For just a crystal to work at its specified frequency, the Digital circuit should be accurately that specified by the crystal manufacturer. Note that these points imply a subtlety about crystal oscillators in this frequency range: the crystal does not usually oscillate at precisely either of its resonant frequencies. Predecessor https://thesocialcircles.com/story4672918/the-fact-about-smd-crystal-oscillators-that-no-one-is-suggesting