Making an Up/Down Counter with JKs

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An up/down counter can indeed be constructed using only JK flip-flops, as mentioned by a lab TA. The discussion highlights the method of creating an up counter by utilizing the Q prime output from one flip-flop as the clock input for the next. Participants are encouraged to explore additional resources, such as a specific document on counters, to gain further insights. The complexity of designing counters is acknowledged, indicating a common challenge among learners. Overall, the conversation emphasizes the feasibility of building an up/down counter solely with JK flip-flops.
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So as an aside during class my ECE lab TA mentioned that you could make an up/down counter using nothing but JK flip flops, we've already done an up/down counter using JKs, AND gates, and OR gates, and I understand how you could make an up counter by taking the Q prime from one flip flop and making it the clock for the next one. Is it possible to make an up/down counter using nothing but JKs and if so how?
 
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