6502/Z80 speed comparison (was MITS 2SIO serial chip?)

From: Hans Franke <Hans.Franke_at_mch20.sbs.de>
Date: Thu Dec 20 12:44:26 2001

> > Also, if you realy want 'ultimate speed' you have to look at actual Versions.
> > close Z80 relatives (like 180) are available up to 32 MHz (I have seen only
> > 20s, but well) while actual versions of the classic 6502 and 65816 is able
> > to do 14 MHz. Now take in account that a clock ratio of 1:3 to 1:4 for 6502

> The 65816 can go up to 20Mhz. It is used in the SuperCPU for the 64 and
> 128.

I heared about that - just the Super CPU also uses WDC65C816S which are only
specified up to 14 MHz ... I truly belive they are even above 20 MHz reliable,
just not specified !

Ciao
Hans

--
VCF Europa 3.0 am 27./28. April 2002 in Muenchen
http://www.vcfe.org/
Received on Thu Dec 20 2001 - 12:44:26 GMT

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