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| CRYSTAL CLOCK OSCILLATORS LVDS Data Sheet 0439D Rev. C SK-B2D00 Series Description The SK-B2D00 Series of quartz crystal oscillators provide LVDS compatible signals. This device is to operate using positive voltage and uses multiple ground pins for improved signal integrity. Features * Wide frequency range - 80.0MHz to 540.0MHz * User specified tolerance available * Case at electrical ground * Will withstand vapor phase temperatures of 253C for 4 minutes maximum * All metal, resistance weld, hermetically sealed package * High shock resistance, to 1000g * Enable/Disable * 2.5 volt operation Electrical Connection Pin 1 2 6 7 8 9 13 14 Connection VCC VEE Case VEE Case Output /Output VEE Case VEE Case Enable/Disable * LVDS output on pin 7, complement on Pin 8 * Low Jitter - Wavecrest jitter characterization available * High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions * 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 All other pins are No Connect 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 SK-B2D00 Series LVDS Continued Data Sheet 0439D Rev. C Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle(2) Logic 0 (2) Logic 1(2) Differential Voltage(2) Disable Voltage Enable Voltage(5) Rise & Fall Time (2) Tpd(4) Jitter, RMS(3) Frequency Stability(1) Symbol Conditions ------------@ VO/2 VOL ----VOH ----VOD --------with VEE=0V ---with VEE=0V tr,tf 20-80%VO ----------------dF/F Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration Min 80.0MHz 45/55% 0.80V 1.25V 250 mV ----2.0V -----0.5 ns -----100ppm Typical ----------------------------0.8 ns ------------Max 540.0MHz 55/45% 1.10V 1.55V 450 mV 0.8V ----1.0 ns +0.5 ns 3 psec +100ppm General Characteristics Parameter Supply Voltage Supply Current Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load Start-up time Symbol Conditions ----VCC ICC ----Continuous Output Current IO -----TA TS ----PD ----Soldering, 10 sec. TL 100 ohms across differential outputs tS ----Min 2.375V 0.0 mA 0.0 mA 0C -55C ------------Typical 2.5V ------------------------2 ms Max 2.625V 80 mA 50.0 mA 55C 125C 210 mW 300C 10 ms 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 55Hz 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 (20,25,50ppm & others available) 2) With Load of 100 ohms across differential outputs. 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 7 and the rising edge of pin 8. 5) Open to enable also enables the output. Creating a Part Number SK - B29DX - FREQ Package Code HK Leaded 8 pin (14 pin) SK 8 pin (14 pin) SMD Gull Wing Input Voltage Code Specification A 3.3V B 2.5V 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 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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