செவ்வாய், 27 ஜனவரி, 2015

What is the difference between a flip-flop and a latch?

What is the difference between a flip-flop and a latch?


flip flop:
-> it work's on the basis of clock pulses.
-> it is a edge trigerred , it mean that the output and the next state input changes when there is a change in clock pulse whether it may a +ve or -ve clock pulse.
latch;
-> it is based on enable function input
-> it is a level trigerred , it mean that the output of present state and input of the next state depends on the level that is binary input 1 or 0.

Both the flip-flop and latch are Sequential circuits....


  • Flip flops are edge-triggered devices whereas latches are level triggered devices.
  • latch does not have clock signal whereas flip flop does.
  • Flip flop has two values while latch has only one value.

A: A flip-flop can be set reset and pass date with a clock a latch is a two state switch of or on
A flip flop will follow a clock a latch will remain status quo until it is unlatch. basically one does not use flip flop for latches and viceversa. both can be flip and latched by signals.

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