9.9 Another question straight out of the book (these are too easy…). Section 9.6.2.
Basically, a scan design is implemented by turning all D flip-flops into scannable D
flip-flops. This usually involves adding a two input multiplexer to the existing D
flip-flop designs that are used (this isn’t done manually, but using library elements).
Once scan flip flops are inserted, the task remains to divide the flip-flops into scan
chains.
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