How to design a synchronous counter 4 bit using JK flip flop that can count up even numbers from 0 to 14, and count down odd numbers from 15 to 0 in 1 system - Quora
MOD Counters are Truncated Modulus Counters
Mod 8 Synchronous Counter using JK Flip-Flop - Multisim Live
Solved c. An asynchronous MOD-8 counting up circuit using | Chegg.com