[Coco] New 6821, 6551 replacements

[Roger Taylor]

At 07:21 PM 2/2/2009, you wrote:

>On Mon, 2 Feb 2009, Shain Klammer wrote:

>

>>I agree with you; however, the links Roger provided do list both the

>>W65C21S6TPG­14 and the W65C21S6PLG­14 at $7.50 - been around since '78 and

>>are in Arizona, USA - or did I miss something?

>

>>>

>>>>  Here's a company we need to keep an eye on.  The Western Design Center,

>>>>Inc.

>>>>If they can do for the 6809 what they did for the 6502, (creating a

>>>>100+mhz and 200+mhz version), what an amazing thing this would be.

>

>If there is such a thing as a 100 or 200Mhz. 

>6502, it's in the form of synthesizable IP for 

>fabrication into an ASIC or somesuch.  There's 

>never been standalone silicon anywhere near that speed rating.


I read something about 14mhz bus support for 
several of their chips I mentioned.  It's right 
there on the site.  I don't know any more details that that, though.



>A CoCo in an FPGA should be capable of 25-50Mhz. 

>operation without too much trouble and you don't 

>need to pay the license fees for it.



-- 
Roger Taylor

http://www.wordofthedayonline.com