From $0.55 • 1 k+ units available from DigiKey
26 MHz TCXO Clipped Sine Wave Oscillator 2.8V 4-SMD, No Lead
From $0.23 • 1 k+ units available from DigiKey
12 MHz ±30ppm Crystal 18pF 80 Ohms 4-SMD, No Lead
24.576 MHz XO (Standard) Oscillator 3.3V Enable/Disable 4-SMD, No Lead