SaRonix
Crystal Clock Oscillator
3.3V, PECL, FR4
SEL393x Series
Technical Data
Frequency Range:
19.44 MHz to 200 MHz
Frequency Stability:
20, 25, 50 or 100 ppm over all conditionsꢀ calibration tolerance,
operating temperature, rated input (supply) voltage, load, *aging,
shock and vibration.
*Aging:
30 days (guaranteed long-term aging available)
Temperature Range:
Operatingꢀ
Storageꢀ
0 to +70°C or -40 to +85°C
-55 to +125°C
Supply Voltage (V ):
+3.3V 5ꢁ PECL
CC
Supply Current:
Output Drive:
60mA typ (70mA max) terminated as specified
ACTUAL SIZE
Symmetryꢀ
Rise & Fall Timesꢀ
Logic 0ꢀ
45/55ꢁ max @ V
or Complementary Outputs Crossing
BB
350ps typ, 550ps max, 20ꢁ to 80ꢁ of waveform
≤ V
≥ V
-1.595V (-40 to 85°C )
-1.02V (0 to +70°C), V
CC
CC
Description
Logic 1ꢀ
-1.08V (-40 to 85°C)
CC
Loadꢀ
50Ω to V
-2V (output requires termination)
CC
An FR4 SMD, LVPECL crystal oscilla-
tor for 3.3Volt operation. This oscillator
features a wide array of pad connection
options (see part number builder), tight
stabilityandexcellentjitterperformance.
RMS Period Jitterꢀ
RMS Phase Jitterꢀ
Total Jitterꢀ
5ps (1-sigma) max, accumulated jitter in 20,000 adjacent periods
1ps (1-sigma) max, phase jitter in 12kHz to 40MHz Freq. Band
30ps peak-to-peak max total jitter in 100,000 periods
Output Enable/Disable (n/a for SEL3930):
Output Enable Voltageꢀ
Disable Voltageꢀ
V
CC
V
CC
-1.475V or open
-1.165V (Q output disabled to a fixed level of Logic 0)
≤
≥
Applications & Features
Mechanical:
• SONET/SDH/DWDM
• ATM
Shockꢀ
Solderabilityꢀ
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2003
Terminal Strengthꢀ
Vibrationꢀ
Resistance to Soldering Heatꢀ
Solvent Resistanceꢀ
MIL-STD-883, Method 2004, Condition D
MIL-STD-883, Method 2007, Condition A
MIL-STD-202, Method 210, Condition I or J
MIL-STD-202, Method 215
• Fibre Channel
• Gigabit Ethernet and 10GigE routers &
switches
• 3.3V PECL (LVPECL) capability
• Frequencyrangefrom19.44to200MHz
• Economical and rugged FR4 package
• Designedforstandardreflowandwash-
ing techniques
• Available on tape & reel; 16mm tape,
500pcs per reel
• Replaces more costly SEL36/SEL37
series with comparable layout and per-
formance
• See SEL481x Series for frequencies
≥200MHz
• SeeSEL381xSeriesforsmallerceram-
ic 5x7mm package designed for optical
NICs
Environmental:
Thermal Shockꢀ
Moisture Resistanceꢀ
MIL-STD-883, Method 1011, Condition A
MIL-STD-833, Method 1004
Part Numbering Guide
SEL39
3
0
B - 155.5200 (T)
Packing Method
(T) = Tape & Reel
full reel increments only
Blank = Bulk
Series
SaRonix, LVPECL FR4SO20
+3.3V PECL
Frequency
Stability
Connection Options
AA = 20 ppm, 0 to +ꢀ0ꢁC
A = 25 ppm, 0 to +ꢀ0ꢁC
B = 50 ppm, 0 to +ꢀ0ꢁC
E = 50 ppm, ꢂ40 to +ꢃ5ꢁC
F = 100 ppm, ꢂ40 to +ꢃ5ꢁC
Pad: 1 /
2
/
3
/
4
/
5
/
6
/
• SeeSDS3811Seriesforsmallerceram-
ic 5x7mm package designed for optical
NICs with new LVDS capability
0 = OUT
V
EE
OUT
V
V
CC
1 = EN
V
OUT
EE
CC
2 = OUT EN
3 = OUT N/C
4 = EN N/C
5 = N/C EN
V
OUT N/C
OUT EN
V
V
V
V
EE
CC
CC
CC
CC
V
EE
V
OUT OUT
OUT OUT
EE
EE
V
DS-227 REV B
SaRonix 141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
www.saronix.com