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Sunday 25 May 2014

Difference between Flip-Flop and Latch


Flip-Flop
Latch
Flip-Flop is Edge sensitive device.
Latch is Level sensitive device.
In Flip-Flop, output will change on rising or falling edge of clock signal.
In Latch, if Enable/Clock signal is high then output will change accordingly input.
So, we can say that Flip-Flop is a Synchronous version of Latch.
So, we can say that Latch is Asynchronous device.
Flip-Flop based design creates less timing problems.
Latch based design creates more timing problems.
In design Flip-Flop takes more area compared to Latch.
In design Latch takes less area compared to Flip-Flop.
In design Flip-Flop consumes more power compare to Latch.
In design Latch consumes less power compare to Flip-Flop.


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