Re: Strange behavior of #8 button
Thanks Allison. I have replaced the 74SL259 with a new one, but didn¡¯t make any difference.
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On Mon, Mar 31, 2025 at 8:39?AM ajparent1/kb1gmx via <kb1gmx= [email protected]> wrote: Any TTL (74LS259) will react very badly with overvoltage.
Most of the CMOS may tolerate it.
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Allison
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