[time-nuts] 4046 replacement

Clint Jay cjaysharp at gmail.com
Wed Apr 18 05:28:32 EDT 2018


Why not try one, the 74HC4046 is pin compatible I think, you may need to
make some changes to use the '7046 version but you can then make a value
judgement if the flaw had in fact mainfested itself as a problem in your
design?

On 18 April 2018 at 09:04, 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
> advice!.....................................................
> ..................................................Don
>
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-- 
Clint. M0UAW IO83

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