Flip-Flop and Latches Digital Logic and Computer Design by Ravinder Nath Rajotiya - October 9, 2023October 9, 20230 Introduction The second type of digital circuitry are the sequential circuits. These circuitry are formed as a combination of combinational and the memory element. The memory element stores the state of the circuit. We start discussing on Latches and Flip-Flops. Latches Storage elements that operate with signal levels (i.e. level triggered of signal input) are termed as latches. A latch is a bi-stable element having two states Q and Q’. It is a sequential circuit that will continuously change its state as soon as the input changes without waiting for the clock signal. A latch usually has an enable input. When the enable is active the output changes as soon as there is a change in the inputs. Latches are not of practical