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Our wide range of oscillators includes Standard, MEMS, SAW, and many other types
In simplified terms, a crystal (sometimes called a resonator) is a moving/resonating passive component that connects to an external oscillator circuit in the chip that it is timing, like an SoC, microcontroller or processor.
By contrast an oscillator is an integrated timing solution that contains both a resonator and an oscillator IC, in one active device.
The oscillator clock provides the heartbeat on which all other signals in the system are based, so it is important to understand and consider the factors and specifications that most affect these components’ performance. Accordingly, SiTime (whose products are available through our website) has defined eight top parameters:
Parameters for choosing crystals are similar to, but not identical with those for complete oscillator components. IQD (whose frequency products are available through Farnell) has identified that these parameters include frequency, frequency tolerance, frequency stability, package, operating temperature range, and load capacitance. ESR, ageing, and drive level (power dissipated by the crystal) are also important.
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