HA1520 NEL Frequency Controls Inc., HA1520 Datasheet

HA1520

Manufacturer Part Number

HA1520

Description

Thru-hole Leaded 4 Pin (8 PIN) Frequency Range (Mhz) : 0.5 - 85.0 Output/input : Enable/Disable, 3 State, Compatible, 5V

Manufacturer

NEL Frequency Controls Inc.

Datasheet

1.HA1520.pdf (2 pages)

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Description

The HA-1520 Series of quartz crystal oscillators provide enable/disable 3-state TTL compatible signals for

bus connected systems. Supplying Pin 1 of the HA-1520 units with a logic “1" enables its output on Pin 5.

In the disabled mode, Pin 5 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

Dimensions are in inches and (MM)

oscillators

for 4 minutes maximum

package

Enable Input

Grd & Case

Output

Connection

CRYSTAL CLOCK OSCILLATORS

TTL

HA-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

upon request

Email:

Data Sheet 0016G

nelsales@nelfc.com

Rev. D

www.nelfc.com

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