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LFXO Datasheet(PDF) 2 Page - STATEK CORPORATION |
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LFXO Datasheet(HTML) 2 Page - STATEK CORPORATION |
2 / 2 page SPECIFICATIONS Specifications are typical at 25OC unless otherwise noted. Specifications are subject to change without notice. Tighter specifications available (contact factory). Supply Voltage1 3.3 V ±10% (2.5 V also available) Calibration Tolerance2 ±10 ppm and up Frequency Stability ±10 to ±50 ppm for Commercial Over Temperature3 ±20 to ±100 ppm for Industrial ±30 to ±100 ppm for Military Output Load (CMOS) 15 pF Aging, first year 3 ppm MAX Shock4 Std: 5,000 g, 0.3 ms, ½ sine HG: 20,000 g, 0.3 ms, ½ sine Vibration5 20 g, 10-2,000 Hz swept sine Operating Temp. Range -10OC to 70OC (Commercial) -40OC to 85OC (Industrial) -55OC to 125OC (Military) SYMBOL PARAMETER MIN TYP MAX UNIT VOH Output Voltage High 0.9VDD V VOL Output Voltage Low 0.1VDD V tstartup Start-up Time 0.8 ms tr Rise Time (10%-90%) 85 1000 ns tf Fall Time (10%-90%) 45 1000 ns Duty Cycle 45 50 55 % I DD Supply Current 500 µA 1. Other supply voltages available. Contact factory for ordering information. 2. Other tolerances available. 3. Does not include calibration tolerance. Tighter tolerances available. 4. Higher shock available. Contact factory. 5. Per MIL-STD-202G, Method 204D, Condition D. Random vibration testing also available. 6. Measurements done at V DD = 3.3V Note: All parameters are measured at ambient temperature with a 10 M!, 15 pF load. ABSOLUTE MAXIMUM RATINGS Supply Voltage VDD -0.3 V to 5.0 V Storage Temperature -55OC to 125OC Maximum Process Temperature 260OC for 20 sec. ENABLE/DISABLE OPTIONS (E/N) For the 32.768 kHz fast start-up LFXO, Statek offers two enable/disable options: E and N. The E-version has a Tri-State output and stops oscillating internally when the output is put into the high Z state. The N-version does not have PIN 1 connected internally and so has no enable/disable capability. The following table summarizes the Enable/Disable option E. * When PIN 1 is allowed to float, it is held high by an internal pull-up resistor. ENABLE/DISABLE OPTION E SUMMARY Enable (Pin 1 High*) Disable (Pin 1 Low) Output Frequency Output High Z State Oscillator Oscillates Stops Current 500 µA 3.2 µA PACKAGING OPTIONS LFXO - Tray Pack - 16 mm tape, 7˝ or 13˝ reels Per EIA 481 (see Tape and Reel datasheet #10109) HOW TO ORDER 32.768 kHz LFXO OSCILLATORS/ FAST START-UP “S” if special or custom design. Blank if Std. Frequency K = kHz Enable/Disable Option E or N Termination Blank = SM1 = Gold Plated (Pb Free) SM3 = Solder Dipped SM5 = Solder Dipped (Pb Free) HG = High Shock otherwise leave blank. / / 50 / I Temperature Range C = -10OC to +70OC I = -40OC to +85OC M = -55OC to +125OC S = Customer Specified Total Frequency Tolerance (in ppm) Temperature Range C =10OC to +70OC I = -40OC to +85OC M = -55OC to +125OC S = Customer Specified Frequency Stability over Temp.Range (in ppm) Calibration Tolerance @ 250C (in ppm) OR STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com 10191 Rev A ELECTRICAL CHARACTERISTICS6 AT = For Fast Start-up/ High Precision 2 = 2.5V 4 = 3.3V LFXO S / E SM3 32.768K 30 30 I / / , 4 AT HG |
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