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| CRYSTAL CLOCK OSCILLATORS TTL Data Sheet 0106E Rev. D SJ-1520 Series Description The SJ-1520 Series of quartz crystal oscillators provide enable/disable 3-state TTL compatible signals for bus connected systems. Supplying Pin 1 of the SJ-1520 units with a logic "1" enables its output on Pin 3. In the disabled mode, Pin 3 presents a high impedance to the load. Features * Wide frequency range- 0.5MHz to 85.0MHz * User specified tolerance available * Will withstand vapor phase temperatures of 253C for 4 minutes maximum * Space-saving alternative to discrete component oscillators * High shock resistance, to 3000g * Metal lid electrically connected to ground to reduce EMI Electrical Connection Pin 1 2 3 4 Connection Enable Input Grd & Case Output VCC * Low Jitter * High Q Crystal actively tuned oscillator circuit * Power supply decoupling internal * No internal PLL avoids cascading PLL problems * Low power consumption * Gold plated leads * RoHS Compliant, Lead Free Construction 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 SJ-1520 TTL Continued Data Sheet 0106E Rev. D Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Tpz Jitter, RMS(2) Frequency Stability (1) Symbol --------VOL VOH tr,tf --------dF/F Conditions ----@ VCC/2 @ 16mA @ 0.4mA @ 0.4 to 2.4V <40MHz 40MHz or greater ----<40MHz OT & >40MHz <40MHz Fund Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration Min 0.5MHz 40/60% ----2.4V ---------------------100ppm Typical ----------------------------------------Max 85.0MHz 60/40% 0.4V ----8 ns 5 ns 25 ns 5 psec 8 psec +100ppm General Characteristics Parameter Supply Voltage Supply Current Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load Start-up time Symbol VCC ICC IO TA TS PD TL ---tS Conditions ----No Load ----------------Soldering, 10 sec. ----<20MHz 20MHz or greater Min 4.75V 0.0 mA 0.0 mA 0C -55C --------------------Typical 5.0V ------------------------------------Max 5.25V 50 mA 16.0 mA 70C 125C 263 mW 300C 10TTL gate 2 ms 10 ms Environmental and Mechanical Characteristics Mechanical Shock Per MIL-STD-202, Method 213, Condition E Thermal Shock Per MIL-STD-833, Method 1011, Condition A Vibration 0.060" double amplitude 10 Hz to 55 Hz, 35g's 55Hz to 2000 Hz Soldering Condition 300C for 10 seconds Hermetic Seal Leak rate less than 1 x 10 -8 atm.cc/sec of helium Footnotes: 1) Standard frequency stability (20,25,50ppm & others available) 2) Jitter performance is frequency dependent. Please contact factory for full characterization. RMS jitter bandwidth of 12kHz to 20MHz. Test Load: Creating a Part Number SJ - X152X - FREQ Package Code SJ 4 J Lead SMD 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 Input Voltage Code Specification A 3.3V 5V 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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