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| CRYSTAL CLOCK OSCILLATORS Differential Positive ECL (DPECL) Data Sheet 0541F Rev. B SU-A29F0 Series Description The SU-A29F0 Series of quartz crystal oscillators provide DPECL compatible signals. Systems designers may now specify space-saving, cost-effective packaged PECL oscillators to meet their timing requirements. Features * Wide frequency range - 280.0+MHz to 350.0MHz * User specified tolerance available * Will withstand SMD reflow temperatures of 253C for 4 minutes maximum * Space-saving alternative to discrete component oscillators * High shock resistance, to 1000g * 3.3 volt operation * High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions Electrical Connection Pin 1 2 3 4 5 6 Connection Enable N/C Ground Q Output /Q Output VCC * Wavecrest jitter characterization available * Overtone technology * High Q Crystal actively tuned oscillator circuit * No internal PLL avoids cascading PLL problems * Power supply decoupling internal * Metal lid electrically connected to ground to reduce EMI * Gold plated pads 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 SU-A29F0 Series Continued Differential Positive ECL (DPECL) Operating Conditions and Output Characteristics Parameter Frequency Duty Cycle Logic 0 (2)(7) Logic 1(2)(7) Rise & Fall Time Tpd(6) Jitter, RMS(3) Enable Voltage(5) Disable Voltage Frequency Stability (1) Data Sheet 0541F Rev. B Electrical Characteristics Symbol Conditions Min --------280.0+MHz ----@ VCC-1.29V 45/55% VOL --------VOH ----VCC-1.025V tr,tf 20-80%VO with 50 ohm load to VCC-2V -------------200psec ----------------with VEE = 0V 2.0V ----with VEE = 0V ----dF/F Overall conditions including: -100ppm voltage, calibration, temp., 10 yr aging, shock, vibration Conditions Min 3.3V5% 3.135V 50 ohm termination 0.0 mA To 2.00V below VCC IO Low level Output Current 0.0 mA TA -----0C -----55C TS PD --------TL Soldering, 10 sec. ----50 Ohm to VCC-2V or Thevenin Equivalent, Bias Required tS --------Symbol VCC ICC Typical ----------------------------------------- Max 350.0MHz 55/45% VCC-1.62V ----500ps +200psec 1 ps ----0.8V +100ppm Parameter Supply Voltage(4) Supply Current General Characteristics Typical 3.3V ------------------------2 ms Max 3.465V 105 mA 50.0 mA 70C 125C 364 mW 300C 10 ms Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load(7) Start-up time Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal Environmental and Mechanical Characteristics Per MIL-STD-202, Method 213, Condition E Per MIL-STD-833, Method 1011, Condition A 0.060" double amplitude 10 Hz to 55 Hz, 35g's 55Hz to 2000 Hz 300C for 10 seconds Leak rate less than 1 x 10 -8 atm.cc/sec of helium Footnotes: 1) Standard frequency stability (20,25,50ppm & others available) 2) VOL, VOH, referenced to ground (VEE) with VCC = 3.3V 3) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization. RMS jitter bandwidth of 12kHz to 20MHz. 4) Internal high frequency power source decoupling. 5) Open to enable pin also enables the output. 6) Tpd is phase shift between the falling edge of pin 4 at 2.0V and the rising edge of pin 5 at 2.01V. 7) Logic levels are dependant on specified load of 50 ohms to VCC-2 volts. Creating a Part Number SU - A29FX - FREQ Package Code SU 6 pad 9x14mm SMD Input Voltage Code Specification A 3.3V B 2.5V Tolerance/Performance 0 100ppm 0-70C 1 50ppm 0-70C 7 25ppm 0-70C 9 Customer Specific A 20ppm 0-70C B 50ppm -40 to +85C C 100ppm -40 to +85C 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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