![]() H being the pin 3 of your NE 555 (you clock signal) You make a little table of "Previous state" and "Next state" and "see" how things are connected:Įtc. Let's say we want to count from 0 to whatever. Let's start with a simple example to illustrate (If you're familiar with this, then I'm writing it for those who are not). Here's how I would think about doing it (asynchronous mode) In your schematic, a single clock attacks multiple flip-flops. ![]() ![]() 12 JK flip-flop all J and K to VCC.Įach flip-flop will toggle on the rising edge of the signal attacking its clock input in our case (if there was a circle next, they would toggle on the falling edge). ĩ needs a nibble to be coded, you'll need 3 nibbles (12 bits). You put every flip-flop in toggle mode ( J and K of every flip-flop are both connected to VCC) Have you considered doing it in asynchronous mode ? I think this is FAR easier than having the same clock control each flip-flop.
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