https://www.sitime.com/products/mhz-oscillators/differential-oscillators/sit9366
SiT9366: 1 to 220 MHz, Ultra-low Jitter MEMS Differential XO | SiTime
Small 1 MHz to 220 MHz Elite Platform ultra-low-jitter differential MEMS oscillator (XO), ±10, ±20, ±25, ±50 ppm frequency stability, 0.23 ps jitter (typ.)...
ultra low jitter
https://www.sitime.com/products/32-khz-mpower-oscillators/32-khz-oscillators/sit1811
SiT1811: Ultra low power, low-jitter, 32.768 kHz programmable oscillator | SiTime
SiT1811 is ultra low power, low-jitter, 32.768 kHz programmable oscillator in a tiny 1.2 x 1.1 mm package. It also supports 17 other frequencies from 1 Hz to...
low powerultrajitter