Thanks again for your advices guys.
My question was simple cursiosity. Of course adding chip to a circuit
means more bucks ! I just want to test/try for personnal use.
I think it's time to close this thread :)
Expect more questions soon !
Matthieu
Mike Dodd wrote:
>>My question wasn't well formed, I wanted to know a simple electronic
>>
>>
>way
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>>to make a 7 NOT gates (is there a 74XX?). For software issues, I can do
>>it (that's my job) :)
>>
>>
>
>As Keith said, the 7406 is an open-collector hex inverter; you'll need
>two chips to get all seven bits. He also suggested looking for LED
>display drivers, which (I believe) have enough pins for all the segments.
>
>However, as an old hardware designer turned software designer, I have
>to ask: Why do you want to add hardware when you can do it in
>software? For my projects, I'll add a chip only after all software
>options have been explored first.
>
>With the AND, OR, XOR, and NOT operators in programming languages,
>flipping bits on an I/O port is child's play.
>
>Mike
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>Yahoo! Groups Links
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