Vectron International 267 Lowell Road, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
VCC6-L/V
2.5 or 3.3 volt LVDS Oscillator
The VCC6 Crystal Oscillator
Features
• 2.5 or 3.3 V LVDS
• 3rd Overtone Crystal for best jitter performance
• Output frequencies to 270 MHz
• Low Jitter < 1 pS rms, 12kHz to 20MHz
• Enable/Disable output for test and board debug
• -10/70 or –40/85 °C operating temperature
• Hermetically sealed ceramic SMD package
• Product is compliant to RoHS directive
and fully compatible with lead free assembly
Applications
• SONET/SDH/DWDM
• Ethernet, Gigabit Ethernet
• Storage Area Network
• Digital Video
• Broadband Access
Description
Vectron’s VCC6 Crystal Oscillator (XO) is quartz
stabilized square wave generator with a LVDS
output, operating off a 2.5 or 3.3 volt supply.
The VCC6 uses a 3rd overtone crystals for output
frequencies < 200MHz resulting in low jitter
performance, typically 0.3pS rms in the 12 kHz to
20MHz band.
fo
fo
Output
Buffer /
Disable
VCC6-L/V Series, 2.5 and 3.3V LVDS Crystal Oscillator
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
Performance Characteristics
Table 1. Electrical Performance
Parameter Symbol
Min Typical Maximum Units
Frequency fO 10 270 MHz
Supply Voltage 1 L option VDD 3.15 3.3 3.45
Supply Voltage 1 V option VDD 2.375 2.5 2.625 V
Supply Current, Output Enabled IDD 60 mA
Supply Current, Output Disabled IDD 30 uA
Output Logic Levels
Output Logic High2
Output Logic Low2
VOH
VOL
0.9
1.43
1.10
1.6
V
V
Differential Output VOD 247 330 454 mV
Differential Output Error 50 mV
Offset Voltage VOS 1.125 1.25 1.375 V
Offset Error VOS 50 mV
Output Leakage Current 10 uA
Transition Times
Rise Time2
Fall Time2
tR
tF
600
600
ps
ps
Symmetry or Duty Cycle3 SYM 45 50 55 %
Operating temperature (ordering option) -10/70 or –40/85 °C
Stability (ordering option)4 ±25, ±50 or ±100 ppm
RMS Jitter, 12kHz to 20 MHz 0.3 0.7 pS
RMS Jitter 2.5 pS
Output Enabled5 0.7*VDD V
Output Disabled5 0.3*VDD V
Output Enable/Disable time 400 nS
Package Size 5.0 x 7.0 x 1.5 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.
3. Symmetry is measured defined as On Time/Period.
4. Includes calibration tolerance, operating temperature, supply voltage variations, aging (40 degreesC/10 years) and shock and
vibration (not under operation).
5. Output will be enabled if enable/disable is left open.
Figure 1. Output Waveform
80%
Vs
20%
t
F
t
R
Period
On Time
VCC6-L/V Series, 2.5 and 3.3V LVDS Crystal Oscillator
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
Outline Diagram, Pad Layout and Pin Out
Contact Pad Plating: gold over nickel
Table 2. VCC6-LCx and VCC6-VCx Pinout
Pin # Symbol Function
1 E/D Tristate Function
2 NC This pin has no internal connection and is floating.
3 GND Ground
4 fO Output Frequency
5 Cfo Complementary Output Frequency
6 VDD Supply Voltage
Table 3. VCC6-LAx and VCC6-VAx Pinout
Pin # Symbol Function
1 NC This pin has no internal connection and is floating.
2 ED Tristate Function
3 GND Ground
4 fO Output Frequency
5 Cfo Complementary Output Frequency
6 VDD Supply Voltage
VCC6-L/V Series, 2.5 and 3.3V LVDS Crystal Oscillator
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
A
E
CD
B
GFJ
LI
KH
Tape and Reel
Table 4. Tape and Reel Dimensions (mm)
Tape Dimensions Reel Dimensions # Per
Product A B C D E F G H I J K L Reel
VCC6 16 7.5 1.5 4 8 2 21 13 60 2 17 180 250
Enable/Disable Functional Description
Under normal operation the Enable/Disable is left open, or set to a logic high state, the VCC6 is an
oscillation mode and outputs are active. When the E/D is set to a logic low, the oscillator stops and the
both the output and complementary outputs are in a high impedance state. This helps facilitate board
testing and troubleshooting.
Power Saving Pull-Up Resistor
The E/D pull-up resistor changes in response to the input logic level; the pull-up resistor is a large value
when E/D is set to a logic low, which reduces the current consumed. When E/D is open, or set to a logic
high, the pull-up resistance becomes a smaller value which helps decrease the effects of external noise.
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 5. Absolute Maximum Ratings
Parameter Symbol Ratings Unit
Power Supply VDD -0.5 to +7.0 Vdc
Enable/Disable VIN -0.5 to VDD+0.5 Vdc
Storage Temperature Tstorage -55/125 °C
VCC6-L/V series, 2.5 and 3.3V LVDS Crystal Oscillator
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
Reliability
The VCC6 qualification tests include the following:
Table 6. Environnemental Compliance
Parameter Conditions
Mechanical Shock MIL-STD-883 Method 2002
Mechanical Vibration MIL-STD-883 Method 2007
Solderability MIL-STD-883 Method 2003
Gross and Fine Leak MIL-STD-883 Method 1014
Resistance to Solvents MIL-STD-883 Method 2016
Handling Precautions
Although ESD protection circuitry has been designed into the the VCC6, 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 7. ESD Ratings
Model Minimum Conditions
Human Body Model 1000 MIL-STD-883 Method 3115
Charged Device Model 1000 JESD 22-C101
Suggested IR profile
The VCC6 has been qualified to meet the JEDEC standard for Pb-Free assembly. The temperatures and
time intervals listed are based on the Pb-Free small body requirements and parameters are listed in Table 7.
The VCC6 is hermetically sealed so an aqueous wash is not an issue.
Table 8. Reflow Profile
Parameter Symbol Value
PreHeat Time t S 60 sec Min, 180 sec Max
Ramp Up R UP 3 oC/sec Max
Time Above 217 oC t L 60 sec Min, 150 sec Max
Time To Peak Temperature t AMB-P 480 sec Max
Time At 260 oC (max) t P 10 sec Max
Ramp Down R DN 6 oC/sec Max
VCC6-L/V series, 2.5 and 3.3V LVDS Crystal Oscillator
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
Frequencies (MHz)
50.000 74.1758 74.250 77.760 80.000
100.000 106.250 125.000 133.000 136.000
153.850 155.520 156.250 161.1328 162.325
164.3555 166.6667 173.3708 173.438 175.000
180.000 187.500 200.00 212.500
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
VCC6-LCB – 125M000
Product Family Frequency
Crystal Oscillator example: 125M000= 125.000 MHz
Output Stability Options/Temperature
L: LVDS 3.3 Volts A: ±100ppm -10 to 70°C
V: LVDS 2.5 Volts B: ±50ppm -10 to 70°C
Enable/Disable C: ±100ppm -40 to 85°C
A: E/D is on Pin 2, Pin 1 is NC D: ±50ppm -40 to 85°C
C: E/D is on Pin 1, Pin 2 is NC E: ±25ppm -10 to 70°C
F: ±25ppm -40 to 85°C
NOTE: Not all combinations of options are available.
A ±20ppm over -10 to 70°C, +3.3V, E/D on pin 1, VCC6-109-frequency is available.
A ±20ppm over -10 to 70°C, +2.5V, E/D on pin 1, VCC6-111-frequency is available.
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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.
VCC6-L (REVISION DATE: September 6 2005
)
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: Landstrasse, D-74924, Neckarbischofsheim, Germany •
Tel: 49 (0) 7268 8010 • Fax: 49 (0) 7268 801281
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
