Silicon Labs
XTAL OSC XO 125.0000MHZ LVDS SMD. Programmable Oscillators Differential/single-ended; I2C programmable XO; 0.1-250 MHz
IDT, Integrated Device Technology Inc
XTAL OSC XO 48.0000MHZ HCMOS SMD. Standard Clock Oscillators 48 MHz, HCMOS 3.3V, 100 ppm