Johnson Ring Counter and Synchronous Ring Counters
fpga4fun.com - Counters 4 - The carry chain
rOmV4 - Sequential Logic Up Counter and Reset
fpga4fun.com - Counters 4 - The carry chain
N-bit gray counter using vhdl
Building a Binary Counter
4 Bit Up/Down Counter Explained
For the 3 bit binary counter shown in the figure, the output increments at every positive transition in the clock CLK. Assume ideal diodes and the starting state of the counter as