[time-nuts] 4046 replacement

donald collie donaldbcollie at gmail.com
Wed Apr 18 08:04:02 UTC 2018


I have 4  frequency synthesiser projects, each using HEF4046BCN`s, but have
recently read that this CMOS IC has a design flaw. What would be a better
chip to retrofit? I`m thinking perhaps a HEF74HC4046AN [that`s if it
doesn`t have the same bug], or a 74HC7046AN - which is similar. Both these
chips are more-or-less pin compatable TIA for any
advice!.......................................................................................................Don

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