# Output frequency of asynchronous and synchronous counter

I read that output frequency of asynchronous counter will be $\frac{f_{in}}{2^n}$ where $n$ is number of flip flops and $f_{in}$ is input frequency.

In synchronous counter will the output frequency always be $\frac{f_{in}}{2}$ ? As clocks are activated simultaneously for all flip flops, each flip flop will get activated simultaneously but only during a positive or negative edge so all flip flops will have output frequency $\frac{f_{in}}{2}$.

Am I correct ? I didn't find information about output frequency of synchronous counter anywhere.

• Keep searching. Sep 17, 2017 at 8:55
• The short answer is no. Sep 17, 2017 at 10:49