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SC-A1440-FREQ Datasheet(PDF) 1 Page - Nel Frequency Controls,inc |
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SC-A1440-FREQ Datasheet(HTML) 1 Page - Nel Frequency Controls,inc |
1 / 2 page Description The SC-C1440 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems. Supplying Pin 1 of the SC-C1440 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 • High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions • Low jitter - Wavecrest jitter characterization avail- able • Wide frequency range—70.0 MHz to 165.0 MHz • User specified tolerance available • Will withstand vapor phase temperatures of 253°C for 4 minutes maximum • Space-saving alternative to discrete component oscillators • 1.8 Volt operation • High shock resistance, to 1000g • 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 SC-C1440 Series Size, mm 5 x 7 I/O 4 pad Supply Voltage 3.3V / 2.5V / 1.8V / 5V LVCMOS SC-C1440 Series Rev G Frequency Range: 70.0 MHz to 165.0 MHz Creating a Part Number SC - C144X - FREQ Package Code SC 4 pad 5x7 mm SMD Input Voltage Code Specification A 3.3 V B 2.5 V C 1.8 V 5 V Tolerance/Performance 0 ±100 ppm 0-70°C 1 ±50 ppm 0-70°C 7 ±25 ppm 0-70°C 9 Customer Specific A ±20 ppm 0-70°C B ±50 ppm -40 to +85°C C ±100 ppm -40 to +85°C Drawing Specifications Dimensions shown in inches and millimeters. All tolerances are ±0.005 inches (±0.127mm) unless otherwise specified. Electrical Connection Pin Connection 1 Enable/Disable 2 Ground 3 Output 4 VDD For the most up to date speci- fications on each NEL prod- uct, log on to our website— www.nelfc.com 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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