T flip – flop is also known as “Toggle Flip – flop”. The flip – flop acts as a
Toggle switch. Toggling means ‘Changing the next state output to
complement of the present state output’. The T flip – flop can be designed
by making simple modifications to the JK flip – flop. The T flip – flop is a
single input device and hence by connecting J and K inputs together and
giving them with single input called T, thus a JK flip – flop is converted into
T flip – flop.
Case (i) T=0 , Qn=0, Qn’=1
Gate 3, input are T=0, Qn’=1, C=1, therefore Gate3 output is 1
Gate 4 input are T=0, Qn=0, C=1, Therefore Gate 4 output is 1
A input of 11 in SR latch means no change, so Qn+1=0 and Qn+1’=1
T=0 , Qn=1, Qn’=0
Gate 3, input are T=0, Qn’=0, C=1, therefore Gate3 output is 1
Gate 4 input are T=0, Qn=1, C=1, Therefore Gate 4 output is 1
A input of 10 in SR latch means No Change, so Qn+1=1 and Qn+1’=0
