4-bit Ripple Carry Counter in Verilog HDL - GeeksforGeeks

Synchronous Parallel-Carry Binary Counter - GeeksforGeeks

Verilog Ripple Counter - javatpoint

Verilog Code for Ripple Carry Adder

hdl - 4-bit counter using T-flipflop in verilog - Stack Overflow

How to stop a counter automatically if it reaches the required limit in digital logic design - Quora

Ripple Counter in Digital Logic - GeeksforGeeks

Verilog Examples

4-bit Adder Subtractor - VLSI Verify

Solved 4.2.4 4-BIT SYNCHRONOUS WRAP-AROUNG UP/DOWN COUNTER