EB72F71
Series
• Oven Controlled Crystal Oscillator (OCXO)
• AT-Cut Crystal
• HCMOS output
• 3.3V supply voltage
• 5 pin DIP package
• External control voltage
• Stability to ±80ppb
ELECTRICAL SPECIFICATIONS
EB72F71
H 15.0
L 25.5
W 25.5
OSCILLATOR
Frequency Range
10.000MHz, 12.288MHz, 12.800MHz, 16.000MHz, 19.440MHz, or 20.000MHz
Operating Temperature Range (OTR)
0°C to 50°C, 0°C to 70°C, or -20°C to 70°C
Storage Temperature Range
-55°C to 125°C
Supply Voltage (V
DD
)
3.3V
DC
±5%
Frequency Tolerance / Stability
at Nominal V
DD
and V
C
, at 25°C
vs. Initial Tolerance
±1.0ppm or ±500ppb Maximum
at Nominal V
DD
and V
C
vs. Temperature Stability
±80ppb, ±100ppb, ±200ppb, ±280ppb, or
±500ppb Maximum
V
DD
±5%
vs. Vdd
±20ppb Maximum
Vload ±5%
vs. Load
±20ppb Maximum
after 72 Hours of Operation
vs. Aging (1 Day)
±3.0ppb Maximum
after 72 Hours of Operation
vs. Aging (1 Year)
±500ppb Maximum
after 72 Hours of Operation
vs. Aging (10 Years)
±3.0ppm Maximum
Crystal Cut
AT-Cut
to ±500ppb of Final Frequency at 1 Hour at 25°C
Warm Up Time
3 Minutes Maximum
at Steady State, at 25°C
Power Consumption
1.2 Watts Maximum
During Warm Up, at 25°C
3.6 Watts Maximum
Output Voltage Logic High (V
OH
)
I
OH
= -4mA
2.6V
DC
Minimum
I
OL
= +4mA
Output Voltage Logic Low (V
OL
)
0.4V
DC
Maximum
Measured at 20% to 80% of Waveform
Rise Time / Fall Time
6nSec Maximum
Measured at 50% of Waveform
Duty Cycle
50 ±5(%)
Load Drive Capability
15pF HCMOS Load Maximum
Referenced to F
O
at V
C
= 1.65V
DC
; V
DD
=5.0V
DC
over OTR
Frequency Deviation
±5ppm Minimum
Control Voltage Range
0.0V
DC
to V
DD
Control Voltage (V
C
)
1.65V
DC
±1.65V
DC
Transfer Function
Positive Transfer Characteristic
Reference Voltage Output
2.8V
DC
±0.2V
DC
(Pin 4)
Linearity
±10% Maximum
Input Impedance
10kOhms Typical
Typical Phase Noise (at 12.800MHz)
1Hz Offset
-70dBc/Hz
10Hz Offset
-95dBc/Hz
100Hz Offset
-120dBc/Hz
1kHz Offset
-135dBc/Hz
10kHz Offset
-140dBc/Hz
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EB72F71
5 pin DIP
3.3V
OS2E
05/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EB72F71 D 10 B V 2 - 20.000M
INITIAL TOLERANCE
C=±1.0ppm
D=±500ppb
FREQUENCY STABILITY
2 Digit Code Per Table 1
OPERATING TEMPERATURE RANGE
1 Letter Code Per Table 1
FREQUENCY
DUTY CYCLE
2=50% ±5%
VOLTAGE CONTROL OPTION
V=Voltage Control on Pin 3 and Reference
Voltage Output on Pin 4
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
Pin 1: Output
Pin 2: Case/Ground
Pin 3: Voltage Control
Pin 4: Reference Voltage Output
Pin 5: Supply Voltage
MARKING SPECIFICATIONS
Line 1: ECLIPTEK
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Characteristic
Gross Leak Test
Mechanical Shock
Vibration
Lead Integrity
Solderability
Temperature Cycling
Resistance to Soldering Heat
Resistance to Solvents
Specification
MIL-STD-883, Method 1014, Condition C
MIL-STD-202, Method 213, Condition C
MIL-STD-883, Method 2007, Condition A
MIL-STD-883, Method 2004
MIL-STD-883, Method 2002
MIL-STD-883, Method 1010
MIL-STD-883, Method 210
MIL-STD-883, Method 215
Line 2: XX.XXX M
Frequency in MHz
(5 Digits Maximum + Decimal)
Line 3: XX Y ZZ
Week of Year
Last Digit of Year
Ecliptek Manufacturing Identifier
Note: Pin 1 shall be designated with a dot
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EB72F71
5 pin DIP
3.3V
OS2E
05/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
Microcontroller MCU
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