26 May
2016
26 May
'16
2:40 p.m.
On May 26, 2016, at 2:29 PM, David Riley via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
Mask ROMs are the 2364/23128/etc parts which are mask programmed at the chip fab, and never lose their contents unless they lose their smoke.
Or unless electromigration takes out a path or two, but that's a much longer process and akin to losing the magic smoke.
I've read about this being a major issue for Mostek mask ROMs. David