Solved this is a 4-bit synchronous updown counter designed | Chegg.com
Solved Convert the T Flip-Flop into its D Flip-Flop | Chegg.com
Solved In class we presented the figures below for 3-bit up- | Chegg.com
Synchronous 3 bit Up/Down counter - GeeksforGeeks
Synchronous 3 bit Up/Down counter - GeeksforGeeks
Synchronous counter
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