Jk flip flop: The JK Flip Flop is the most

The JK Flip Flop is the most widely used flip flop . It is considered to be a universal flip flop circuit. The JK Flip Flop name has been kept on its inventor's name Jack Kilby. JK flip – flop is named after Jack Kilby, the electrical engineer who invented IC. A JK flip – flop is called a Universal Programmable flip – flop because, using its inputs J, K Preset and Clear, function of any other flip – flop can be imitated. A JK flip – flop is the modification of SR flip – flop with no illegal state. Master Slave JK Flip Flop is a combination of two JK flip flops which are connected in the cascaded manner as shown in Figure-1. In this combination of two JK flip flop , one acts as a master flip flop and the other acts as a slave flip flop .