SC-A1440 NEL Frequency Controls Inc., SC-A1440 Datasheet

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SC-A1440

Manufacturer Part Number
SC-A1440
Description
Crystal Clock Oscillators
Manufacturer
NEL Frequency Controls Inc.
Datasheet
1.SC-A1440.pdf (3 pages)
Description
The SC-A1440 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible
signals for bus connected systems. Supplying Pin 1 of the SC-A1440 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
• Wide frequency range–10.0MHz to 220.0MHz
• User specified tolerance available
• Space-saving alternative to discrete component
• 3.3 Volt operation
• High shock resistance, to 1000g
• Low Jitter - Wavecrest jitter characterization
Electrical Connection
Pin
1
2
3
4
oscillators
available
Ground
Output
V
Enable/Disable
Connection
DD
CRYSTAL CLOCK OSCILLATORS
LVCMOS
SC-A1440 Series
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
• High Reliability - NEL HALT/HASS qualified for
• 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
• Gold plated pads
• RoHS Compliant, Lead Free Construction
crystal oscillator start-up conditions
reduce EMI
Email:
Data Sheet 0007A
nelsales@nelfc.com
Rev. V
www.nelfc.com

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SC-A1440 Summary of contents

Page 1

... Description The SC-A1440 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems. Supplying Pin 1 of the SC-A1440 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. ...

Page 2

... CRYSTAL CLOCK OSCILLATORS SC-A1440 Series Continued LVCMOS Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol Frequency ----- Duty Cycle ----- Logic Logic Rise & Fall Time tr,tf Jitter, Integrated J Integrated from phase noise, 12kHz to 20MHz, RMS Jitter, Wavecrest (2) Characterized ----- Random Period Accum, pk-to-pk £ ...

Page 3

... CRYSTAL CLOCK OSCILLATORS SC-A1440 Series Continued Max Reflow Profile 357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Data Sheet 0007A Rev. V Email: nelsales@nelfc.com www.nelfc.com ...

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