Need documentation on oscillators

[Altera_Forum]

Hello everybody, 

 Where can I find documentation on how to best create a clock signal for feeding my CPLD ? I am using an EPM 570 T100A5 CPLD, and I need a 50 Mhz clock for my CPLD.  Application notes, or whatever documentation on the best way to do this, ie resonator, quartz oscillator, etc would very helpful.   Thanks !! Eric

[Altera_Forum]

You can refer e.g. to the available evaluation boards. Everyone is using 3.3V crystal osillators. They are available in different case sizes. See a standard type: 

 http://www.abracon.com/oscillators/asv.pdf