SC-B1420 NEL Frequency Controls Inc., SC-B1420 Datasheet
SC-B1420
Manufacturer Part Number
SC-B1420
Description
Crystal Clock Oscillators
Manufacturer
NEL Frequency Controls Inc.
Datasheet
1.SC-B1420.pdf
(2 pages)
Description
The SC-B1420 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible
signals for bus connected systems. Supplying Pin 1 of the SC-B1420 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–1.0MHz to 80.0MHz
• User specified tolerance available
• Space-saving alternative to discrete component
• 2.5 Volt operation
• High shock resistance, to 1000g
Electrical Connection
Pin
1
2
3
4
oscillators
Ground
Output
V
Enable/Disable
Connection
DD
CRYSTAL CLOCK OSCILLATORS
LVCMOS
SC-B1420 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
• Low Jitter - Wavecrest jitter characterization
• No internal PLL avoids cascading PLL problems
• Metal lid electrically connected to ground to
• Gold plated pads
• RoHS Compliant, Lead Free Construction
reduce EMI
available
crystal oscillator start-up conditions
Email:
Data Sheet K2344
nelsales@nelfc.com
Rev. B
www.nelfc.com
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SC-B1420 Summary of contents
Page 1
... Description The SC-B1420 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems. Supplying Pin 1 of the SC-B1420 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 Continued SC-B1420 Series 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 £ ...