Product EOL Announcement
The Product EOL Announcement signifies that a product series has entered the final phase of the
Ecliptek Product Life Cycle, and serves as advance notice of product termination per the Ecliptek
End of Life (EOL) policy.
Ecliptek Corporation announces End of Life initiation for the following product series with the intent of
discontinuing its availability.
EOL Series
EC31
Description
RoHS Compliant (Pb-free) 5.0V 8 Pin or 14 Pin DIP Metal Thru-Hole
HCMOS/TTL VCXO
EOL Timeline
The last date Ecliptek will accept orders (Stage 2) and the last date orders may be scheduled for
shipment (Stage 3) are listed in the table below.
Stage 1
EOL Announce Date
20-April-2010
Stage 2
Last Date to Order
1-September-2010
Stage 3
Last Date to Ship
1-December-2010
Alternative Products
In order to fulfill your requirements beyond this product’s discontinuation, we invite you to evaluate
the recommended alternative Ecliptek product series referenced below. Please click on the link to
view the data sheet.
Alternative Series
EV31C6
Description
RoHS Compliant (Pb-free) 5.0V 6 Pad 5mm x 7mm Ceramic SMD
HCMOS/TTL VCXO (Tri-State Pad 2)
Automated EOL Notification
Ecliptek offers automated notification of Product EOL Announcements. Place part numbers for which
you’d like to receive EOL Notifications into your personalized
Parts List
on our website and we’ll email
you when EOL is announced.
Please do not hesitate to contact us if you have any questions or need further assistance.
Ecliptek Global Customer Support Team
(800) 433-1280 x300
customersupport@ecliptek.com
All product warranties for discontinued products will be honored in full according to Ecliptek
Terms and Conditions of Sale.
EC31
Series
• Voltage Controlled Crystal Oscillators (VCXO)
• HCMOS/TTL Output
• +5.0V Supply Voltage
• External Voltage Control Function
• Custom Lead Length & Gull Wing Options
• 14 pin DIP Metal Package
• RoHS Compliant (Pb-free)
ELECTRICAL SPECIFICATIONS
Frequency Range (MHz)
Operating Temperature Range
Storage Temperature Range
Supply Voltage (V
DD
)
Aging (at 25°C)
Load Drive Capability
Start Up Time
Frequency Deviation /
Control Voltage
EC31
H 5.08
L 20.8
W 13.2
OSCILLATOR
2.5V
DC
±2.0V
DC
Positive Transfer Characteristic,
2.5V
DC
±2.0V
DC
Positive Transfer Characteristic,
2.5V
DC
±2.0V
DC
Positive Transfer Characteristic,
2.5V
DC
±2.5V
DC
Positive Transfer Characteristic, or
Linearity
Input Current
1.000MHz to 20.000MHz
20.001MHz to 30.000MHz
30.001MHz to 155.520MHz
Inclusive of Operating Temperature
Range, Supply Voltage, and Load
w/TTL Load
w/CMOS Load
w/TTL Load
w/CMOS Load
at 1.4V
DC
w/TTL Load; at 50% of Waveform
w/CMOS Load
at 1.4V
DC
w/TTL Load and w/CMOS Load
0.4V
DC
to 2.4V
DC
w/TTL Load; 20%
to 80% of Waveform w/CMOS Load
Freq. Deviation Options Blank, A or B
Freq. Deviation Options C
Freq. Deviation Options Blank, A or B
Freq. Deviation Options Blank, A or B
Freq. Deviation Options C
Freq. Deviation options Blank, A or B
MANUFACTURER
CATEGORY
SERIES
PACKAGE
Frequency Tolerance / Stability
Output Voltage Logic High (V
OH
)
Output Voltage Logic Low (V
OL
)
Duty Cycle
1.000MHz to 155.520MHz
0°C to 70°C or -40°C to 85°C
-55°C to 125°C
5.0V
DC
±5%
±5ppm / year Maximum
10TTL Load or 15pF CMOS Load Maximum
10 mSeconds Maximum
±50ppm Minimum
±100ppm Minimum
±150ppm Minimum
±200ppm Minimum
±20%, ±15%, ±10% Maximum, or
±5% Maximum (not avail. w/±200ppm Freq. Dev.)
20mA Maximum
40mA Maximum
50mA Maximum
±100ppm, ±50ppm, ±25ppm, or
±20ppm Maximum (0°C to 70°C only)
2.4V
DC
Minimum
V
DD
-0.5V
DC
Minimum
0.4V
DC
Maximum
0.5V
DC
Maximum
50 ±10(%) (Standard)
50 ±5(%) (Optional)
5 nSeconds Maximum
±100pSeconds Max
≤44.736MHz
±100pSeconds Max
≤30.000MHz
±200pSeconds Max >30.000MHz
±200pSeconds Max >44.736MHz
±25pSeconds Max
≤44.736MHz
±25pSeconds Max
≤30.000MHz
±50pSeconds Max >30.000MHz
±50pSeconds Max >44.736MHz
VOLTAGE
CLASS
REV
.
DATE
Rise Time / Fall Time
Period Jitter: Absolute
Period Jitter: One Sigma
ECLIPTEK CORP.
OSCILLATOR
EC31
14 pin DIP
5.0V
OS13
08/06
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EC31 00 T A 15 ET - 24.000M - G
FREQUENCY TOLERANCE / STABILITY
00=±100ppm Maximum
45=±50ppm Maximum, 25=±25ppm Maximum
20=±20ppm Maximum
DUTY CYCLE
Blank=50 ±10(%), T=50 ±5(%)
FREQUENCY DEVIATION
Blank=±50ppm Minimum
A=±100ppm Minimum
B=±150ppm Minimum
C=±200ppm Minimum (2.5V
DC
±2.5V
DC
)
AVAILABLE OPTIONS
Blank=None
CLXXX=Custom Lead Length
G=Full Size Gull Wing
FREQUENCY
OPERATING TEMP. RANGE
Blank=0°C to 70°C
ET=-40°C to 85°C
LINEARITY
Blank=20% Maximum
05=5% Maximum
10=10% Maximum
15=15% Maximum
NOTES
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
MARKING SPECIFICATIONS
Pin 1: Control Voltage (V
C
)
Pin 7: Case Ground
Pin 8: Output
Pin 14: Supply Voltage
Line 1: ECLIPTEK
Line 2: EC31
Series Designator
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Characteristic
Seal Integrity
Solderability
Marking Permanency
Shock
Vibration
Specification
Bubble test in Perfluorocarbon at +125°C ±5°C for 60 seconds
minimum.
Sn63 Solder dip at +230°C ±5°C for 5 seconds/95% coverage.
10 Strokes with brush after 1 minute soak in solvent, 3 times.
Random drop on hard wooden plate 3 times from a height
of 20cm.
Frequency with an amplitude of 1.5mm sweeping between 10Hz
to 55Hz within 1 minute (approximately) for 2 hours minimum on
each axis (X, Y and Z) for a total of 6 hours.
CATEGORY
SERIES
PACKAGE
VOLTAGE
Line 3: XX.XXX M
Frequency in MHz
(5 Digits Maximum + Decimal)
Line 4: XX Y ZZ
Week of Year
Last Digit of Year
Ecliptek Manufacturing Identifier
Note: Pin 1 shall be designated with a dot
MANUFACTURER
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EC31
14 pin DIP
5.0V
OS13
08/06
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
EC31
Series
• Voltage Controlled Crystal Oscillators (VCXO)
• HCMOS/TTL Output
• +5.0V Supply Voltage
• External Voltage Control Function
• Custom Lead Length & Gull Wing Options
• 8 pin DIP Metal Package
• RoHS Compliant (Pb-free)
NOTES
EC31
H 5.6
L 13.2
W 13.2
OSCILLATOR
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
ELECTRICAL SPECIFICATIONS
Frequency Range (MHz)
Operating Temperature Range
Storage Temperature Range
Supply Voltage (V
DD
)
Aging (at 25°C)
Load Drive Capability
Start Up Time
Frequency Deviation /
Control Voltage
Linearity
Input Current
1.000MHz to 20.000MHz
20.0001MHz to 30.000MHz
30.001MHz to 44.736MHz
Frequency Tolerance / Stability
Inclusive of Operating Temperature
Range, Supply Voltage, and Load
Output Voltage Logic High (V
OH
)
w/TTL Load
w/CMOS Load
Output Voltage Logic Low (V
OL
)
w/TTL Load
w/CMOS Load
Duty Cycle
at 1.4V
DC
w/TTL Load; at 50% of Waveform
w/CMOS Load
at 1.4V
DC
w/TTL Load and CMOS Load
Rise Time / Fall Time
0.4V
DC
to 2.4V
DC
w/TTL Load; 20%
to 80% of Waveform w/CMOS Load
Period Jitter: Absolute
Period Jitter: One Sigma
1.000MHz to 44.736MHz
0°C to 70°C or -40°C to 85°C
-55°C to 125°C
5.0V
DC
±5%
±5ppm / year Maximum
10TTL Load or 15pF CMOS Load Maximum
10 mSeconds Maximum
±50ppm Minimum
±100ppm Minimum
±150ppm Minimum
±20%, ±15%, ±10% Maximum, or
±5% Maximum
20mA Maximum
40mA Maximum
50mA Maximum
±100ppm, ±50ppm, ±25ppm, or
±20ppm Maximum (0°C to 70°C Only)
2.4V
DC
Minimum
V
DD
-0.5V
DC
Minimum
0.4V
DC
Maximum
0.5V
DC
Maximum
50 ±10(%) (Standard)
50 ±5(%) (Optional)
5 nSeconds Maximum
±100pSeconds Maximum
±25pSeconds Maximum
2.5V
DC
±2.0V
DC
Positive Transfer Characteristic,
2.5V
DC
±2.0V
DC
Positive Transfer Characteristic,
2.5V
DC
±2.0V
DC
Positive Transfer Characteristic,
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EC31
8 pin DIP
5.0V
OS18
08/06
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EC31 00 HS T A 15 ET - 24.000M - G TR
FREQUENCY TOLERANCE / STABILITY
00=±100ppm Maximum
45=±50ppm Maximum, 25=±25ppm Maximum
20=±20ppm Maximum
PACKAGE
HS=Half Size 8 Pin DIP
DUTY CYCLE
Blank=50 ±10(%), T=50 ±5(%)
FREQUENCY DEVIATION
Blank=±50ppm Minimum
A=±100ppm Minimum
B=±150ppm Minimum
PACKAGING OPTIONS
Blank=Bulk
TR=Tape & Reel (only offered with
Half Size G and Half Size G2 Options)
AVAILABLE OPTIONS
Blank=None
CLXXX=Custom Lead Length
G=Half Size Gull Wing
G2=Alternate Half Size Gull Wing
FREQUENCY
OPERATING TEMP. RANGE
Blank=0°C to 70°C
ET=-40°C to 85°C
LINEARITY
Blank=20% Maximum
05=5% Maximum, 10=10% Maximum
15=15%Maximum
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
Pin 1 Locator for Gull Wing
(1) For “G” Option (2) For “G2” Option
Pin 1: Control Voltage (V
c
)
Pin 4: Case Ground
Pin 5: Output
Pin 8: Supply Voltage
MARKING SPECIFICATIONS
Line 1: ECLIPTEK
Line 2: EC31
Series Designator
250 Pieces Per Reel
Compliant to EIA-481A
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Line 3: XX.XXX M
Frequency in MHz
(5 Digits Maximum + Decimal)
Characteristic
Seal Integrity
Week of Year
Last Digit of Year
Ecliptek Manufacturing Identifier
Note: Pin 1 shall be designated with a dot
Specification
Bubble test in Perfluorocarbon at +125°C ±5°C for 60 seconds minimum.
Sn63 Solder dip at +230°C ±5°C for 5 seconds/95% coverage.
10 Strokes with brush after 1 minute soak in solvent, 3 times.
Random drop on hard wooden plate 3 times from a height of 20cm.
Frequency with an amplitude of 1.5mm sweeping between 10Hz to 55Hz
within 1 minute (approximately) for 2 hours minimum on each axis
(X, Y and Z) for a total of 6 hours.
Line 4: XX Y ZZ
Solderability
Marking Permanency
Shock
Vibration
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EC31
8 pin DIP
5.0V
OS18
08/06
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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