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CRYSTAL CLOCK OSCILLATORS
Data Sheet 0629F Rev. A
LVPECL UHF VCXO
SD-X36AXXX Series
Description
The SD-X36AXXX Series of voltage controlled crystal oscillators (VCXO) provides ultra high frequency with LVPECL complementary outputs. The outputs can be Tri-stated for test automation or combining multiple clocks. The device is based on advanced PLL multiplication for higher frequencies, and packaged in a miniature, low profile leadless ceramic SMD package with 6 gold plated pads.
Applications and Features
* Wide frequency range - 38.0MHz to 640.000MHz * Fiber Channel; 10 GbE; Infiniband; Network Processors; SOHO Routing * High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions * Low Phase Noise, Low Jitter * High shock resistance, to 1000g * Ultra High Frequency * Absolute Pull Range (APR) to 100 ppm * Grounded lid and internal by-pass capacitor reduce EMI * RoHS Compliant, Lead Free Construction
Creating a Part Number SD - X 36A X X X - FREQ Package Code Absolute Pull Range, ppm SD 6 pad 5x7mm SMD E 20 F 32 Input Voltage G 50 A 3.3V5% H 100 B 2.5V5% 9 Customer specific
Enable Option L Enable Low
Temperature Range, C A 0 to 50 B 0 to 70 C -20 to 70 D -40 to 85 9 Customer specific
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
CRYSTAL CLOCK OSCILLATORS
SD-X36AXXX Series Continued LVPECL UHF VCXO
Data Sheet 0629F Rev. A
Absolute Maximum Ratings
Parameter Operating Temperature Range Storage Temperature Range Supply Voltage Enable/Disable Voltage Parameter Nominal Frequency Supply Voltage Supply current Output Logic Type Load Output Levels Symb Fo Vcc Icc Symbol To Tst Vcc Ven/dis Conditions, Note Code A Code B Output to Vcc-2V, or Thevenin Equivalent overall Value -40 to +85 -50 to +90 -0.5 to 4.5 0 to Vcc MIN 38 3.135 2.375 TYP 3.3 2.5 80 LVPECL 50 MAX 640 3.465 2.625 100 Unit C C V V Unit MHz V mA Ohm V Vcc1.620 55/45 0.7
Electrical Parameters
Voh Vol
Vcc1.025 45/55 50/50 0.5 0.4 3.5 6 20 40 -60 -90 -120 -130 -128 -144 -150 30
Duty Cycle (Symmetry) Rise/Fall Time Jitter Integrated Wavecrest characterized Phase Noise
Tr/Tf J
(f)
Frequency Stability
F/F
Control Voltage Range Setability Absolute Pull Range Input Impedance Modulation Bandwidth Enable Low Option Pin 2 Disabled Pin 2 Enabled
Vc Vcs APR Zin
At 50% of output voltage swing 20 to 80, 80 to 20 % Integrated from Phase Noise, 12 KHz to 20 MHz , RMS Random 155 MHz period, 622 MHz Accumul., 155 MHz pk-to-pk 622 MHz 155 MHz @ 10 Hz @100 Hz @1 KHz @10KHz @100KHz @1MHz @>10M Overall, including initial calibration, temperature, aging 10 years, shock and vibration @ Vc=Vcc/2 Vc to set F at Fo; T, Vcc, load - nominal, as shipped Over all conditions, see part # creation @ Fmod < 100 Khz At Vc = Vcc/2, -3dB CMOS logic 1 or N/C CMOS logic 0
% ns ps ps ps
dBc/Hz
ppm
0V 0.4 Vcc 20,32, 50,100 10 10 0.7 Vcc 0
0.5 Vcc
Vcc 0.6 Vcc
V V ppm KOhm KHz
Vcc 0.3 Vcc
V
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
CRYSTAL CLOCK OSCILLATORS
Rev. A SD-X36AXXX Series Continued LVPECL UHF VCXO
Electrical Connection Pin Connection 1 Vco 2 Enable 3 VEE 4 Output 5 Output Complement 6 VCC
Environmental and Mechanical Characteristics
Operating temp. range Mechanical Shock Thermal Shock Vibration Hermetic Seal Soldering conditions see part # table Per MIL-STD-202, Method 213, Cond. E Per MIL-STD-883, Method 1011, Cond. A Per MIL-STD-883, Method 2007, Cond. A Leak rate less than 1x10-8 atm.cc/s of helium See MAX reflow profile below
Maximum Reflow Profile
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com

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