On Sun, Sep 6, 2015 at 5:38 PM, Marc Verdiell <marc.verdiell at gmail.com> wrote:
It just dawned onto me that these were "write
once" PROMs,
[...]
I guess none of the modern ebay Chinese ones would do?
I'd suspect not, since bipolar PROMs are long obsolte.
where can you get the blanks?
The usual surplus IC sources.
Any modern equivalents here too?
The only ones still being made are military, for really big bucks.