Just as an aside the D latch you're showing is the more traditional NMOS circuit rather than CMOS (see the diagram at the bottom of page 510. http://books.goog

Just as an aside the D latch you're showing is the more traditional NMOS circuit rather than CMOS (see the diagram at the bottom of page 510. http://books.google.co.uk/books?id=5zUABAAAQBAJ&lpg=PA511&ots=Vmkdbpg1vF&dq=conventional%20cmos%20latches&pg=PA510#v=onepage&q=conventional%20cmos%20latches&f=false http://books.google.co.uk/books?id=5zUABAAAQBAJ&lpg=PA511&ot...