Data Sheet

VFH2121-VFH2124, VFH2221-VFH2224
VFH2521-VFH2524, VFH2621-VFH2624
XO Hi-Rel, 5.0V, 3.3V
5x7mm SMD, HCMOS/TTL
Features







Leadless chip carrier package is hermetically
sealed for superior aging and field
performance
Crystal angle controlled to ±0.5 minute for
excellent temperature stability
168 hour Class B burn-in and extensive
environmental testing for best performance in
rugged field environments
Guarantee start-up with a ramping DC supply
Start-up time <5ms, typical
Tristate option available
Calculated MTBF is 3.8x106 hours at 125°C
RoHS Status
Description
These high reliability oscillators provide HCMOS clock outputs for applications subjected to the most stringent
environmental conditions. They are mechanically robust and weigh less than 0.2 grams. This 5x7 mm SMD
package has a hermetic seal, thus ensuring the integrity of each part. Each oscillator is burned-in at 125°C for
168 hours, temperature cycled and centrifuged then fully tested in accordance with Table 1. Reliability tests
are performed per Table 2.
Electrical Specifications
Parameter
Symbol
Frequency
Range
F
Frequency
Stability
∆F/F
Operating
Temperature
Range
T
-55
Input Voltage
VCC
3.0
4.5
Input Current
RMS Jitter
Condition
Vs. Operating Temperature
ICC
Min
Typ
Max
Unit
1
0.5
105
125
MHz
25
75
ppm
Aging 1st Year
After 1st Year
3 to 10MHz
10.1 to 20MHz
20.1 to 30MHz
30.1 to 50MHz
50.1 to 67MHz
67.1 to 125MHz
Note
5.0V
3.3V
See “How
to Order”
Chart
3
1
+125
3.30
5.0
3.6
5.5
45
4.5
6.0
15.5
20.0
30.0
40.0
5
6
C
See “How
to Order”
Chart
V
5.0V
mA
ps
3.3V
5.0V
3.3V
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014
Specifications are subject to change without notice
1
VFH2121-VFH2124, VFH2221-VFH2224
VFH2521-VFH2524, VFH2621-VFH2624
XO Hi-Rel, 5.0V, 3.3V
5x7mm SMD, HCMOS/TTL
Electrical Specifications
Parameter
Symbol
Waveform
Symmetry
Condition
Min
Measured at 50% VDD
Typ
Max
Unit
Note
48/52
45/55
45/55
%
5.0V
3.3V
CMOS, 15pF,
from 0.4 to (VDD-0.4) V
Rise / Fall
Time
TR/TF
“Zero”
Level
4
CMOS, 15pF,
20% to 80% (<60MHz)
20% to 80% (≥60MHz)
CMOS, 30pF,
20% to 80% (<60MHz)
20% to 80% (≥60MHz)
CMOS, 50pF,
20% to 80% (<60MHz)
3.0
2.0
4.0
2.5
4.0
3.0
5.0
4.5
6.0
8.0
Sinking 16mA
5.0V
ns
3.3V
0.4
V
Output Level
“One”
Level
Input
Requirement
for Pin 1
Sourcing 8mA
VDD-0.4
“1”: On-Pin 1 may float or 2.4V min., sourcing 400 microAmp
“0”: Disable or Tristate-Pin 1 requires 0.4V, sinking 400 microAmp
Environmental and Mechanical Conditions
Parameter
Conditions
Storage Temperature
-55°C to +150°C
Shock
1000 Gs, 0.35 ms, ½ sine wave, 3 shocks in each plane
Vibration
Humidity
Leak
Case
Pads
Resistance to Solvents
Marking
10-2000 Hz of 0.06” d.a. or 20Gs, whichever is less
Resistant to 85° R.H. at 85°C
Per MIL-STD-883, Method 1014, Condition A and Condition C
Hermetically sealed ceramic LCC
15 microinch of gold over nickel
Per MIL-STD-202, Method 215
Epoxy ink or laser engraved
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014
Specifications are subject to change without notice
2
VFH2121-VFH2124, VFH2221-VFH2224
VFH2521-VFH2524, VFH2621-VFH2624
XO Hi-Rel, 5.0V, 3.3V
5x7mm SMD, HCMOS/TTL
Models
FIXED OUTPUT
TRISTATE
3.3V
5.0V
3.3V
5.0V
Operating
Temperature
Frequency
Stability
VFH2121
VFH2521
VFH2221
VFH2621
-55C to +85C
±25 ppm
VFH2122
VFH2522
VFH2222
VFH2622
-55C to +85C
±50 ppm
VFH2123
VFH2523
VFH2223
VFH2623
-55C to +125C
±75 ppm
VFH2124
VFH2524
VFH2224
VFH2624
-55C to +125C
±50 ppm
Marking Specification
How to Order
VFH
–
2121
2121
is model type
40M
40M Frequency
in MHz
Model Number
Product Code
VFHXX
40.000
YWWx
Date Code
Frequency
In MHz
Manufacturer’s Code
Package
Pin Assignment
Pin
VFH2121-VFH2124
VFH2521-VFH2524
VFH2221-VFH2224
VFH2621-VFH2624
1
N/C
Tristate
2
Ground
3
Output
4
VDD
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014
Specifications are subject to change without notice
3
VFH2121-VFH2124, VFH2221-VFH2224
VFH2521-VFH2524, VFH2621-VFH2624
XO Hi-Rel, 5.0V, 3.3V
5x7mm SMD, HCMOS/TTL
Recommended Reflow Soldering Profile
Table 1
Each unit undergoes screening for product level B
class 2 oscillators by MIL-PRF-55310
Internal Visual
Stabilization Bake
Temperature Cycling
Constant Acceleration
Fine Leak
Gross Leak
Burn-in
MIL-STD-883 Method 1008, COND. B
MIL-STD-883 Method 1010, COND. B
MIL-STD-883 Method 2001, COND. A
MIL-STD-883 Method 1014, COND. A
MIL-STD-883 Method 1014, COND. C
MIL-STD-883 Method 1015, COND. B
(125°C for 160 hours with bias)
Thermal Characteristics
Thermal Resistance
From Junction to Case, RØjc
16 °C/Watt
Surface Mount Application
These packages are designed for reflow soldering in
accordance with recommended profiles. For handsoldering, the temperature of the iron should not
exceed 400°C for three seconds.
Electrical test at 25°C
Current
Frequency at max VDD
Rise Time
Frequency at min VDD
Fall Time
“Zero” logic level
Duty Cycle
“One” logic level
Tristate
Frequency at 25°C and frequency verification at temperature
extremes
Serialized test data on each unit available upon request for additional cost.
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014
Specifications are subject to change without notice
4
VFH2121-VFH2124, VFH2221-VFH2224
VFH2521-VFH2524, VFH2621-VFH2624
XO Hi-Rel, 5.0V, 3.3V
5x7mm SMD, HCMOS/TTL
TABLE 2
Reliability Test Procedures and Conditions for Quartz Crystal Oscillators
B.
1. Group A
Electrical Characteristics at 25°C
Frequency at nominal supply voltage and endpoints
Input current
Symmetry (Duty Cycle)
Zero/One levels
Rise/Fall times
Frequency (verify frequency at the temperature extremes)
Physical Dimensions
Length/width
Height
Package finish (Corrosion, discoloration, etc.)
Marking placement/legibility
2. Group B
1000 hrs at or above 125°C, nominal voltage, proper load
(sample size by MIL -PRF-55310 table 6, max. aging within 15
years requirement without catastrophic failures)
Subgroup 2: 4 pcs (One-half of Subgroup 1)
Condition
Method 1011
COND. B
Description
Thermal Shock
Liq. To liq.
15 cycles
MIL-STD-202
Method 105
COND. B
Altitude, 3.44
inch Hg. 12 hrs
Frequency
Output waveform
MIL-STD-883
Method 1004
Moisture resist.
with supply
voltage applied
25°C to 65°C,
90 to 100% RH,
10 cycles
Frequency
Output waveform
MIL-STD-202
Method 210
COND. A
Resistance to
Frequency
Solder Heat
Output waveform
Immersion @350ºC
3.5 sec
3. Group C- All units have passed Group A testing
A. Subgroup 1: 8 pcs.
C.
End Point
Measurement
Frequency
Output waveform
Standard
MIL-STD-883
Condition
Method 2002
COND.B
Description
Mechanical Shock
1500 g’s, 0.5ms
5 drops, 6 axis
MIL-STD-883
Method 2007
COND. A
Vibration, var.
freq. 20 g’s,
0.06” disp., 2020, 000-20 Hz
Frequency
Output waveform
MIL-STD-883
Method 2003
Solderability
Visual 95%
Coverage
End point
Measurement
Frequency
Output waveform
Standard
MIL-STD-883
Subgroups 3: 4 pcs. (One half of Subgroup 1)
Standard
Condition
Storage Temp.
No. Oper
Description
24 hrs. @ -55°C
24 hrs. @ 125°C
End point
Measurement
Frequency
Output waveform
MIL-STD-883
Method 1009
COND. A
Salt Atmosphere
24 hrs. @ 35°C
0.5-3.0% Solution
Frequency
Output waveform
Visual
MIL-STD-883
Method 1014
COND. A
Method 1014
COND. C
Fine Leak
Qs <5 X10
MIL-STD-883
Gross Leak
-8
Visual in 125°C
Detector fluid
Test data is available for additional cost.
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014
Specifications are subject to change without notice
5
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