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Qualification efforts can be reduced with MEMS oscillators. This is important since component qualification can consume significant time and resources. SiTime products are based on a programmable platform which allows each device within a product family to generate a wide range of frequencies, supply voltages and stabilities. For example, if resources have been invested in qualifying a SiTime device at a particular output frequency and a new board design requires a different frequency, the existing qualification data may be extended to this new frequency within the base part family. In contrast, each crystal frequency requires a different quartz blank. If a design requires frequencies above 60MHz, a different technology than fundamental mode quartz is often used such as 3rd overtone quartz. Use of 3rd overtone quartz can introduce additional challenges to ensure reliable start up (i.e. higher motional impedance and different oscillator circuit than fundamental mode quartz) and will certainly require qualification.
