BCD Counter Circuit using the 74LS90 Decade Counter
How to design an 8-bit up/down counter using a D flip flop - Quora
Synchronous Counter Design - Online Digital Electronics Course
Solved Design a bidirectional (up/down) 3-bit synchronous | Chegg.com
digital logic - How can i make my mod 10 up/down counter wrap from 0 to 9 when counting down? - Electrical Engineering Stack Exchange
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
Synchronous counter
Synchronous 3 bit Up/Down counter - GeeksforGeeks
3 bit synchronous up counter using j k flip flop | counters - YouTube
design a bidirectional (up/down) 3-bit synchronous | Chegg.com
Counters | CircuitVerse
Synchronous counter
Synchronous Counter and the 4-bit Synchronous Counter