SN-A2970 Datasheet | NEL

Description The SN-A2970 Series of quartz crystal oscillators provide DPECL Fast Edge patible signals. This device is to operate using positive voltage and uses multiple ground pins for improved signal integrity. This device is intended to operate on positive voltage for PECL applications. Features - Wide frequency range- 671.0MHz to 1.7GHz - User specified tolerance available - Case at electrical ground - Will withstand vapor phase temperatures of 253°C for 4 minutes maximum - All metal, resistance weld, hermetically sealed package - High shock resistance, to 1500g - Low Jitter - Wavecrest jitter characterization available Electrical Connection Pin 1 2 7 8 9 10 15 16 Connection VEE Ground VCC Output /Output VEE Ground VCC VCC VEE Ground - High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions - Overtone technology - High Q Crystal actively tuned oscillator circuit - Power supply decoupling internal - Dual ground plane for added stability - No internal PLL avoids cascading PLL problems - High frequencies due to proprietary design - Ro HS pliant, 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. .nelfc. CRYSTAL CLOCK OSCILLATORS SN-A2970 Series Continued Differential Positive ECL (DPECL) Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle Logic 0 (2) Logic 1(2) Rise & Fall Time Jitter, RMS(3) Enable Voltage(4) Disable Voltage Frequency Stability (1) Symbol Conditions Min --------671.0MHz ----@ 50% points 45/55% VOL ----VCC-1.95V VOH ----VCC-1.02V tr,tf 20-80%VO with 50 ohm load to VCC-2V -------------------with VEE=0V 0V ----with VEE=0V 3.0V d F/F Overall conditions including: -100ppm voltage, calibration, temp., 10 yr aging, shock, vibration Data Sheet 0325B Rev. B Typical ----------------300 psec 3 psec ------------- Max 1.7GHz 55/45% VCC-1.60V VCC-0.74V 400 psec ----1.0V VCC...