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| SJ-A2920 Series Differential Positive ECL (DPECL) Fast Edge SJ-A2920 Series Rev K Frequency Range: 50.0 MHz to 200.0 MHz Description The SJ-A2920 Series of quartz crystal oscillators provide DPECL Fast Edge compatible signals. Systems designers may now specify space-saving, cost-effective packaged PECL oscillators to meet their timing requirements. Features Size, mm 9 x 14 I/O 4 J Lead Supply Voltage 3.3V / 5V * High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions * Low jitter - Wavecrest jitter characterization available * Wide frequency range--50.0 MHz to 200.0 MHz * 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 * 3.3 Volt operation * Metal lid electrically connected to ground to reduce EMI * Fast rise and fall times, <600 ps * Overtone technology * High Q crystal actively tuned oscillator circuit * Power supply decoupling internal * No internal PLL avoids cascading PLL problems * High frequencies due to proprietary design * Gold plated leads--Solder dipped leads available upon request * RoHS Compliant, Lead Free Construction (unless solder dipped leads are supplied) Creating a Part Number SJ - A292X - FREQ Package Code SJ 4 J Lead 9x14 mm SMD Input Voltage Code Specification A 3.3 V 5V Tolerance/Performance 0 100 ppm 0-70C 1 50 ppm 0-70C 7 25 ppm 0-70C 9 Customer Specific A 20 ppm 0-70C B 50 ppm -40 to +85C C 100 ppm -40 to +85C Drawing Specifications Electrical Connection Pin 1 For the most up to date specifications on each NEL product, log on to our website-- www.nelfc.com Dimensions shown in inches and millimeters. 2 3 4 Connection Output Complement VEE /Ground Output VCC 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 Differential Positive ECL (DPECL) Fast Edge SJ-A2920 Series Rev K Frequency Range: 50.0 MHz to 200.0 MHz Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol -- -- VOL VOH tr, tf -- -- dF/F Frequency Duty Cycle Logic 0(2) Logic 1(2) Rise & Fall Time Tpd(4) Jitter, RMS(3) Frequency Stability(1) -- 50.0 MHz @VCC -1.29 V 45/55% -- 1.35 V -- 2.28 V -- 20-80% VO with 50 ohm load to VCC -2 V -- -200 psec -- -- Overall conditions including: -100 ppm voltage, calibration, temp., 10 yr aging, shock, vibration Conditions Min Typical -- -- -- -- -- -- -- -- 200.0 MHz 55/45% 1.70 V 2.56 V 600 psec +200 psec 3 psec +100 ppm Max Supply Voltage Supply Current Output Current Operating Temperature Storage Temperature Power Dissipation Lead Temperature Load Start-up Time General Characteristics Parameter Symbol VCC -- ICC 50 ohm termination to 2.00 V below VCC Low level Output Current IO TA -- TS -- -- PD TL Soldering, 10 sec. 50 ohm to VCC -2 V or Thevenin Equivalent, Bias Required -- tS Conditions 3.15 V 0.0 mA 0.0 mA 0C -55C -- -- -- Min Typical 3.3 V -- -- -- -- -- -- 2 ms 3.45 V 80 mA 50.0 mA 70C 125C 276 mW 300C 10 ms Max Environmental and Mechanical Characteristics Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal 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 55 Hz 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, 50 ppm & others available). 2) VOL, VOH, referenced to ground (VEE) with VCC = 3.3 V. 3) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization. RMS jitter bandwidth of 12kHz to 20MHz. 4) Tpd is phase shift between the falling edge of pin 3 at 2.0 V and the rising edge of pin 1 at 2.01 V. Test Circuit Test Circuit uses a split supply of +2V and -1.3V for ease of testing. |
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