Product information is current as of publication date. The product conforms Copyright © 2005, 2006, 2007,2008 Pletronics Inc.
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necessarily include testing of all parameters.
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
Do Not Use for New Designs - use PE55 or PE77
Pletronics’ PE3XB Series is a quartz crystal
controlled precision square wave generator
with an PECL output.
Solder pad compatible with many 9x14 Plastic
J lead packages.
FR4 base with a mechanical metal cover.
Tape and Reel packaging is available.
1 to 250 MHz
9.9 mm x 13.97 mm ‘B’ package
Enable/Disable Function:
PE33B on pad 2
PE37B on pad 1
Low Jitter
Pletronics Inc. certifies this device is in accordance with the
RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following:
Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s
Weight of the Device: 1.34 or .66 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e4
Absolute Maximum Ratings:
Parameter Unit
VCC Supply Voltage -0.5V to +6.5V
Vi Input Voltage -0.5V to VCC + 0.5V
Vo Output Voltage -0.5V to VCC + 0.5V
Thermal Characteristics
The maximum die or junction temperature is 155oC
The thermal resistance junction to board is 60 to 100oC/Watt depending on the solder pads, ground plane
and construction of the PCB.
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 2
Part Number:
PE3x 45 B E W -125.0M -XX Part Marking:
Packaging code or blank
T250 = 250 per Tape and Reel
T500 = 500 per Tape and Reel
T1K = 1000 per Tape and Reel
PLE PE77
FFFFFM
C YMDXX
Frequency in MHz
Supply Voltage VCC
W = 2.5V +_ 10%
Optional Enhanced OTR
Blank = Temp. range -10 to +70oC
E = Temp. range -40 to +85oC
Series Model
Frequency Stability
45 = +_ 50 ppm
44 = +_ 25 ppm
20 = +_ 20 ppm
Series Model
x is 3 = E/D on pad 2
x is 7 = E/D on pad 1
Legend:
PLE = Pletronics The marking is on the cover of the PE77 device
FFFFFM = Frequency in MHz The marking is that of the PE77 device
YMD or YYWW = Date of Manufacture (Year - month - day or year and week)
All other marking is internal factory codes
Specifications such as frequency stability, supply voltage and operating temperature range, etc. are not
identified from the marking. External packaging labels and packing list will correctly identify the ordered
Pletronics part number.
Codes for Date Code YMD
Code 6 7 8 9 0 1 2
Year 2006 2007 2008 2009 2010 2011 2012
Code A B C D E F G H J K L M
Month JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Code123456789ABC
Day 123456789101112
Code D E F G H J K L M N P R
Day 13 14 15 16 17 18 19 20 21 22 23 24
Code T U V W X Y Z
Day 25 26 27 28 29 30 31
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 3
Electrical Specification for 2.50V +_5% over the specified temperature range
Item Min Max Unit Condition
Frequency Range 1 250 MHz
Frequency Accuracy “45"-50 +50 ppm For all supply voltages, load changes, aging for 1
year, shock, vibration and temperatures
44"-25 +25
20"-20 +20
Output Waveform PECL /ECL
Output High Level (0oC to 85oC) 1.475 1.760 volts Referenced to Ground, VCC = 2.5 V
0.975 1.260 volts Referenced to termination voltage, VCC = 2.5 V
-1.025 -0.740 volts Referenced to Vcc, VCC = 2.5 V
Output High Level (-40oC) 1.415 1.620 volts Referenced to Ground, VCC = 2.5 V
0.915 1.12 volts Referenced to termination voltage, VCC = 2.5 V
-1.085 -0.88 volts Referenced to Vcc, VCC = 2.5 V
Output Low Level (0oC to 85oC) 0.690 1.095 volts Referenced to Ground, VCC = 2.5 V
0.190 0.595 volts Referenced to termination voltage, VCC = 2.5 V
-1.810 -1.405 volts Referenced to Vcc, VCC = 2.5 V
Output Low Level (-40oC) 0.670 1.195 volts Referenced to Ground, VCC = 2.5 V
0.170 0.695 volts Referenced to termination voltage, VCC = 2.5 V
-1.830 -1.305 volts Referenced to Vcc, VCC = 2.5 V
Output Symmetry 45 55 % at 50% point of VCC (See load circuit)
Jitter - 0.13 pS RMS 12 KHz to 20 MHz from the output frequency
- 2.8 pS RMS 10 Hz to 1 MHz from the output frequency
Output TRISE and TFALL - 0.7 nS Vth is 20% and 80% of waveform
VCC Supply Current (ICC)-90mA
Enable/Disable Internal Pull-up 50 - Kohm to VCC
V disable - 0.6 volts Referenced to pad 3
V enable 1.7 - volts Referenced to pad 3
Output leakage VOUT = VCC -10 +10 uA Pad 1 low, device disabled
VOUT = 0V -10 +10 uA
Enable time - 10 nS Time for output to reach a logic state
Disable time - 10 nS Time for output to reach a high Z state
Start up time - 10 m S Time for output to reach specified frequency
Operating Temperature Range -10 +70 oC Standard Temperature Range
- 40 +85 oCExtended Temperature Range “E” Option
Storage Temperature Range -55 +125 oC
Standby Current ICC - 3 uA Pad 1 low, device disabled
Specifications with E/D pad open circuit
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 4
-160
-140
-120
-100
-80
-60
-40
-20
0
10 1,000 100,000 10,000,000
Frequency (Hz)
dBc/Hz
Showing Out Measurement only
Trise
Symmetry
20%
Vlow
50%
80%
Vhigh
Tfall
Out*
Out
Typical Phase-Noise Response
Load Circuit
E/D shown on pad 1 for PE37B, will be on pad 2 for PE33B
Test Waveform
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 5
Reliability: Environmental Compliance
Parameter Condition
Mechanical Shock MIL-STD-883 Method 2002, Condition B
Vibration MIL-STD-883 Method 2007, Condition A
Solderability MIL-STD-883 Method 2003
Thermal Shock MIL-STD-883 Method 1011, Condition A
ESD Rating
Model Minimum Voltage Conditions
Human Body Model 1500 MIL-STD-883 Method 3115
Charged Device Model 1000 JESD 22-C101
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm) Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New Font is Arial
Bar code is 39-Full ASCII
The label does show the PE3 full part number
Layout and application information
Recommend connecting Pad 1 and Pad 2 together to permit the design to accept Enable/Disable on both
input pads
For Optimum Jitter Performance, Pletronics recommends:
a ground plane under the device
no large transient signals (both current and voltage) should be routed under the device
do not layout near a large magnetic field such as a high frequency switching power supply
do not place near piezoelectric buzzers or mechanical fans.
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 6
5 4
32
6
1
Mechanical:
Inches mm
FR4 PCB Base:
Solder masked
All via holes tented on bottom
Copper Clad ½ oz. Typical
Gold plated 0.02 µinch (0.5 µm)
Label:
Laser engraved on the 5x7 mm
oscillator that is mounted on the
FR4 base
Pin 3 Ground plane is typical
Not to scale
A 0.380 +_0.010 9.65 +_0.25
B 0.550 +_0.010 13.97 +_0.25
C 0.134 +_0.010 3.40 +_0.25
D10.062 1.57
E10.050 1.27
F10.028 R 0.72 R
G10.180 4.57
H10.100 2.54
I10.050 1.27
J10.015 0.38
1 Typical Dimensions
PE33
Pad PE37
Pad Function Note
2 1 Output
Enable/Disable When this pad is not connected the oscillator shall operate.
When this pad is <0.30 volts, the output will be at a steady, non switching state.
Recommend connecting this pad to VCC if the oscillator is to be always on.
1 2 No connect There is no internal connection to this pad
3 Ground (GND)
4 Output The outputs must be terminated, 100 ohms between the outputs is the ideal
termination.
When the device is disabled, the Output will be an active logic low and the
Output* will be an active logic high.
The outputs can not be “wire-ORed” with other oscillators or signal generators
5 Output*
6 Supply Voltage
(VCC)Recommend connecting appropriate power supply bypass capacitors as close as
possible.
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 7
Mechanical (obsolete version):
The cover is no longer being supplied over this part. This part is made with a hermetically sealed
PE99xxDV series oscillator. This part is now exposed.
The cover has been deleted, the cover was causing problems with the newer high temperature RoHS lead
free processes. The cover purpose was only cosmetic.
All parts with 2008 date codes will be made in the new fashion.
There is no change in electrical properties.
Pletronics does recommend that all designs should transition to the PE99xxDV ceramic part.
Inches mm
FR4 PCB Base:
Solder masked
All via holes tented on bottom
Copper Clad ½ oz. Typical
Gold plated 0.02 µinch (0.5 µm)
Label:
White Kapton with Black Letters
–or--
Blue Epoxy heat cure ink covering
top with laser marked lettering
Cover:
Centered on the base
304 Stainless Steel
0.010 inch (0.25µm)
Electroless Nickel Plated
1 µinch (25 µm) typical
Pin 3 Ground plane is typical
Not to scale
B 0.550 +_0.010 13.97 +_0.25
A 0.390 +_0.010 9.90 +_0.25
C 0.105 +_0.010 2.67 +_0.25
D10.026 typ. 0.66
E10.050 1.27
F10.028 R 0.72 R
G10.180 4.57
H10.100 2.54
I10.050 1.27
J10.015 0.38
K10.380 9.65
The package is not hermetically sealed.
The sides are intentionally left open to permit cleaning material to freely flow in the package, thus
minimizing the accumulation of contaminants during cleaning processes.
The internal part of the package must be thoroughly dry before operating.
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 8
245°C Maximum
10 Seconds Maximum
Allowed rate of temperature change
Maximum 4°C per second
Approximately 50 Seconds
215°C±10°C
120 to 160 Seconds
250
200
150
100
Temperature (°C)
175°C±10°C
Reflow Cycle (typical for lead free processing)
The part may be reflowed 2 times without degradation.
Tape and Reel: available for quantities of 250 to 1000 per reel, cut tape for < 250
Constant Dimensions Table 1
Tape
Size D0 D1
Min E1 P0 P2 S1
Min T Max T1
Max
8mm
1.5
+0.1
-0.0
1.0
1.75
+_0.1
4.0
+_0.1
2.0
+_0.05
0.6 0.6 0.1
12mm 1.5
16mm 1.5 2.0
+_0.1
24mm 1.5
Variable Dimensions Table 2
Tape
Size B1
Max E2 Min F P1 T2
Max W
Max Ao, Bo
& Ko
24 mm 12.1 14.25 7.5 +_0.1 16.0 +_0.1 8.0 16.3 Note 1
Note 1: Embossed cavity to conform to EIA-481-B Dimensions in mm Not to scale
REEL DIMENSIONS
A inches 7.0 10.0 13.0
mm 177.8 254.0 330.2
B inches 2.50 4.00 3.75
mm 63.5 101.6 95.3 Tape
Width
C mm 13.0 +0.5 / -0.2
D mm --- --- 24.4
+2.0
-0.0
24.0
Reel dimensions may vary from the above
PE3XB Series 2.5 V
PECL Clock Oscillators
January 2008
www.pletronics.com 425-776-1880 9
IMPORTANT NOTICE
Pletronics Incorporated (PLE) reserves the right to make corrections, improvements, modifications and
other changes to this product at anytime. PLE reserves the right to discontinue any product or service
without notice. Customers are responsible for obtaining the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to
PLE’s terms and conditions of sale supplied at the time of order acknowledgment.
PLE warrants performance of this product to the specifications applicable at the time of sale in accordance
with PLE’s limited warranty. Testing and other quality control techniques are used to the extent PLE
deems necessary to support this warranty. Except where mandated by specific contractual documents,
testing of all parameters of each product is not necessarily performed.
PLE assumes no liability for application assistance or customer product design. Customers are
responsible for their products and applications using PLE components. To minimize the risks associated
with the customer products and applications, customers should provide adequate design and operating
safeguards.
PLE products are not designed, intended, authorized or warranted to be suitable for use in life support
applications, devices or systems or other critical applications that may involve potential risks of death,
personal injury or severe property or environmental damage. Inclusion of PLE products in such
applications is understood to be fully at the risk of the customer. Use of PLE products in such applications
requires the written approval of an appropriate PLE officer. Questions concerning potential risk
applications should be directed to PLE.
PLE does not warrant or represent that any license, either express or implied, is granted under any PLE
patent right, copyright, artwork or other intellectual property right relating to any combination, machine or
process which PLE product or services are used. Information published by PLE regarding third-party
products or services does not constitute a license from PLE to use such products or services or a warranty
or endorsement thereof. Use of such information may require a license from a third party under the
patents or other intellectual property of the third party, or a license from PLE under the patents or other
intellectual property of PLE.
Reproduction of information in PLE data sheets or web site is permissible only if the reproduction is
without alteration and is accompanied by associated warranties, conditions, limitations and notices.
Reproduction of this information with alteration is an unfair and deceptive business practice. PLE is not
responsible or liable for such altered documents.
Resale of PLE products or services with statements different from or beyond the parameters stated by
PLE for that product or service voids all express and implied warranties for the associated PLE product or
service and is an unfair or deceptive business practice. PLE is not responsible for any such statements.
Contacting Pletronics Inc.
Pletronics Inc. Tel: 425-776-1880
19013 36th Ave. West Fax: 425-776-2760
Lynnwood, WA 98036-5761 USA E-mail: ple-sales@pletronics.com
URL: www.pletronics.com
Copyright © 2005, 2006, 2007, 2008 Pletronics Inc.