A product Line of
Diodes Incorporated
Ultra Low Jitter LVPECL Crystal Oscillator
5.0 x 3.2mm
UX52/UX502
2.5/3.3V LVPECL XO
5.0 x 3.2mm Ceramic SMD
Package: (Scale: none; dimensions are in mm)
Recommended Land Pattern:
Product Features
• Ultra low phase jitter for 40G/100G systems
• 0.1ps RMS max. (12kHz to 20MHz), Category 1
• 0.2ps RMS max. (12kHz to 20MHz), Category 1
• 0.3ps RMS max. (12kHz to 20MHz), Category 2
• Industrial Temperature Range
*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.
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
• Pb-free & RoHS compliant
Product Description
The UX52/UX502 XO series is a high
performance LVPECL crystal oscillator family
with ultra low jitter performance. It supports
various options including wider frequency
range, 2.5/3.3 voltage, various stabilities,
and different package sizes. It is designed
to meet the clock source specifications for
communication systems, and other high
performance equipment.
Pin Functions:
UX52 XXX YYY
• Networking Systems
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
• Servers and Storage Systems
YYYY = Specification�Code
XXX = Frequency�Code
Product�Family
• Profession Video Equipments
• Test and Measurement
1
OE Function
2
N/C
3
Ground
4
Q
5
Q
6
VCC
*Not for all frequencies in the
frequency range. Please contact
sales for details.
Part Ordering Information Category 2:
• FPGA/ASIC Clock Generation
UX 502 V
A
Voltage:
1=+3.3V
2=+2.5V
© Diodes Incorporated
Document Number DS40812 Rev 1-2
Function
Part Ordering Information Category 1:
Applications
UX52/UX502
Pin
•
I
FFFF.FFFFFF
B
C
Stability and Temp Range:
Stability
A = +/-20 ppm
B = +/-25 ppm
C = +/-50 ppm
D = +/-25 ppm
E = +/-50 ppm
Temp Range
-20/+70°C
-20/+70°C
-20/+70°C
-40/+85°C
-40/+85°C
Frequency:
FFFF.FFFFFF
MHz, “4 digits/decimal/6 digits” format
US: +1-408-232-9100 TW: +886-3-4518888 • www.diodes.com
1
February 2018
© Diodes Incorporporated
2.5/3.3V LVPECL XO UX52/UX502
Ultra Low Jitter LVPECL
Crystal Oscillator 5.0 x 3.2mm
A product Line of
Diodes Incorporated
Electrical Performance
Parameter
Min.
Output Frequency
Typ.
Max.
Units
212.5
MHz
3.135
3.3
3.465
2.375
2.5
2.625
25
Supply Voltage
Supply Current, Output Enabled
70
Supply Current, Output Disabled
Frequency Stability
Operating Temperature Range
-40
Output Logic 0, VOL
V
See ordering options
mA
25
mA
±50
ppm
See ordering options
+85
°C
See ordering options
VCC-1.55
V
VCC-1.2
Output Logic 1, VOH
Notes
V
Output Load
50Ω to VCC -2V output termination
Duty Cycle
45
Rise and Fall Time
55
%
Measured 50% VCC
600
ps
Measured 20/80% of waveform
12kHz to 20 MHz frequency band, See
ordering information category 1
0.1
ps
0.2
ps
Jitter, Phase RMS (1-σ), Category 2
0.3
ps
12kHz to 20 MHz frequency band, See
ordering information category 2
Jitter, pk-pk
30
ps
100,000 random periods
Jitter, Phase RMS (1-σ), Category 1
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.
Input Voltage (pin 1), Output Enable
Typ.
Max.
0.7 VCC
Input Voltage (pin 1), Output Disable (low power standby)
0.3 VCC
Internal Pullup Resistance
100
Units
Notes
V
or open
V
Output is Hi-Z
kΩ
Output Disable Delay
80
ns
Output Enable Delay
80
ns
Start up Time
3
ms
Max.
Units
+125
°C
Absolute Maximum Ratings
Parameter
Min.
Storage Temperature
Typ.
-55
Notes
For the latest product information visit: https://www.diodes.com/products/connectivity-and-timing/crystal-and-crystal-oscillator/
For test circuit go to: https://www.diodes.com/assets/sre/tc_pecl.pdf
For soldering reflow profile and reliability test ratings go to: https://www.diodes.com/assets/sre/reflow.pdf
For tape and reel information go to: https://www.diodes.com/assets/sre/tr_5032_xo.pdf
© Diodes Incorporated
UX52/UX502
Document Number DS40812 Rev 1-2
•
US: +1-408-232-9100 TW: +886-3-4518888 • www.diodes.com
2
February 2018
© Diodes Incorporporated
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