[time-nuts] 4046 replacement

Attila Kinali attila at kinali.ch
Wed Apr 18 04:16:53 EDT 2018


On Wed, 18 Apr 2018 20:04:02 +1200
donald collie <donaldbcollie at gmail.com> wrote:

> 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

What design flaw are you talking about?

			Attila Kinali

-- 
It is upon moral qualities that a society is ultimately founded. All 
the prosperity and technological sophistication in the world is of no 
use without that foundation.
                 -- Miss Matheson, The Diamond Age, Neil Stephenson


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