I’m surprised Frank, because the AMD PAL data book says they have internal pull-ups – at least for PAL’s are GAL’s different
From: n8vem...@googlegroups.com [mailto:n8vem...@googlegroups.com] On Behalf Of Frank Schieschke
Sent: Tuesday, April 22, 2014 11:40 PM
Subject: [N8VEM-S100:3191] Re: GAL's and PALASM
Please note that all GALs need defined logic levels on all input pins (also unused ones) while testing on the bread board.
My experiences in testing the programmed GALs shows this. I end up with pullup resistors to +5V on all inputs.
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