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| Model XO-543 Vishay Dale Clock Oscillators 3.3 Volt,1.0MHz to 70.0MHz FEATURES * HCMOS/TTL compatible. * 3.3VDC crystal oscillator. * Industrial temperature optional. ELECTRICAL SPECIFICATIONS Operating Temperature Range: 0C to + 70C. (- 40C to + 85C optional.) Frequency Stability: .01% Standard (.0025% and .005% optional). Input Voltage: + 3.3VDC 0.3V. Enable Input Current: 2.2V minimum. Disable Input Voltage: 0.8V maximum. Output Load: 15pF or 2 TTL loads from 1.0 to 24.0MHz, 15pF load for 24.1 to 70.0MHz. MECHANICAL SPECIFICATIONS Marking Ink: Epoxy, solvent resistant. Hermetically Sealed Package: Leak rate less than 2 x 10-8 atmosphere cc/sec. of helium. Terminal Solderability: A minimum of 95% coverage after solder dip. ENVIRONMENTAL SPECIFICATIONS Temperature Cycle: - 55C to + 85C, 3 cycles. Shock: 1000g, 0.35 milliseconds, 1/2 sine wave, 3 shocks each plane. Vibration: .06 D.A., 10 - 55Hz, 20g, 55 - 2000Hz. Humidity: 85% relative humidity at + 85C, 240 hours. STANDARD ELECTRICAL SPECIFICATIONS FREQUENCY RANGE (MHz) 1.0 to 23.999 24.0 to 49.999 50.0 to 70.0 INPUT CURRENT (mA) 10 20 30 WAVEFORM SYMMETRY 1.65V OR 50%Vdd 40/60 40/60 40/60 RISE AND FALL TIME (nS) (Max.) 10.0 10.0 5.0 "ZERO" LEVEL 10%Vdd (Typ. Max.) 0.1/0.4 0.1/0.4 0.1/0.4 "ONE" LEVEL 90%Vdd (Typ. Min.) 3.3/2.7 3.3/2.7 3.3/2.7 DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] PIN 1 7 0.30 [7.62] 14 8 0.51 [12.9] Max. 0.018 [0.45] 0.032 [0.8] 0.21 [5.3] Max. 0.27 [6.8] Max. CONNECTION N.C. or E/D Ground Output + 3.3VDC 1 7 8 14 ENABLE/DISABLE FUNCTION *Pin 1 E/D Open High (1) Low (0) Pin 8 Output Active Active High Z 0.60 [15.24] 0.804 [20.4] Max. *An internal pull-up resistor is connected to Pin 1 allowing active output if Pin 1 is left open. HOW TO ORDER XO-543 MODEL B FREQUENCY STABILITY AA = .0025% (25PPM) A = .005% (50PPM) B = .01% (100PPM) R OTR Blank = 0C to + 70C R = - 40C to + 85C E ENABLE/DISABLE Blank = Pin 1 open E = Disable to Tristate 40M FREQUENCY/MHz Document Number 35038 Revision 18-Jan-00 www.vishay.com 23 |
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