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VVC1/VVC2
Voltage Controlled Crystal Oscillator
Features
* VCXO with a CMOS output * Small 5.0 X 7.0 X 1.8 mm package * Output frequencies to 66 MHz * 5.0 or 3.3 V operation * Low Jitter < 6 pS rms, fo>12MHz * Tri-State Output for test and board debug * 0/70 or -40/85 C operating temperature
* Hermetically sealed ceramic SMD package
The VVC1 Voltage Controlled Crystal Oscillator
* Product is compliant to RoHS directive and fully compatible with lead free assembly
Applications
* SONET/SDH/DWDM * Ethernet, Gigabit Ethernet * xDSL/PCMCIA cards
ESD Diodes
* Digital Video * Broadband Access
Vc
Input Buffer Output Buffer / Tri-state
fO
Description
Vectron's VVC1 Voltage Controlled Crystal Oscillator (VCXO) is a quartz stabilized square wave generator with a CMOS output and is tested at CMOS and TTL (5.0 volt operation) logic levels. The VVC1 uses fundamental crystals resulting in low jitter performance and a monolithic IC which improves reliability and reduces cost.
Vectron International 267 Lowell Road, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VVC1 Voltage Controlled Crystal Oscillator Performance Characteristics
Table 1. Electrical Performance Parameter Frequency Supply Voltage 1 (+5.0 V) (+3.3 V) Supply Current (+5.0 V) (+3.3 V) Output Logic Levels Output Logic High2 Output Logic Low2 Transition Times Rise Time2 Fall Time2 Symmetry or Duty Cycle3 Operating temperature (ordering option) Total Pull Range (ordering option) Or Absolute Pull Range Test Conditions for APR (+5V option) Test Conditions for APR (+3.3V option) Gain Transfer (See Figure 3) Control Voltage Leakage Current Control Voltage Bandwidth (-3dB) Package Size
Symbol fO VDD IDD
Min 1.544 4.750 3.135
Typical 5.0 3.3
Maximum 65.536 5.250 3.465 55 40
Units MHz V mA
VOH VOL tR tF SYM
0.9*VDD 0.1V DD 5 5 55
V V ns ns % C ppm
45
50 0/70 or -40/85 50, 100 or 150 50, 80 or 100
VC VC IVCXO BW
0.5 0.3 Positive
4.5 3.0 1
10 5.0 x 7.0 x 1.8
V V ppm/V uA kHz mm
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended. 2. Figure 1 defines these parameters. Figure 2 illustrates the equivalent five gate TTL load and operating conditions under which these parameters are tested and specified. 3. Symmetry is defined as (ON TIME/PERIOD with Vs= 1.4 V for TTL and Vs=2.5 V for CMOS, 5 volt operation, and Vs=1.65V for 3.3 Volt operation.
tR
80 %
tF
IDD 6 V DD + 2 5 3
650
Vs
20%
.1 F
.01 F IC VC
1 + -
4
15pF 1.8k
On Time Period
Figure 1. Output Waveform
Figure 2. Typical Output Test Conditions (255C)
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VVC1 Voltage Controlled Crystal Oscillator
Outline Diagram, Pad Layout and Pin Out
Inch/[mm}
Pin #
1 2 3 4 5 6
Symbol
VC NC or Tri-state GND fO Tri-state or NC V DD
Function
Control Voltage No Connect or Tri-state Ground Output Frequency Logic low disables output Logic high or no connection enables output waveform Supply Voltage
Tape and Reel
J F D A E C G B L I
H
K
Tape and Reel Dimensions (mm) Tape Dimensions Product A B C D E
VVC1
12 5.5 1.5 4 8
Reel Dimensions F G H
1.78 20.6 13
I
55
J
6
K
12.4
L
178
# Per Reel
500
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VVC1 Voltage Controlled Crystal Oscillator
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied at these or any other conditions in excess of conditions represented in the operational sections of this data sheet. Exposure to absolute maximum ratings for extended periods may adversely affect device reliability. Table 2. Absolute Maximum Ratings Parameter Symbol Power Supply VDD Storage Temperature Tstorage Voltage Control Range VC Ratings 6 -55/125 Gnd to VDD Unit Vdc C V
200.0
150.0
100.0
Frequency Pull (ppm)
50.0
0.0
-50.0
-100.0
-150.0
-200.0 0.30
0.60
0.90
1.20
1.50
1.80
2.10
2.40
2.70
3.00
Control Voltage (volts)
Figure 3. Typical Frequency Pull versus Control Voltage, 35.328MHz Output, 3.3 Volt Supply
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VVC1 Voltage Controlled Crystal Oscillator
Reliability
The VVC1 is capable of meeting the following qualification tests.
Table 3. Environnemental Compliance
Parameter Mechanical Shock Mechanical Vibration Solderability Gross and Fine Leak Resistance to Solvents Conditions MIL-STD-883 Method 2002 MIL-STD-883 Method 2007 MIL-STD-883 Method 2003 MIL-STD-883 Method 1014 MIL-STD-883 Method 2016
Handling Precautions
Although ESD protection circuitry has been designed into the the VVC1, proper precautions should be taken when handling and mounting. VI employs a Human Body Model and a Charged-Device Model (CDM) for ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on the circuit parameters used to define the model. Although no industry wide standard has been adopted for the CDM, a standard HBM of resistance = 1.5kohms and capacitance = 100pF is widely used and therefore can be used for comparison purposes.
Table 4. ESD Ratings
Model Human Body Model Charged Device Model Minimum 1500 1000 Conditions MIL-STD-883 Method 3115 JESD 22-C101
Suggested IR profile
Devices are built using lead free epoxy and can also be subjected to standard lead free IR reflow conditions.
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VVC1 Voltage Controlled Crystal Oscillator
Standard Frequencies (MHz)
1.544 2.048 4.096 8.192 10.000 12.000 12.288 12.352 13.000 14.318 15.440 16.000 16.384 18.432 19.440 20.000 20.480 24.576 24.704 27.000 30.000 32.000 32.768 34.368 35.328 38.880 40.000 40.960 44.736 51.840 52.000 62.208 65.536 Other frequencies may be available upon request. Standard frequencies are frequencies which the crystal has been designed and does not imply a stock position.
Ordering Information
VVC1-BGE - xxMxxx
Product Family VC=VCXO Package 5x7x2 TriState 1=Pin 5 2=Pin 2 Power Supply, Linearity A: 5.0V , 20% Linearity B: 3.3V, 20% Linearity C: 5.0V, 10% Linearity F: 3.3V, 10% Linearity Frequency example: 44M736= 44.736MHz Temperature Range/Stability(for TPR) B: 0/70 C, 50 ppm D: -40/85 C, 50 ppm E: 0/70 C, 25 ppm F: -40/85C, 25 ppm Absolute Pull Range G: 50 ppm APR N: 80 ppm APR H: 100 ppm APR or Total Pull Range 1: 50 ppm 2: 100 ppm 3: 150 ppm
NOTE: Not all combinations of options are available. Higher frequencies have less pull capability, especially at +3.3 volts supply, and higher pull can result in 20% linearity instead of 10%. Consult factory or your local sales representative with application requirements.
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: VI Telefilter * Potsdamer Strae 18, 14513 Teltow, Germany Tel: 49 (0) 3328 4784 17 * Fax: 49 (0) 3328 4784 30 ASIA: Vectron Asia Pacific Sales 1F~2F. No.8 Workshop No.308 Fenju Rd., WaiGaoQiao Free Trade Zone, Pudong New Area Shanghai, China 200131 *Tel: 8621 50480777 * Fax: 8621 50481881
www.vectron.com
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. VVC1 (June 26 2005)
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com

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