[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.