[Coco] Dynamic RAM Q

jdaggett at gate.net jdaggett at gate.net
Sat Oct 7 07:46:42 EDT 2006


On 6 Oct 2006 at 22:54, Gene Heskett wrote:

> Chuckle, if the 5 volts is there, then so is the refresh because the cpu
> is still running as is the clock generator.  And with a 63c09 in it, the 5
> volts will hold up quite a while.

********************

I would not be surprised to see the 63C09E work down to 3.6VDC in a Coco1/2 
operating at 1MHz. Five volt CMOS process should allow lower than specification 
operation if and only if the clock speed were reduced. This does not work so well 
with NMOS though. 

james



More information about the Coco mailing list