Valpey Fisher Corporation • 75 South Street, Hopkinton, MA 01748 • Tel. 1-800-XTALREP, 508-435-6831 • FAX 508 4355289
2 Rev 1.0 4/7/05
ELECTRICAL SPECIFICATIONS
Frequency Range 2MHz to 50MHz
Frequency Stability
Includes calibration at 25°C, operating 100 or 50ppm
temperature, change of input voltage,
change of load, shock and vibration
Input Voltage, VDD 3.3 +/-10%
Output Levels (CMOS) 1 level: VDD-0.4 min
‘0’ level: 0.40 max
Output Load 15pF typ, 30pF max
Jitter 8 ps RMS max
Symmetry 45/55 percent @ 50% VDD
Aging (typical)
First year 3ppm
After first year 1ppm/yr
Input Current (Max) 3.3V Units
2.0-9.999 MHz 7 mA
10-19.999 MHz 7 mA
20-31.999 MHz 12 mA
32-50.000 MHz 20 mA
Rise and Fall Times (Max)
2.0-9.99 MHz 10 ns
10-19.99 MHz 10 ns
20-31.99 MHz 8 ns
32-50.00 MHz 5 ns
Input Requirements for Pad 1:
“1”: On-Pad 1 may float or 2.8V min
“0”: Tristate-Pad 1 requires 0.4V max
ENVIRONMENTAL SPECIFICATIONS
Temperature
Operating Commercial: 0° to 70°C
Industrial: -40°C to +85°C
Storage -55° to +125°C
Shock- 1000 Gs, 0.35 ms, ½ sine wave, 3 shocks in each plane
Vibration- 10-2000 Hz of .06” d.a. or 10 Gs, whichever is less
Humidity- Resistant to 85° R.H. at 85°C
MECHANICAL SPECIFICATIONS
Leak- MIL STD 883, Method 1014, Condition A1
Case- Ceramic with hermetic resistance-welded metal lid
Pads- Solderable gold over nickel
Marking- Epoxy ink or laser engraved
Resistance to solvents- MIL STD 202, Method 215
MARKING SPECIFICATION
The format for the marking is:
Valpey-Fisher Model Code (XX)
Oscillator
VFJCXX
125.00
Pin 1
Frequency
Date Code
HOW TO ORDER
Create ordering part number as follows:
VFJC A B 125 M
Frequency M=MHz
Frequency Stability Temperature Range
A=+/-100 ppm A=0 to 70°C
B=+/-50 ppm B=-40 to +85°C
VFJC
Crystal Oscillators HCMOS 3.3V
3.2X2.5mm Surface Mount
2 MHz to 50 MHz