[Coco] Hitachi 68B09EP for sale, custom DECB EPROMs

[Chuck Youse]

On Sep 19, 2008, at 12:46 PM, Chad H wrote:

>

>

> Thanks for pointing out another source for these.  I've done  

> business with

> Jameco before, great people.  Are they the EP version's?  must have  

> the EP

> on the end of the part number (6309EP) or is wrong type.


Actually, only the E is important - external clock.  the P just means  
it's a plastic vs. ceramic package.

The B is also important for Coco 3, as it's rated for 2MHz.  An A  
will probably also work without issue, but I've never actually run  
across one of those..

C.