Why do we prefer static CMOS over dynamic CMOS logic?

Static CMOS is easier to design and verify. With dynamic CMOS, you need clocks for precharge and evaluate phases, which makes the design more complex. If you miss timing or have glitches, it may fail. Static CMOS, on the other hand, is straightforward and robust.

Prefer static CMOS because it is more reliable. In dynamic CMOS, the output depends on stored charge, which can leak over time and cause errors. But in static CMOS, the logic level is always maintained as long as power is supplied, so you don’t have to worry about leakage or refresh.

I agree with both, but I also think power plays a role. In dynamic CMOS, the precharge and switching cause extra power consumption, even when no real logic change happens. Static CMOS avoids this by switching only when input changes. That’s why, in most cases, you and I will see static CMOS used in practical designs.