24 Mar
2017
24 Mar
'17
10:12 a.m.
On 03/24/2017 12:44 PM, Noel Chiappa via cctalk wrote:
So all the DEUNA's I've seen have L10 (ceramic
package, 10Mhz) 68K's in them.
Has anyone tried using anything else, and did it work?
I _assume_ an x12 would work, but until someone has acutally tried it...
The Pxx's (plastic packaging) might not work - according to the datasheet,
they are 2mm wider than the ceramics (why, I have no idea - it probably means
they aren't interchangeable, which makes no sense at all to me).
Noel
The 68K dips regardless of package use the same pin pads (center to
center location).
The issue was at the start the only 68K fast enough was only in ceramic
then.
You should be able to use any 68K that will clock at that speed ( I
forget what
the DEUNA ran at).
I have the big Moto microprocessor data book and that confirms all the DIP
parts are mechanically interchangeable. The ceramic is smaller but the
lead
shape (bend) defines the landing point and the socket pin location.
Allison