SK-A29C0

CRYSTAL CLOCK OSCILLATORS Differential Positive ECL (DPECL) Data Sheet 0438A Rev. - SK-A29C0 Series Description The SK-A29C0 Series of quartz crystal oscillators provide DPECL Fast Edge compatible 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 - 60.0MHz to 350.0MHz • 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 • High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions • High Q Crystal actively tuned oscillator circuit • Power supply decoupling internal • High frequencies due to proprietary design • RoHS compliant, Lead-free construction 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 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-A29C0 Series Continued Differential Positive ECL (DPECL) Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle Logic 0 (1) Logic 1(1) Rise & Fall Time Jitter, Cycle to Cycle Enable Voltage(2) Disable Voltage Frequency Stability(3) Symbol Conditions Min --------60.0MHz ----@ 50% points 48/52% VOL ----VCC-1.810V VOH ----VCC-1.025V tr,tf 20-80%VO with 50 ohm load to VCC-2V -------------------with VEE=0V 2.0V ----with VEE=0V ----dF/F Overall conditions including: -100ppm voltage, calibration, temp., 10 yr aging, shock, vibration Data Sheet 0438A Rev. - Typical ----------------350 psec ----------------- Max 350.0MHz 52/48% VCC-1.620V VCC-0.880V 600 psec 50 psec ----0.8V +100ppm General Characteristics Parameter Supply Voltage Supply Current Symbol VCC ICC Conditions ----50 ohm termination To 2.00V below VCC Low level Output Current ---------Min 3.135V 0.0 mA Typical 3.3V --------------------2 ms Max 3.465V 50 mA ±50.0 mA 55°C 125°C 300°C 10 ms Output current IO 0.0 mA 0°C Operating temperature TA Storage temperature TS -55°C Input: Logic High (ECL) - Disables VEE or Open - Enables Lead temperature TL Soldering, 10 sec. ----Load 50 Ohm to VCC-2V or Thevenin Equivalent, Bias Required --------Start-up time tS 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 300°C for 10 seconds Leak rate less than 1 x 10 -8 atm.cc/sec of helium Footnotes: 1) VOL, VOH, referenced to ground 2) Open to Enable pin also enables the output. 3) Standard frequency stability (other available) Creating a Part Number SK - A29CX - 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 0-70°C 1 ±50ppm 0-70°C 7 ±25ppm 0-70°C 9 Customer Specific A ±20ppm 0-70°C B ±50ppm -40 to +85°C C ±100ppm -40 to +85°C 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