Compare Synchronous with Asynchronous counter.

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SR.NO	ASYNCHRONOUS COUNTER	SYNCHRONOUS COUNTER
1.	The asynchronous counters is simple to design and we feed output of one Flip Flop to clock of next Flip Flop	There is no connection between output of flip flop and clock of next flip flop
2.	All flip-flops are not clocked simultaneosly	All flip-flop are clocked simultaneosly
3.	Circuit remains simple as number of state increases	Circuit becomes more complicated as number of state increases
4.	Designing is relativley easy	Designing is complex
5.	Decoding errors present	Decoding errors not present
6.	Only fixed sequence can be designed	Any required sequenced can be designed
7.	Different clock is applied to different flip flop	Single clock is applied to triggered all flip-flop
8.	It is slower	It is faster

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