Si512 Dual Frequency XO, OE Pi

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Lead Time 35 weeks
Unit Price:$5.31
Minumum Qty: 1000
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Product Information

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The Si512/513 dual frequency XO utilizes Silicon Laboratories' advanced PLL technology to provide any frequency from 100 kHz to 250 MHz. Unlike a traditional XO where a different crystal is required for each output frequency, the Si512/513 uses one fixed crystal and Silicon Labs’ proprietary anyfrequency synthesizer to generate any frequency across this range. This ICbased approach allows the crystal resonator to provide enhanced reliability, improved mechanical robustness, and excellent stability. In addition, this solution provides superior supply noise rejection, simplifying low jitter clock generation in noisy environments. The Si512/513 is factory-configurable for a wide variety of user specifications, including frequency, supply voltage, output format, output enable polarity, and stability. Specific configurations are factory-programmed at time of shipment, eliminating long lead times and non-recurring engineering charges associated with custom frequency oscillators.

Symmetry Electronics is an authorized Silicon Labs distributor.


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Supports any frequency from 100 kHz to 250 MHz
Two selectable output frequencies
Low-jitter operation
2 to 4 week lead times
Total stability includes 10-year aging
Comprehensive production test coverage includes crystal ESR and DLD
On-chip LDO regulator for power supply noise filtering
3.3, 2.5, or 1.8 V operation
Differential (LVPECL, LVDS, HCSL) or CMOS output options
Optional integrated 1:2 CMOS fanout buffer
Runt suppression on OE and power on
Industry standard 5x7 and 3.2x5 mm packages
Pb-free, RoHS compliant
40 to 85 oC operation

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Si512 Dual Frequency XO, OE Pi
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Si512 Dual Frequency XO, OE Pi