Multibit flops as the name suggests have multiple D and Q pins. Generally ... the combined area of the two single bit flops of the same drive strength. A two bit flip-flop can be designed to have a ...
A scan flip-flop internally has a mux at its input. SE (enable signal for mux) determines whether D (functional input) or SI (test input) will reach to the output of the flip-flop when active clock ...