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PDF VC-501 Data sheet ( Hoja de datos )
| Número de pieza | VC-501 | |
| Descripción | Voltage Controlled Crystal Oscillator | |
| Fabricantes | VI | |
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VC-501
Voltage Controlled Crystal Oscillator
Features
Industry Standard Package, 14.0 x 9.0 x 4.5 mm
Output Frequencies from 100.00 MHz to 200 MHz
3.3 V Operation
HFF/fundamental crystal for ultra low jitter
Complementary PECL Outputs
Low phase noise and custom options
0/70C or –40/85C operating temperature
Enable /Disable (PECL)
Applications
PLL circuits for Clock Smoothing and Frequency Translation
Fiber Channel
SONET
SDH, ITU-T G.709
SONET, GR-253-CORE Issue3
Description
The VC-501 is a voltage controlled crystal oscillator that
operates at the fundamental frequency of the internal HFF
crystal. The HFF crystal is a high-Q quartz device that
enables the circuit to achieve low phase jitter performance
over a wide operating temperature range. The oscillator is
housed in an industry standard hermetically sealed leadless
surface mount package and is available on tape and reel.
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Page 1 of 6
Website: www.vectron.com
Rev: 4 20Sep2004
1 page  
VC-501 Voltage Controlled Crystal Oscillator
Parameter
Symbol
Ratings
Unit
Power Supply
VCC 0 to 6 V
Voltage Control Range
VC 0 to VCC V
Storage Temperature
TS
-55 to 125
C
Soldering Temp/Time
TLS
240/10
C/sec
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.
Reliability
The VC-501 family is capable of meeting the following qualification tests:
Environmental 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 2015
Handling Precautions
Although ESD protection circuitry has been designed into the VC-501 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 Ratings
Model
Minimum
Human Body Model
500
Charged Device Model
500
Recommended Solder Reflow Profile
Conditions
MIL-STD 883, Method 3015
JESD 22-C101
220
183
150
60 60-90
45-60
Tim e (s)
VI qualification includes aging at various extreme temperatures, shock and vibration, temperature cycling, and IR
reflow simulation. The conditions a device can withstand are well understood and devices can be subjected to
the profile above. This profile shows a ramp up condition to prevent thermal shock, a preheat period in which the
flux is activated, a ramp up to 183C which is the reflow temperature of Sn/Pb eutectic, and a gradual cool down.
The time above 183C should not exceed 60 seconds and the peak temperature should be no more than 240C
for 10 seconds. The VC-501’sarehermeticallysealedsoanaqueouswashisnotanissue.
Standard Frequencies (MHz)
100.00
106.250
125.000
155.520
156.250
161.1328
167.3316
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Page 5 of 6
Website: www.vectron.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet VC-501.PDF ] | |
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