Product Data Sheet
F-Type
Voltage Controlled Crystal Oscillator (VCXO)
Features
n
Industry Common Pinout
n
Commercial or Industrial Temperature Range
n
TTL or CMOS Drive Capability
n
Hermetic Package
n
5.0 V or 3.3 V Supply
Description
The F-Type Voltage Controlled Crystal Oscillator
(VCXO) is used in a phase lock loop applications
including clock recovery and frequency translation
applications. The metal package is grounded for
improved EMI performance.
The FTV Voltage Controlled Crystal Oscillator
Pin Information
Table 1. Pin Function
Pin
Symbol
1
V
C
7
GND
8
Output
14
V
DD
Function
VCXO Control Voltage
Case Ground
VCXO Output
Power Supply Voltage (3.3 or 5.0 V
±10%)
14
1
8
7
Performance Characteristics
Table 2. Electrical Performance
Parameter
Operating Temperature Range
1
Center Frequency
Absolute Pull Range
2
Supply Voltage
Supply Current
3
Output Voltage Levels
Output High
Output Low
3
Transition times
Rise Time
Fall Time
Fanout
Start-Up Time
Control Voltage
Fanout
Symbol
To
f
0
V
DD
I
DD
V
OH
V
OL
T
R
T
F
t
su
V
C
Fo
Minimum
Typical
Maximum
0 to 70, -20 To 70, or -40 to 85
1
-
52
+/- 20 to +/-100
3.3 or 5.0 (+/-10%)
-
0.45 mA/MHz
35
0.9 V
DD
-
0.1 V
DD
-
-
-
-
0.1 V
DD
-
-
-
-
2
-
-
5.0
5.0
10
-
0.9 V
DD
10 TTL
Units
°C
MHz
ppm
V
mA
V
V
ns
ns
TTL
ms
V
Loads
1. Other frequencies may be available, please contact factory with your special requirements.
2. A 0.1
µF
low frequency tantalum bypass capacitor in parallel with a 0.01
µF
high frequency ceramic capacitor is recommended. Both should be located as close to the FTU-Type bias pin as is practical
3. Figure 1 defines these parameters. Figure 2 illustrates the equivalent TTL load and operating conditions under which these parameters are specified and tested.
T
R
V
OH
V
S
V
OL
On Time
0V
Period
T
F
I
DD
14
V
DD
+
-
I
C
V
C
+
-
1
7
650Ω
8
15pF
1.83kΩ
Figure 1. Output Waveform
Figure 2. Output Test Conditions (25±5°C)
±
Vectron International
•
267 Lowell Road, Hudson, NH 03051
•
Tel: 1-88-VECTRON-1• http://www.vectron.com
1
F-Type VCXO
Handling Precautions
Although protection circuitry has been designed into this
device, proper precautions should be taken to avoid exposure
to electrostatic discharge (ESD) during handling and mounting.
VTI employs a human-body model (HBM) and a charged-
device model (CDM) for ESD-susceptibility testing and
protection design evaluation.
ESD voltage thresholds are dependent on the circuit
parameters used to define the mode. Although no industry-
wide standard has been adopted for the CDM, a standard HBM
(resistance = 1500Ω, capacitance = 100pF) is widely used and
therefore can be used for comparison purposes. The HBM
ESD threshold presented here was obtained by using these
circuit parameters.
Table 3. ESD Threshold Voltage
Model
Threshold
Human-Body (HBM)
1000*
Charged-Device (CDM)
500
*Mil-STD-883D, Method 3015, Class 1
Unit
Volts Min.
Volts Min.
Table 4. Mechanical and Environmental Compliance
Parameter
Conditions
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Gross Leak
Fine Leak
Seal Strength
Bend Test
Marking
Storage Temperature
MIL-STD-883C, 2002.3, A
MIL-STD-883C, 2007.1, A
MIL-STD-883C, 1010, A
100% Deionized Water
MIL-STD-883C, 1014.7
2 lbs Perpendicular to Top and Bottom
MIL-STD-202E, 211A, C
MIL-STD-202E, 215
-55°C to 125°C
Outline Diagram
VTI
FTVGCA
35.3280
743
Figure 3 Outline Diagram
Ordering Information
Table 5. Part Numbering
Example Part #
F
Package
F
4 pin DIP
T
Supply
Voltage (V)
T
5.0±10%
D
3.3±10%
V
VCXO
Type
VCXO
G
Pull (ppm)
F
G
H
A
±32
±50
±100
±100
TPR
C
Operating
Temp. (°C)
0 to 70
C
L
I
-40 to 85
-20 to 70
A
Output
Load
TTL
A
B
J
K
TTL
50
±10%
V
50
±5%
CMOS
50
±5%
CMOS
50
±10%
Other specifications may be available on request.
For Additional Information Please Contact:
USA:
Vectron International
•
267 Lowell Road, Hudson, NH 03051
•
Tel: 1-88-VECTRON-1
•
Fax: 1-888-FAX-VECTRON
EUROPE:
Tel: 49 (0) 3328 4784 17 • Fax: 49 (0) 3328 4784 30
ASIA:
Tel: +86 21 28909740 / 41 / 42 • Fax: +86 21 28909240 / 2890999
I
rev 1.2, 4/27/98, 08/16/02
Vectron International reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is assumed as a result of their use or
application. No rights under any patent accompany the sale of any such product(s) or information.
2
PCB Design
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