Re: 48bit adder won't fit

Jul 02, 2003 0 Replies



> schrieb im Newsbeitrag news: snipped-for-privacy@WebX.sUNCHnE...
> Hi Petter,
> The speed is very slow, data is updated every 33 ms or so but the clock is
> 50 mhz, I think there would be no problem...
>
> In this case you should consider using a serial adder. Uses much less
> ressources.

Without more description it would be hard to say. If the whole design could be implemented serially it would make a lot of sense. If a parallel 48 bit output is needed, then deserializing the result will make it more complicated.


It is interesting what people used to do. I remember a description of the PDP-8s, a PDP-8 implemented with a serial ALU.


-- glen


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