Re: gEDA-user: Symbol question – suggestions?

[asomers@xxxxxxxxx]

That chip is a quad analog switch, right?  I would set the pin types
to "pas" because they aren't digital pins at all.  The enable pin is
definitely of type "in".

On Tue, Jan 4, 2011 at 1:42 PM, Stephan Boettcher
<boettcher@xxxxxxxxxxxxxxxxxx> wrote:
>
> "Johnny Rosenberg" <gurus.knugum@xxxxxxxxx> writes:
>
>> I created this symbol, it's the 74-series version of the 4066 (4
>> bilateral switches), called 744066 (as in 74LV4066, for example):
>>
>> <Symbol>
>
>> </Symbol>
>>
>> The documentation of the symbol can be found at
>> http://focus.ti.com/lit/ds/symlink/sn74lv4066a.pdf
>> I am not sure I got the pin numbers right (or how to use pinseq vs
>> pinnumber).
>
> The slot attribute does not get promoted.  Why can't I promote an
> attribute after placement from the (ee) Element attribute edit window?
>
>> I am also not sure about the pin type of ICs like this one. It's not
>> really just ”in” and ”out”, is it? I used ”in” and ”out” anyway, since
>> I  couldn't come up with anything better, and I called the third one
>> ”en” as  in ”enable” but I am not sure about that one either.
>
> pintype has a limited set of valid values.  The E pin is an input so
> it's pintype=in, I guess.
>
> --
> Stephan
>
>
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