If I have an 8 kHz square wave clocks and a 5 bit ripple counter, what is the frequency of the last flip-flop? What is the duty cycle of this output waveform? -
![digital logic - Why does a 4-bit asynchronous counter need exactly 4 flip- flops? - Electrical Engineering Stack Exchange digital logic - Why does a 4-bit asynchronous counter need exactly 4 flip- flops? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/BVibL.jpg)
digital logic - Why does a 4-bit asynchronous counter need exactly 4 flip- flops? - Electrical Engineering Stack Exchange
![flipflop - Why use JK Flip Flops in syncronous/asyncronous binary counters rather than D flip flops? - Electrical Engineering Stack Exchange flipflop - Why use JK Flip Flops in syncronous/asyncronous binary counters rather than D flip flops? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/1a92F.png)
flipflop - Why use JK Flip Flops in syncronous/asyncronous binary counters rather than D flip flops? - Electrical Engineering Stack Exchange
![Design a 4-bit down counter (decrement by 1) and analyze for the same metrics. Assume that no enable signal is used in this case. Assume the same delay characteristic equation and hold Design a 4-bit down counter (decrement by 1) and analyze for the same metrics. Assume that no enable signal is used in this case. Assume the same delay characteristic equation and hold](https://study.com/cimages/multimages/16/counter7410591331235208632.png)