[time-nuts] low power divide by 5

[Richard (Rick) Karlquist]

On 6/30/2020 3:47 PM, dschuecker wrote:
> Hi,
> 
> a divide by five should possible with a synchronous state-machine made 
> of 3 ( sufficiently fast-) JK-FlipFlops.
> 
> All 3 FFs are clocked with the input freq. , the outputs of the FFs are 
> fed back to the the JK-inputs,  the divided freq. is output of one of 
> the FFs.
> 
> 
> Detlef
> 


Nice ideas, but JK flip flops seem to have become extinct in
newer logic families.

It might be interesting to see what could be done
using one of those programmable logic devices (PLD).

Rick N6RK