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SK-2900

ETC
Part Number SK-2900
Manufacturer ETC
Description CRYSTAL CLOCK OSCILLATORS
Published Apr 8, 2005
Detailed Description CRYSTAL CLOCK OSCILLATORS Differential Positive ECL (DPECL) Data Sheet 0012F Rev. C SK-2900 Series Description The SK...
Datasheet PDF File SK-2900 PDF File

SK-2900
SK-2900

Overview
CRYSTAL CLOCK OSCILLATORS Differential Positive ECL (DPECL) Data Sheet 0012F Rev.
C SK-2900 Series Description The SK-2900 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–250.
0MHz to 500.
0MHz • 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 • 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 Electrical Connection Pin 1 2 6 7 8 9 13 14 Connection VCC VEE Case VEE Case Output /Output VEE Case VEE Case Enable/Disable 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 SK-2900 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 --------250.
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, vibration Data Sheet 0012F Rev.
C Typical ----------------350 psec ----------------- Max 500.
0MHz 55/45% VCC-1.
60V VCC-0.
74V 600 psec 5 psec 1.
0V VCC +100ppm General Characteristics Parameter Supply Vo...


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