PRELIMINARY SPECIFICATIONS
Model: FXU-HC52 SERIES
HCMOS 5 x 3.2mm 2.5V Oscillator
Features
ULTRA Low Jitter
Low Cost
X
PRESS
Delivery
Frequency Resolution to six decimal places
Stabilities to ± 20 PPM
-20 to +70°C or -40 to +85°C operating temperatures
Tri-State Enable / Disable Feature
Industry Standard Package, Footprint & Pin-Out
Fully RoHS compliant
Gold over Nickel Termination Finish
Serial ID with Comprehensive Traceability
V
DD
Enable / Disable
Freq: 0.016 MHz to 167 MHz
*
Rev. 02/12/2014
Applications
ANY application requiring a high
performance HCMOS oscillator
SONET
Ethernet
Storage Area Network
Broadband Access
Microprocessors / DSP / FPGA
Industrial Controllers
Test and Measurement Equipment
X
PRESS
O
ASICs
GND
FOX
OUTPUT
For more information -- Click on the drawing
Description
The Fox X
PRESS
O-ULTRA Crystal Oscillator is a
breakthrough in configurable Frequency Control
Solutions. X
PRESS
O-ULTRA utilizes a family of
proprietary ASICs, designed and developed by Fox,
with a key focus on noise reduction technologies.
The 4
th
order Delta Sigma Modulator reduces noise to
the levels that are comparable to traditional Bulk
Quartz and SAW oscillators. The ASICs family has
the ability to select the output type and supply
voltage.
With the X
PRESS
O-ULTRA lead-time, low cost, low
noise, wide frequency range, excellent ambient
performance, X
PRESS
O-ULTRA is an excellent choice
over the conventional technologies.
Finished X
PRESS
O-ULTRA parts are 100% final
tested.
Note * – Higher frequencies are available.
Contact Fox Technical Support for details.
Contents
page
Model Selection & Part Number Guide
2
Electrical Characteristic
3
Absolute Maximums
3
Output Wave Characteristics
4
Phase Noise
5
Jitter
5
Pin Assignment
6
Recommended Circuit
6
Reflow
6
Mechanical Drawing and Pad Layout
7
Tape and Reel Specification
8
Label
8
Traceability – LOT Number & Serial Identification 9
Mechanical Test
10
11
Other X
PRESS
O Series Links
Fox Contact Information
11
Page 1 of 11
Fox Electronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554
An Integrated Device Technology, Inc. company
FOXonline.com
PRELIMINARY SPECIFICATIONS
FXU-HC52 Series
Output Wave Characteristics
Parameters
Low Output Voltage
High Output Voltage
Output Symmetry
@ 50% V
DD
Level
(See Drawing Below)
Output Enable
(PIN # 1)
Voltage
Output Disable
(PIN # 1)
Voltage
Cycle Rise Time
(10%~90%V
DD
- See Drawing Below)
Symbol
V
OL
V
OH
Condition
0.016 MHz to 167 MHz
0.016 MHz to 167 MHz
0.016 to 62.5 MHz
62.5+ to 167 MHz
Maximum Value
(unless otherwise noted)
V
IH
V
IL
T
R
T
F
0.016 to 167 MHz
0.016 to 167 MHz
10%V
DD
90%V
DD
Minimum
45% ~ 55%
40% ~ 60%
≥
70% V
DD
≤
30% V
DD
2.0 nS Typical
1.0 nS Typical
Cycle Fall Time
(90%~10%V
DD
- See Drawing Below)
Rise Time / Fall Time Measurements
10% to 90%
0V to V
DD
20% to 80%
30% to 70%
10% - 90%
Rise Time
On Time
1/2 Period
90% - 10%
Fall Time
80 - 20
Times
70 - 30
Times
Oscillator Symmetry
Off Time
1/2 Period
50% V
DD
Period
Ideally, Symmetry should be 50/50 -- Other expressions are 45/55 or 55/45
Page
4 of 11
© 2014 FOX ELECTRONICS | ISO9001:2008 Certified
An Integrated Device Technology, Inc. company
PRELIMINARY SPECIFICATIONS
FXU-HC52 Series
Phase Noise (typical measurements at 125 MHz)
.
HCMOS Phase Jitter (typical measurement at 125 MHz)
Frequency
125 MHz
0.36
Phase Jitter (pS)
(per SONET OC-48: 12kHz to 20 MHz)
)
Phase Jitter
is integrated from Agilent 5052A Signal Noise Analyzer; measured directly into 50 ohm input; V
DD
=2.5V.
Page
5 of 11
© 2014 FOX ELECTRONICS | ISO9001:2008 Certified
An Integrated Device Technology, Inc. company
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