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Product Data Sheet
J-Type
Voltage Controlled Crystal Oscillator
Features
* Output Frequencies from 1.024 MHz to 170.000 MHz * +3.3 or +5.0 volt options * Small 14mm x 9mm J-type Package * CMOS or PECL Outputs * Low phase noise and custom options * 0/70 C or -40/85 C operating temperature * Tri-State output (CMOS) Enable/Disable (PECL)
Applications
* Clock Smoothing * Frequency Translation * SONET, SDH, ATM, DSLAM, ADM
Description
The J-type voltage controlled crystal oscillator incorporates VI's advanced VCXO performance capabilities while adhering to a package footprint compatible with the industry-common J-lead package. The J-type VCXO is a quartz stabilized square wave generator with either a CMOS output for driving CMOS/TTL loads or a PECL output. The device is packaged in a 6 pin J-lead ceramic package and is hermetically sealed with a grounded conductive lid.
J-Type Voltage Controlled Crystal Oscillator
CMOS Output Option Electrical Performance @ 25C for the CMOS output option
Parameter
Supply Voltage1, +5 volt option +3.3 volt option Supply Current Center Frequency, see ordering information Operating Temperature, see ordering info Absolute Pull Range over the operating temperature range, aging and power supply Vc=0.5 to 4.5 at 5V supply or 0.3 to 3.0 V at 3.3V supply see ordering information for options Gain Transfer (Frequency vs. Control Voltage) Output Level High2 Output Level Low2 Output Rise/Fall Time2 Duty Cycle3, see ordering info Control Input Leakage Control Voltage Modulation Bandwidth RMS Jitter, Output=12.0-77.760 MHz RMS Jitter, Output=12.0-77.760 MHz. Band=12.0 KHz - 20 MHz Control Range Maximum Supply Voltage Storage Temperature Soldering Temp./Time
Symbol
Minimum
Typical
Maximum
Unit
Vdc Vdc MHz C ppm
FN TOP APR
4.5 5.0 5.5 3.0 3.3 3.6 10mA + 0.25mA per MHz, typical 1.024 77.760 0/70, -40/85 50 to 100
KV VOH VOL tR/ tF SYM IL BW 0.8*Vcc
Positive 45/55 or 40/60 10 3 <0.5 1 V V ns % uA kHz ps ps
0.1*Vcc 5
0 TS TLS -55 -
VDD 7 125 220/10
V C C/s
1. Power supply bypass is required and a 0.1uF in parallel with a 0.01uF high frequency capacitor is recommended. 2. Figure 1 defines these parameters. Figure 2 illustrates the load used to test devices. 3. Duty cycle is defined as on-time versus period at 1.4 V for TTL, and 2.5 V for CMOS (5volt supply) and at 1.65 V for CMOS (3.3 volt operation)
Pin Out Information for the CMOS output option
Pin
1 2 3 4 5 6
Symbol
Vc Tri-State1 GND Output CMOS/TTL select1,2 VCC
Function
VCXO Control Voltage. TTL logic low disables output TTL logic high, or no connect, enables output Case and electrical ground. VCXO Output TTL logic low optimizes symmetry for CMOS TTL logic high, or NC, optimizes symmetry for TTL. Power Supply Voltage (5.0 V or 3.3V 10%)
1. Standard option. Tri-State can be connected to pin 5 and CMOS/TTL select would be on pin 2. 2. Output is HCMOS. For frequencies >12MHz, this option optimizes symmetry for either CMOS or TTL thresholds. Ground this pin for frequencies < 12MHz.
Vectron International * 166 Glover Avenue, Norwalk, CT 06856 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
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J-Type Voltage Controlled Crystal Oscillator
CMOS Output Option
Figure 1 Output Wave Form Figure 2 Output Test Conditions
Threshold = 1.4 volts for TTL and 50% for CMOS
Output Test Conditions (255C) for 5 volt devices. For 3.3V use 15pF cap only, no resistors needed.
Ordering Information for the CMOS output option (add frequency)4
Package Supply Voltage
C 5V10%
VCXO Type
U VCXO G
APR (ppm)
50 C
Operating Temp. (C)
0/70 A
Output/Duty Cycle Min/Max
TTL/ CMOS 45/55%1 CMOS 45/55%2 CMOS 40/60%3
Tri-State
Specials
J
6 pin Ceramic SOJ
T Tri State on pin 2
N
Standard
D 3.3V10% L
10% N linear VCXO H
80
L
-40/85
J
100
K
1. Output is CMOS and symmetry is tested at TTL and CMOS thresholds. 2. Output is CMOS and symmetry is tested at CMOS threshold. This option is used for 3.3 V operation. 3. Output is CMOS and symmetry is tested at CMOS thresholds. This option is required for 3.3V, frequencies >51.840MHz. 4. Note: Not all combinations are possible.
Example: JDUGCKTN @ 77.76 MHz = 3.3 volt, VCXO@77.760, 50 ppm APR, 0/70C, 40/60% Symmetry, CMOS, Tri-State on pin 2.
Standard Frequencies, in MHz, for CMOS output option
1.024 3.686 6.144 8.448 14.318 19.44 27.000 38.880 52.000 1.544 4.000 6.176 10.000 15.360 20.000 30.000 40.000 65.536 2.000 4.032 6.312 12.000 15.440 20.480 32.000 40.960 77.760 2.048 4.096 6.400 12.288 16.000 24.000 32.768 44.736 155.5201 3.088 4.434 8.000 12.352 16.384 24.576 34.368 50.000 3.580 5.000 8.192 13.000 18.432 24.704 35.328 51.840
1. Uses a PLL multiplier, jitter is 25ps rms typical vs 3ps rms typical for a HFF (High Frequency Fundemental) design. Available with 5 Vdc input only. Other frequencies available upon request.
Vectron International * 166 Glover Avenue, Norwalk, CT 06856 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
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J-Type Voltage Controlled Crystal Oscillator
PECL Output Option Electrical Performance @ 25C for the PECL output option
Parameter
Supply Voltage1, +5 volt option +3.3 volt option Supply Current (frequency dependent) Center Frequency, see ordering information Operating Temperature, see ordering info Absolute Pull Range over the operating temperature range, aging and power supply Vc= 0.5 to 4.5 at 5V supply or 0.3 to 3.0 V at 3.3 supply see ordering information for options Gain Transfer (Frequency vs. Control Voltage) Output Level High2 (0/70C) Output Level Low2 (0/70C) Output Level High2 (-40/+85C) Output Level Low2 (-40/+85C) Output Rise/Fall Time2 Duty Cycle Control Input Leakage Control Voltage Modulation Bandwidth RMS Jitter RMS Jitter, 155.52 MHz, 12 kHz to 20 MHz (option P) Maximum Control Voltage Maximum Supply Voltage Storage Temperature Soldering Temp./Time
Symbol
Minimum
4.5 3.0
Typical
5.0 3.3
Maximum
5.5 3.6 <65mA 170
Unit
Vdc Vdc MHz C ppm
FN TOP APR
15 0/70, -40/85 32 to 50
KV VOH VOL VOH VOL tR/ tF SYM IL BW Vcc-1.025 Vcc-1.810 Vcc-1.085 Vcc-1.830
Positive Vcc-0.880 Vcc-1.620 Vcc-0.880 Vcc-1.555 1 45/55 0.1 V V V V ns % mA kHz ps ps V C C/s
10 see ordering information 0.5 1.0 0 VDD 7 -55 125 220/10
TS TLS
1. Power supply bypass is required and a 0.1uF in parallel with a 0.01uF high frequency capacitor is recommended. 2. Transition times are measured from 20% to 80% of a full 10K ECL level swing.
Pin Out Information for the PECL output option
Pin
1 2 3 4 5 6
Symbol
Vc N/C or E/D1 GND Output COutput VCC
Function
VCXO Control Voltage. No Connect or Output Disable option Case and electrical ground. VCXO Output VCXO Complementary Output Power Supply Voltage (5.0 V or 3.3V 10%)
1. By setting pin 2 high, the outputs are disabled and output on pin 4 is held low while Complementary output on pin 5 is held high. Output is enabled by setting pin 2 at < Vcc -1.6V, See ordering information for enable/disable option.
Vectron International * 166 Glover Avenue, Norwalk, CT 06856 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
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J-Type Voltage Controlled Crystal Oscillator
PECL Output Option
Output Wave Form Output Test Conditions
Output Test Conditions (255C)
Ordering Information for the PECL output option (add frequency)
Package Supply Voltage
C 5V10%
1
VCXO Type
U VCXO F
APR (ppm)
32 C
Operating Temp. (C)
0/70 M
Output/Duty Cycle Min/Max
PECL 45/55% U
Enable/ Disable
None N
Specials
J
6 pin Ceramic SOJ
Standard
D 3.3V10% L
10% G linear VCXO
50
L
-40/85
E Enable/ Disable on pin 2
P
6ps rms (<1ps rms 12 kHz-20 MHz) jitter 12ps rms jitter 20ps rms jitter
M 20ppm stability VCXO
R
T
1. Note: Not all combinations are possible.
Example: JDUGLMEP @77.76 MHz = 3.3 volt, VCXO @77.760, 50 ppm APR, -40/85C, 45/55% Symmetry, PECL, Enable/Disable on pin 2, 6ps rms jitter
Standard Frequencies, in MHz, for PECL output options
77.760 82.944 155.52
Other frequencies available upon request.
Vectron International * 166 Glover Avenue, Norwalk, CT 06856 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
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J-Type Voltage Controlled Crystal Oscillator
Outline Drawing
Tape and Reel
Tape and Reel Dimensions (mm)
Tape Dimensions Product J-Type A 24 B 11.5 C 1.5 D 4 E 12 Reel Dimensions F 1.78 G 21 H 13 I 100 J 5 K 25 L 330 200 # Per Reel
Vectron International * 166 Glover Avenue, Norwalk, CT 06856 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
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J-Type Voltage Controlled Crystal Oscillator
Typical Frequency Translation Diagram
Typical Clock Smoothing Diagram
Recommended Solder Reflow Profile
Suggested IR profile 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 in figure 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 183 C which is the eutectic temperature of Sn/Pb and a gradual cool down. The time above 183 C should not exceed 60 seconds and the peak temperature should be no more than 220 C for 10 seconds. The Jtypes are 100% screened for hermeticity so an aqueous wash is not an issue.
Vectron International * 166 Glover Avenue, Norwalk, CT 06856 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
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J-Type Voltage Controlled Crystal Oscillator
Recommended Solder Pad Layout
Mechanical and Environmental Compliance
Parameter Mechanical Shock Mechanical Vibration Solderability Gross and Fine Leak Resistance to Solvents Conditions MIL-STD-883, 2002 MIL-STD-883, 2007 MIL-STD-883, 2003 MIL-STD-883, 1014 MIL-STD-883, 1016
Handling Precautions
Although ESD protection circuitry has been designed into the the J-type, 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.
ESD Ratings Model
Human Body Model Charged Device Model
Minimum
1500V 1500V
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For additional information please contact:
USA: Vectron International * 166 Glover Avenue, Norwalk, CT 06856 . . . . Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON EUROPE: In Denmark, Finland, Ireland, Israel, Norway, Spain, UK . . . . . . . Tel: 44 (0) 1703 766 288 * Fax: 44 (0) 1703 766 822 In Austria, Belgium, France, Germany, Italy, Luxembourg Netherlands, Sweden, Switzerland, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: 49 (0) 72 63 6480 * Fax: 49 (0) 72 63 6196 ASIA: In China, Taiwan, Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: 603-598-0070 * Fax: 603-598-0075 In Korea, Singapore, Australia, India . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: 203-853-4433 * Fax: 203-849-1423
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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. (c) Vectron International 2000 Printed in USA 6/00
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