Dec 8235 IC?

Jay Jaeger cube1 at
Fri Sep 4 10:04:13 CDT 2015

Yup.  I have done the same kind of thing with GALs (which offer the
convenience of re-programming, though not the longevity of a PAL.)

Did this as a backup for the Signetics chips on a Mark 8.

You can see them in this Flickr stream - I had both "normal" and open
collector variants, and designed both chip-specific and generic boards
for chip replacement (I expect to run into the issue with DTL as well).

BTW, I sent my PCBs out to Gold Phoenix PCB -


On 9/3/2015 10:49 PM, dwight wrote:
> A pal could have worked as well.
> Dwight

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