SiTIME
MEMS OSC XO 400.0000MHZ LVDS SMD. Standard Clock Oscillators 400MHz 2.5 Volt 10ppm 0 to 70C
Microchip Technology
MEMS OSC XO 56.2500MHZ CMOS SMD. Standard Clock Oscillators -40C - 85C 25 ppm 056.2500MHz
Microchip Technology
MEMS OSC XO 54.0000MHZ CMOS SMD. Standard Clock Oscillators -40C - 85C 25 ppm 054.0000MHz