[sdiy] So what's the difference between these IC's?

James Patchell patchell at cox.net
Sat Apr 10 00:08:02 CEST 2004


At 12:56 AM 4/9/2004 -0700, Scott Stites wrote:
>Hi list,
>
>I've been sorting through my warehouse of goodies, and, as usual, the same
>questions pop up about why there are two different CMOS chips that perform
>the same function.  So, I thought I'd drop everything and bug the list. =0)
>
>Specifically:
>
>CD4030 versus CD4070 - both are quad 2 input XOR gates
>
>And the same applies to the CD4016 versus the CD4066 they're both quad
>bilateral switches.  So - what's the difference, if any?

There is a difference between the CD4066 and 4016.  As I recall, one of the 
most significant is that the 4066 has a lower channel resistance.

>Hopefully somebody can answer this nagging question I've never gotten around
>to asking until now....
>
>Cheers,
>Scott

         -Jim
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