EB51F4
Series
• Temperature Compensated
Crystal Oscillator (TCXO)
• HCMOS Output
• 5.0V Supply Voltage
• Stability to 1.5ppm
• External voltage
control option available
NOTES
EB51F4
H 8.3
L 20.3
W 13.0
OSCILLATOR
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ELECTRICAL SPECIFICATIONS
Frequency Range
Operating Temperature Range
Storage Temperature Range
Supply Voltage (V
DD
)
Input Current
Frequency Stability
1.544MHz to 44.736MHz
See Table 1
-55°C to 125°C
5.0V
DC
±5%
30mA Maximum
±2.5ppm (at Nominal V
DD
and V
C
, at 25°C)
See Table 1 (at Nominal V
DD
and V
C
)
±0.3ppm Maximum
±0.2ppm Maximum
±1ppm / year Maximum
V
DD
- 0.5V
DC
Minimum
0.5V
DC
Maximum
6 nSeconds Maximum
50 ±5(%)
30pF HCMOS Load Maximum
0.0V
DC
to V
DD
2.5V
DC
±2.0V
DC
±7ppm Minimum, ±20ppm Maximum
±10% Maximum
10kOhms Typical
-70dBc/Hz Typical
-100dBc/Hz Typical
-130dBc/Hz Typical
-140dBc/Hz Typical
-145dBc/Hz Typical
VOLTAGE
CLASS
REV
.
DATE
Measured at Steady State at 25°C, at Nominal V
DD
,
at Nominal V
C
vs. Initial Frequency Tolerance
vs. Operating Temperature Range
vs. Input Voltage (V
DD
±5%)
vs. Load (±10%)
Aging (at 25°C)
Output Voltage Logic High (V
OH
)
Output Voltage Logic Low (V
OL
)
Rise Time / Fall Time
Duty Cycle
Load Drive Capability
Control Voltage Range
Control Voltage (External)
Frequency Deviation
Linearity
Input Impedance
Phase Noise (at 19.440MHz)
20% to 80% of Waveform
at 50% of Waveform
Positive Transfer Characteristic
Referenced to F
O
at V
C
= 2.5V
DC
, V
DD
= 5.0V
DC
Measured at 25°C, at Nominal V
DD
, at Nominal V
C
at 10Hz Offset
at 100Hz Offset
at 1kHz Offset
at 10kHz Offset
at 100kHz Offset
SERIES
PACKAGE
MANUFACTURER
CATEGORY
ECLIPTEK CORP.
OSCILLATOR
EB51F4
14-PIN DIP
5.0V
OS2W
02/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EB51F4 D 15 A V - 12.800M - G
INITIAL TOLERANCE
D=±2.5ppm Maximum
FREQUENCY STABILITY
Two Digit Code Per Table 1
OPERATING TEMP. RANGE
One Letter Code Per Table 1
AVAILABLE OPTIONS
Blank=None (Standard)
CB=Cut Leads to 2.540 ±0.500 (0.100” ±0.020”)
CC=Cut Leads to 3.175 ±0.500 (0.125” ±0.020”)
CD=Cut Leads to 3.810 ±0.500 (0.150” ±0.020”)
CE=Cut Leads to 4.445 ±0.500 (0.175” ±0.020”)
G=Full Size Gull Wing
FREQUENCY
EXTERNAL TRIM
N=None (No Connection on Pin 1)
V=Voltage Control on Pin 1
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
MARKING SPECIFICATIONS
Line 1: ECLIPTEK
Line 2: XX.XXX M
M=MHz
Frequency (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
Pin 1: Voltage Control or No Connect
Pin 7: Case Ground
Pin 8: Output
Pin 14: Supply Voltage
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Characteristic
Fine Leak Test
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 A
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
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EB51F4
14 pin DIP
5.0V
OS2W
02/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
