A JK overcome-vassal flip-flop is lashed within of a overcome RS latch and vassal RS latch. The variation of the overcome latch is communicated to the vassal when the clock goes frugal. Therefore the outputs can solely exexvary soon behind the clock goes frugal. The overcome latch declare at the instant the clock goes frugal is resolute by the conclusive Q output and what happened to J and K when the clock was haughty. In the over tour authenticate the overcome and vassal latches.