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SC-A1479

ETC
Part Number SC-A1479
Manufacturer ETC
Description CRYSTAL CLOCK OSCILLATORS
Published Apr 8, 2005
Detailed Description CRYSTAL CLOCK OSCILLATORS LVCMOS Data Sheet 0149A Rev. B SC-A1470 Series PRELIMINARY Description The SC-A1470 Series o...
Datasheet PDF File SC-A1479 PDF File

SC-A1479
SC-A1479


Overview
CRYSTAL CLOCK OSCILLATORS LVCMOS Data Sheet 0149A Rev.
B SC-A1470 Series PRELIMINARY Description The SC-A1470 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems.
Supplying Pin 1 of the SC-A1470 units with a logic “1" or open enables its Pin 3 output.
In the disable mode, Pin 3 presents a high impedance to the load.
Features • Wide freqency range: 4.
0MHz to 20.
0MHz • User specified tolerance ±100ppm • Will withstand vapor phase temperatures of 253°C for 4 minutes maximum • Space-saving alternative to discrete component oscillators • High shock resistance, to 1000g • Low Jitter - Wavecrest jitter characterization available Electrical Connection Pin 1 2 3 4 Connection Enable/Disable Ground Output VDD • High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions • Low power • No internal PLL avoids cascading PLL problems • Power Supply Decoupling Internal • Metal lid electrically connected to ground to reduce EMI • Gold plated pads 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 SC-A1470 Series LVCMOS Continued Data Sheet 0149A Rev.
B Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Jitter, RMS(2) Tpz Enable Voltage Disable Voltage Frequency Stability(1) Symbol Conditions ------------@ VDD/2 VOL @ 600µA @ 600µA VOH tr,tf 10-90%VO --------------------------------dF/F Overall conditions including: voltage, calibration, temp.
, 10 year aging, shock, vibration Min 4.
0MHz 45/55% ----VDD-0.
2V ------------2.
0V -----100ppm Typical ----------------------------------------Max 20.
0MHz 55/45% 0.
2V ----15.
0 ns 3 psec 25 ns ----0.
8V +100ppm General Characteristics Parameter Supply Voltage Supply Current Output current Operating temperature Storage temperature Power Dissipation ...


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