SaRonix
Crystal Clock Oscillator
Technical Data
Frequency Range:
Frequency Stability:
19.44 MHz to 200 MHz
±20, ±25, ±50 or ±100 ppm over all conditions: calibration tolerance,
operating temperature, rated input (supply) voltage, load, *aging,
shock and vibration.
30 days (guaranteed long-term aging available)
0 to +70°C or -40 to +85°C
-55 to +125°C
+3.3V ±5% PECL
60mA typ (70mA max) terminated as specified
3.3V, PECL, FR4
SEL393x Series
*Aging:
Temperature Range:
Operating:
Storage:
Supply Voltage (V
CC
):
Supply Current:
Output Drive:
ACTUAL SIZE
Description
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
stability and excellent jitter performance.
Applications & Features
•
•
•
•
•
•
•
•
•
•
SONET/SDH/DWDM
ATM
Fibre Channel
Gigabit Ethernet and 10GigE routers &
switches
3.3V PECL (LVPECL) capability
Frequency range from 19.44 to 200MHz
Economical and rugged FR4 package
Designed for standard reflow and wash-
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
See SEL381x Series for smaller ceram-
ic 5x7mm package designed for optical
NICs
See SDS3811 Series for smaller ceram-
ic 5x7mm package designed for optical
NICs with new LVDS capability
Symmetry:
45/55% max @ V
BB
or Complementary Outputs Crossing
Rise & Fall Times:
350ps typ, 550ps max, 20% to 80% of waveform
Logic 0:
≤
V
CC
-1.595V (-40 to 85°C )
Logic 1:
≥
V
CC
-1.02V (0 to +70°C), V
CC
-1.08V (-40 to 85°C)
Load:
50Ω to V
CC
-2V (output requires termination)
RMS Period Jitter:
5ps (1-sigma) max, accumulated jitter in 20,000 adjacent periods
RMS Phase Jitter:
1ps (1-sigma) max, phase jitter in 12kHz to 40MHz Freq. Band
Total Jitter:
30ps peak-to-peak max total jitter in 100,000 periods
Output Enable/Disable (n/a for SEL3930):
Output Enable Voltage:
≤
V
CC
-1.475V or open
Disable Voltage:
≥
V
CC
-1.165V (Q output disabled to a fixed level of Logic 0)
Mechanical:
Shock:
Solderability:
Terminal Strength:
Vibration:
Resistance to Soldering Heat:
Solvent Resistance:
Environmental:
Thermal Shock:
Moisture Resistance:
Part Numbering Guide
MIL-STD-883,
MIL-STD-883,
MIL-STD-883,
MIL-STD-883,
MIL-STD-202,
MIL-STD-202,
Method 2002, Condition B
Method 2003
Method 2004, Condition D
Method 2007, Condition A
Method 210, Condition I or J
Method 215
MIL-STD-883, Method 1011, Condition A
MIL-STD-833, Method 1004
SEL39 3 0 B - 155.5200 (T)
Series
SaRonix, LVPECL FR4SO20
+3.3V PECL
Packing Method
(T) = Tape & Reel
full reel increments only
Blank = Bulk
Frequency
Connection Options
Pad: 1 / 2 / 3 / 4 / 5 / 6 /
0 =
OUT
1 =
EN
2 =
OUT EN
V
EE
OUT
V
EE
OUT
V
CC
V
CC
Stability
AA = ±20 ppm, 0 to +70°C
A = ±25 ppm, 0 to +70°C
B = ±50 ppm, 0 to +70°C
E = ±50 ppm, -40 to +85°C
F = ±100 ppm, -40 to +85°C
•
•
•
V
EE
OUT N/C V
CC
V
CC
3 =
OUT N/C V
EE
OUT EN
4 =
EN N/C
5 =
N/C EN
V
EE
OUT OUT V
CC
V
EE
OUT OUT V
CC
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
SaRonix
Crystal Clock Oscillator
Technical Data
Package Details
14.0
.551
3.3V, PECL, FR4
SEL393x Series
Test Circuit*
POSITIVE SUPPLY (LVPECL)
9.0
.354
+2V
6
5
4
50Ω INTERNAL SCOPE
TERMINATION TO GND
50Ω INTERNAL SCOPE
TERMINATION TO GND
3
-1.3V
5.7
.224
5.08
.200
OSCILLATOR
ENABLE/DISABLE
(SEL3934)
1
2
Pad 1
1.78
.070
Pad 3
N/C
(no connect SEL3934)
Pad 2
Pad 5
1.39
.055
5.0
.196
1.78
.070
Pad 6
Pad 4
*Test circuit shown for SEL3934 configuration only. Test circuits for other configurations as per
specified pad connections.
Pad Functions:
See Part Numbering Guide for pad
functions. Configurations include either four (4) or six
(6) pads.
Marking Format*
SARONIX
YY WW X
Denotes
Pad 1
FREQUENCY
MHz
Country of Origin
Week of Mfg.
Year of Mfg.
Output Waveform
Complementary
Logic 1
80%
V
OH
Min
Outputs
Crossing
20%
Logic 0
SYMMETRY
45% Min, 55% Max
V
OL
Max
PART NUMBER
*
Exact location of items may vary
Recommended Land Pattern
**
1.65
065
Solder Reflow Guide
Temperature – °C
250
200
150
Reflow 235 ±5°C
4°C/sec max
Preheat 183 ±10°C
Cooling
6
1
2.54
.100
5
2
4
3
7.2
.284
4°C/sec max
5.08
.200
Time
1 – 2 minutes
5 sec min
10 sec max
**
External high frequency power supply decoupling required.
Scale: None (Dimensions in
mm
)
inches
All specifications are subject to change without notice.
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
嵌入式系统
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