[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