Microchip Technology
XTAL OSC XO 622.0800MHZ LVPECL. Standard Clock Oscillators Ultra-Low Jitter,622.08MHz,LVPECL,<200fs Phase Jitter
IDT, Integrated Device Technology Inc
XTAL OSC XO 250.0000MHZ LVPECL. Standard Clock Oscillators 250 MHz, LVPECL 2.5V, 20 ppm
IDT, Integrated Device Technology Inc
XTAL OSC XO 125.0000MHZ LVPECL. Standard Clock Oscillators 125 MHz, LVPECL 2.5V, 25 ppm