![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
AE&I: LESSON 20. Counters-Asynchronous and synchronous counter-decade counter-up down counter- ring and Johnson counter.
Proposed 4-bit Asynchronous Down Counter this control signal is 1 then... | Download Scientific Diagram
![simulation - Ripple counter, reset problem (J-K flip flop counter) - Electrical Engineering Stack Exchange simulation - Ripple counter, reset problem (J-K flip flop counter) - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/KYoVr.jpg)