[Coco] What happens if a slow 6809EP is used....

[Mike Pepe]

> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-
> bounces at maltedmedia.com] On Behalf Of Louis Ciotti
> Sent: Monday, January 18, 2010 7:41 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] What happens if a slow 6809EP is used....
> 
> Most likely they will run hot, the question is how hot.  Most IC can
> withstand some decent amount of heat, typically a max of around 125
> degrees C at the junction (internal die temperature), but their
> lifespan drops drastically as high temperatures.
> 

It may, I've never tested that, but as an NMOS device the 6809's power dissipation doesn't change much with operating frequency as, say, a CMOS device where the power-to-frequency relationship is far more linear.