A
counter used in
digital circuits. A johnson counter is made by passing the
serial output of a
shift register through an
inverter buffer (a "
NOT" gate) and then into the
serial input of the
shift register. Produces a count
response like this:
00000000
10000000
11000000
11100000
11110000
11111000
11111100
11111110
11111111
01111111
00111111
00011111
00001111
00000111
00000011
00000001
00000000
and so on.