdf
For tape and reel information go to:
http://www.pericom.com/pdf/sre/tr_7050.pdf
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888
10-0020
•
www.pericom.com
04/09/10
2
All specifications are subject to change without notice.
SXGPON155
Rev C
编程基础
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