I suspect they're there to "latch-up" the buffer to debounce the switches - pulling the input to ground with "de-latch" it. - these are o/c buffers, hence R12, R14 & R16.
Nick -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/c06e5e02-bc21-4759-8db4-6ceadf3f64fa%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
