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SN-A2970

Part Number	SN-A2970
Manufacturer	NEL
Description	CRYSTAL CLOCK OSCILLATORS
Published	Nov 17, 2006
Detailed Description	www.DataSheet4U.com CRYSTAL CLOCK OSCILLATORS Differential Positive ECL (DPECL) Data Sheet 0325B Rev. B SN-A2970 Seri...
Datasheet	SN-A2970 PDF File

Overview

www.
DataSheet4U.
com CRYSTAL CLOCK OSCILLATORS Differential Positive ECL (DPECL) Data Sheet 0325B Rev.
B SN-A2970 Series PRELIMINARY Description The SN-A2970 Series of quartz crystal oscillators provide DPECL Fast Edge compatible signals.
This device is to operate using positive voltage and uses multiple ground pins for improved signal integrity.
This device is intended to operate on positive voltage for PECL applications.
Features • Wide frequency range–671.
0MHz to 1.
7GHz • User specified tolerance available • Case at electrical ground • Will withstand vapor phase temperatures of 253°C for 4 minutes maximum • All metal, resistance weld, hermetically sealed package • High shock resistance, to 1500g • Low Jitter - Wavecrest jitter characterization available Electrical Connection Pin 1 2 7 8 9 10 15 16 Connection VEE Ground VCC Output /Output VEE Ground VCC VCC VEE Ground • High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions • Overtone technology • High Q Crystal actively tuned oscillator circuit • Power supply decoupling internal • Dual ground plane for added stability • No internal PLL avoids cascading PLL problems • High frequencies due to proprietary design • RoHS Compliant, Lead Free Construction 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 SN-A2970 Series Continued Differential Positive ECL (DPECL) Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle Logic 0 (2) Logic 1(2) Rise & Fall Time Jitter, RMS(3) Enable Voltage(4) Disable Voltage Frequency Stability (1) Symbol Conditions Min --------671.
0MHz ----@ 50% points 45/55% VOL ----VCC-1.
95V VOH ----VCC-1.
02V tr,tf 20-80%VO with 50 ohm load to VCC-2V -------------------with VEE=0V 0V ----with VEE=0V 3.
0V dF/F Overall conditions including: -100ppm voltage, calibration, temp.
, 10 yr aging, shock, vibrat...

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