Care to take while doing a chip design containing both analog and digital macros?

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biju4u90

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When we are using both analog and digital macros in our chip, what are the things we should take care of other than giving separate power and ground connections?
 

One thing I can think of is provide proper level shifting for signals crossing over from digital to analog and vice versa, in case both are working at different voltage levels. It could be possible that your digital logic works at 1.6V and analog at 3.2V. This is in fact true for power domain crossings inside the digital logic also.
 

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