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CRYSTAL CLOCK OSCILLATORS
CMOS
Data Sheet 9420C Rev. M
HS-1420 Series
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 253C for 4 minutes maximum * Space-saving alternative to discrete component oscillators * High shock resistance, to 3000g * All metal, resistance weld, hermetically sealed package Electrical Connection Pin 1 7 8 14 Connection Enable Input Grd & Case Output VDD * 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
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
CRYSTAL CLOCK OSCILLATORS
HS-1420 Series CMOS Continued
Data Sheet 9420C Rev. M
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Tpz Enable/Disable Logic High Voltage Enable/Disable Logic Low Voltage Jitter, RMS(2) Frequency Stability (1) Symbol --------VOL VOH tr,tf ----------------dF/F Conditions ----@ VDD /2 @ 600A @ 600A 10-90% <40MHz 40MHz or greater ------------<40MHz Fund <40MHz OT & >40MHz Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration Min 0.5MHz 45/55% ----VDD-0.2V ------------3.5V -------------100ppm Typical ------------------------------------------------Max 85.0MHz 55/45% 0.2V ----8 ns 6 ns 25 ns ----1.5V 8 psec 5 psec +100ppm
General Characteristics
Parameter Supply Voltage Supply Current Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load Start-up time Symbol VDD IDD IO TA TS PD TL ---tS Conditions ----No Load ----------------Soldering, 10 sec. --------Min 4.75V 0.0 mA 0.0 mA 0C -55C ----------------Typical 5.0V ----------------------------2 ms Max 5.25V 50mA 16.0 mA 70C 125C 263 mW 300C 15pf 10 ms
Environmental and Mechanical Characteristics
Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal Per MIL-STD-202, Method 213, Condition E Per MIL-STD-833, Method 1011, Condition A 0.060" double amplitude 10 Hz to 55 Hz, 35g's 55Hz to 2000 Hz 300C for 10 seconds Leak rate less than 1 x 10 -8 atm.cc/sec of helium
Footnotes: 1) Standard frequency stability (20,25,50ppm & others available) 2) Jitter performance is frequency dependent. Please contact factory for full characterization.
Test Load:
Creating a Part Number HS - A142X - FREQ Package Code HS Leaded 4 pin (14 pin) SM Leaded 4 pin (14 pin) SMD Gull Wing Input Voltage Code Specification A 3.3V 5V Tolerance/Performance 0 100ppm 0-70C 1 50ppm 0-70C 7 25ppm 0-70C 9 Customer Specific A 20ppm 0-70C B 50ppm -40 to +85C C 100ppm -40 to +85C
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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