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| SJ-A1440 Series LVCMOS SJ-A1440 Series Rev P Frequency Range: 10.0 MHz to 250.0 MHz Description The SJ-A1440 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems. Supplying Pin 1 of the SJ-A1440 units with a logic "1" or open enables its Pin 3 output. In the disable mode, Pin 3 presents a high impedance to the load. 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--10.0 MHz to 250.0 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 * Metal lid electrically connected to ground to reduce EMI * 3.3 Volt operation * 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 Creating a Part Number SJ - A144X - 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 2 3 4 Connection Enable Input Ground & Case Output VDD 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. 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 LVCMOS SJ-A1440 Series Rev P Frequency Range: 10.0 MHz to 250.0 MHz Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol -- -- VOL VOH tr, tf -- -- -- -- dF/F Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Tpz Jitter, RMS(2) Enable Voltage Disable Voltage Frequency Stability(1) -- @VDD/2 @600 A @600 A 10-90% -- -- -- -- Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration Conditions 10.0 MHz 45/55% -- VDD -0.2 V -- -- -- 2.0V -- -100 ppm Min Typical -- -- -- -- -- -- -- -- -- -- 250.0 MHz 55/45% 0.2 V -- 2 ns 100 ns 3 psec -- 0.8V +100 ppm Max Supply Voltage Supply Current Output Current Operating Temperature Storage Temperature Power Dissipation Lead Temperature Load Start-up Time General Characteristics Parameter (3) Symbol VDD IDD IO TA TS PD TL -- tS -- No Load -- -- -- -- Soldering, 10 sec. -- -- Conditions 2.97 V 0.0 mA 0.0 mA 0C -55C -- -- -- -- Min Typical 3.3 V 40 mA -- -- -- -- -- -- 2 ms 3.63 V 60 mA 25.0 mA 70C 125C 218 mW 300C 15 pf 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) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization. RMS jitter bandwidth of 12kHz to 20MHz. 3) Internal high frequency power source decoupling. Test Load |
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