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SM-142A View Datasheet(PDF) - NEL Frequency Controls

Part NameDescriptionManufacturer
SM-142A CRYSTAL CLOCK OSCILLATORS NEL
NEL Frequency Controls NEL
SM-142A Datasheet PDF : 2 Pages
1 2
CRYSTAL CLOCK OSCILLATORS
CMOS
HS-1420 Series
Data Sheet 9420C
Rev. M
Description
The HS-1420 Series of quartz crystal oscillators provide enable/disable 3-state CMOS compatible signals
for bus connected systems. Supplying Pin 1 of the HS-1420 units with a logic “1" or open enables its
output. In the disabled mode, output pin presents a high impedance to the load. All units are resistance
welded in an all metal package, offering RFI shielding, and are designed to survive standard wave soldering
operations without damage. Insulated standoffs to enhance board cleaning are standard.
Features
• Wide frequency range– 0.5MHz to 85MHz
• User specified tolerance available
• Will withstand vapor phase temperatures of 253°C
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• High shock resistance, to 3000g
• All metal, resistance weld, hermetically sealed
package
• Low Jitter
• High Q Crystal actively tuned oscillator circuit
• Power supply decoupling internal
• No internal PLL avoids cascading PLL problems
• Low power consumption
• Gold plated leads - Solder dipped leads available
upon request
Electrical Connection
Pin Connection
1 Enable Input
7 Grd & Case
8 Output
14 VDD
Dimensions are in inches and (MM)
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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