A Product Line of
Diodes Incorporated
Ultra Low Jitter Crystal Oscillator
5.0 x 3.2mm
2.5V/3.3V LVDS XO
UF503/UF53
Package: (Scale: none; dimensions are in mm)
5.0 x 3.2mm Ceramic SMD
Recommended Land Pattern:
5.00 ± 0.20
2.54 ± 0.10
#4
#6
Product Features
• Ultra Low Phase Jitter
à0.06pstyp. 0.08psRMSmax.(12kHzto20MHz)
• Extended Temperature Range up to 125 C
• Totally Lead-Free & Fully RoHS Compliant
(Notes 1 & 2)
3.2 ± 0.20
1.27
2.6 ± 0.1
o
1.6
#1
#3
0.89 TYP.
• Halogen and Antimony Free. “Green” Device
(Note 3)
*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.
• For automotive applications requiring
specific change control (i.e. parts qualified
to AEC-Q100/101/200, PPAP capable, and
manufactured in IATF 16949 certified facilities),
please contact us or your local Diodes
representative.
1.20 ± 0.15
Pin Functions:
Pin
Function
OE or NC
OE or NC
Ground
Output
2.54 TYP.
1
0.1 TYP.
https://www.diodes.com/quality/product-
definitions/
2
#1
#6
#2
#5
#3
#4
3
1.20 TYP.
4
Product Description
5
Output N
VCC
The UF503/UF53 XO series is crystal oscillator
family optimized to save board space. The
seriesconsistsofhighperformanceLVDScrystal
oscillators with ultra low jitter performance to
meet strict chipset requirements. It supports
variousoptionsincludingwiderfrequencyrange,
2.5V/3.3V voltage, and various stabilities. It is
designedtomeettheclocksourcespecifications
for communication systems, and other high
performance equipment.
6
*Not for all frequencies in the
frequency range. Please contact
sales for details.
0.64 TYP.
Part Ordering Information Category:
UF 503
V
I
B
J
C
FFFF.FFFFFF
Q
E
X
F
A
D
Voltage:
1=+3.3V
2=+2.5V
Stability and Temp Range:
Q = Automotive
E = Pin 2: OE
Stability
Temp Range
Frequency:
FFFF.FFFFFF
Blank = Non-Automotive
N = Pin 1 & 2: NC
Blank = Standard Pin 1: OE
A = ±20 ppm -20 to +70°C
B = ±25 ppm -20 to +70°C
C = ±50 ppm -20 to +70°C
D = ±25 ppm -40 to +85°C
E = ±50 ppm -40 to +85°C
F = ±50 ppm -40 to +105°C
G = ±70 ppm -40 to +105°C
H = ±70 ppm -40 to +125°C
I = ±100 ppm -40 to +125°C
MHz, “4 digits/decimal/6 digits” format
Phase Jitter (Max):
Applications
• Networking Systems
A = Category 1: 0.09ps
B = Category 2: 0.08ps
• Optical Module
• Servers and Storage Systems
• Profession Video Equipment
• Test and Measurement
• FPGA/ASIC Clock Generation
• 112G Serial Applications
*For Reference Design Part:
UF53 XXX YY
Z
D
Z = Reference Design
YY = Specification Code
XXX = Frequency Code
Product Family
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm
antimony compounds.
© Diodes Incorporated
•
US: +1-408-232-9100 TW: +886-3-4518888
•
www.diodes.com
January 2022
© Diodes Incorporated
UF503/UF53
Document Number DS44500 Rev 1-2
1