SJ-A2870 Series Description SJ-A2870 Series quartz crystal o

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SJ-A2870 Series Description SJ-A2870 Series quartz crystal o

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Data Sheet 9938A Rev.
SJ-A2870 Series
Description
SJ-A2870 Series quartz crystal oscillators provide MECL 10KH series compatible signals ceramic package. Systems designers specify space-saving, cost-effective packaged PECL oscillators meet their timing requirements.
Features
Wide frequency range-18.0MHz 250.0MHz User specified tolerance available Will withstand vapor phase temperatures 253°C minutes maximum Space-saving alternative discrete component oscillators High shock resistance, 3000g volt operation Metal electrically connected ground reduce MECL 10KH series compatible output complement Electrical Connection Connection Output Complement /Ground Output Jitter Wavecrest jitter characterization available High Reliability HALT/HASS qualified crystal oscillator start-up conditions High Crystal actively tuned oscillator circuit Power supply decoupling internal internal avoids cascading problems High frequencies proprietary design Gold plated leads Solder dipped leads available upon request
Beloit Street, P.O. 457, Burlington, 53105-0457 U.S.A. Phone 262/763-3591 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
SJ-A2870 Series Continued Differential Positive (DPECL) Operating Conditions Output Characteristics
Electrical Characteristics
Parameter Frequency Duty Cycle Logic Logic 1(2) Rise Fall Time Jitter, RMS(3) Frequency Stability Symbol Conditions -18.0MHz 45/55% VCC-1.29V -1.35V -2.28V tr,tf 20-80%VO with load VCC-2V -0.5 -dF/F Overall conditions including: -100ppm voltage, calibration, temp., aging, shock, vibration
Data Sheet 9938A Rev.
Typical -1.0
250.0MHz 55/45% 1.70V 2.56V +0.5 psec +100ppm
General Characteristics
Parameter Supply Voltage Supply Current Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load Start-up time Conditions -3.15V termination 2.00V below level Output Current -0°C -55°C Soldering, sec. VCC-2V Thevenin Equivalent, Bias Required -Symbol Typical 3.3V 3.45V ±50.0 70°C 125°C 300°C
Environmental Mechanical Characteristics
Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal Sensitivity MIL-STD-202, Method 213, Condition MIL-STD-833, Method 1011, Condition 0.060" double amplitude 35g's 55Hz 2000 300°C seconds Leak rate less than atm.cc/sec helium Human Body Model Semiconductor 10kH series ECL: 500V min.
Footnotes: Standard frequency stability (±20,±25,±50ppm others available) VOL, VOH, referenced ground (VEE) with 3.3V Jitter performance frequency dependent. Please contact factory full Wavecrest characterization. phase shift between falling edge VCC-1.29V rising edge VCC-1.29V.
Creating Part Number A287X FREQ Package Code Lead Tolerance/Performance ±100ppm 0-70°C ±50ppm 0-70°C ±25ppm 0-70°C Customer Specific ±20ppm 0-70°C ±50ppm +85°C ±100ppm +85°C
Input Voltage Code Specification 3.3V
Beloit Street, P.O. 457, Burlington, 53105-0457 U.S.A. Phone 262/763-3591 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com

SJ-A2870 Series Description SJ-A2870 Series quartz crystal o

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