HS-1520 NEL, HS-1520 Datasheet
HS-1520
Manufacturer Part Number
HS-1520
Description
TTL
Manufacturer
NEL
Datasheet
1.HS-1520.pdf
(2 pages)
www.DataSheet4U.com
Description
The HS-1520 Series of quartz crystal oscillators provide enable/disable 3-state TTL compatible signals for
bus connected systems. Supplying Pin 1 of the HS-1520 units with a logic “1" enables its output on Pin 8.
In the disabled mode, Pin 8 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 85.0MHz
• User specified tolerance available
• Will withstand vapor phase temperatures of 253°C
• Space-saving alternative to discrete component
• High shock resistance, to 3000g
• All metal, resistance weld, hermetically sealed
Electrical Connection
Pin
Dimensions are in inches and (MM)
14
1
7
8
oscillators
for 4 minutes maximum
package
Enable Input
Grd & Case
Output
V
Connection
CC
CRYSTAL CLOCK OSCILLATORS
TTL
HS-1520 Series
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
• 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
• RoHS Compliant, Lead Free Construction
(unless solder dipped leads are supplied)
upon request
Email:
Data Sheet 9225A
nelsales@nelfc.com
Rev. U
www.nelfc.com
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HS-1520 Summary of contents
Page 1
... The HS-1520 Series of quartz crystal oscillators provide enable/disable 3-state TTL compatible signals for bus connected systems. Supplying Pin 1 of the HS-1520 units with a logic “1" enables its output on Pin 8. In the disabled mode, Pin 8 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 ...
Page 2
... CRYSTAL CLOCK OSCILLATORS Continued HS-1520 TTL Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol Frequency ----- Duty Cycle ----- Logic Logic Rise & Fall Time tr,tf Tpz ----- (2) Jitter, RMS ----- (1) Frequency Stability dF/F General Characteristics Parameter Symbol Supply Voltage V CC Supply Current I CC ...