how to design a multi-phase pll？

Dear :
There are many high speed interfaces use multi-phase pll to
sample date to transfer serial stream.
do you know how to design multi-phase pll?
thanks.

bang ni ding

VCO has multi-phase

Can you describe more detail how to output multi-phase clock from VCO or
could you have any doc ?
thanks

you can tap-off divider chain to get multiphase.
details you have?

dear all:
I need to design a 8 phase clock.
Do anyone can give me any suggestion to start this design?
thanks