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| CRYSTAL CLOCK OSCILLATORS LVCMOS Data Sheet 0514E Rev. A SH-B1480 Series Description The SH-B1480 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems. Supplying Pin 1 of the SH-B1480 units with a logic "1" or open enables its Pin 4 output. In the disable mode, Pin 4 presents a high impedance to the load. Features * Wide frequency range-150.0MHz to 280.0MHz (Contact factory for other frequencies) * User specified tolerance available * Will withstand SMD reflow temperatures of 253C for 4 minutes maximum * Space-saving alternative to discrete component oscillators * 2.5 Volt operation * High shock resistance, to 1000g * Low Jitter - Wavecrest jitter characterization available Electrical Connection Pin 1 2 3 4 5 6 Connection Enable/Disable NC Ground Output NC VDD * 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 * Metal lid electrically connected to ground to reduce EMI * Gold plated pads * RoHS Compliant, 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.com www.nelfc.com CRYSTAL CLOCK OSCILLATORS SH-B1480 Series LVCMOS Continued Data Sheet 0514E Rev. A Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Jitter, RMS(2) Tpz Enable Voltage Disable Voltage Frequency Stability (1) Symbol Conditions ------------@ VDD/2 VOL @ 8.5mA @ 8.5mA VOH tr,tf 10-90%VO ----Overtone ------------------------dF/F Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration Min 150.0MHz 45/55% ----VDD-0.4V ------------1.6V -----100ppm Typical ----------------1.2 ns --------------------Max 280.0MHz 55/45% 0.4V ----1.6 ns 3 psec 100 ns ----0.4V +100ppm General Characteristics Parameter Supply Voltage (3) Supply Current Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load Start-up Time Symbol VDD IDD IO TA TS PD TL ----ts Conditions 2.5V10% No Load Low level Output Current -------------Soldering, 10 sec. --------Min 2.25V 0.0 mA 0.0 mA 0C -55C ----------------Typical 2.5V 32 mA ----------------------------Max 2.75V 40 mA 25.0 mA 70C 125C 110 mW 300C 15pf 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) 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: Creating a Part Number SH - B148X - FREQ Package Code SH 6 pad 5x7mm SMD Input Voltage Code Specification A 3.3V B 2. 5V 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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