Re: Resistors in TTL
Posted: Thu Apr 02, 2009 7:25 pm
Actually, my answer was incorrect. I'm just learning about it. I'm obviously not making my own ICs.
I've been looking at some diagrams, but it just doesn't make sense. I know what a transistor does, what a logic gate does, and some other stuff, but I just don't understand why you have to have getups like this:
http://upload.wikimedia.org/wikiversity ... CE.SCH.png
It seems like something like this:
would work, but it's never shown that way.
I've been looking at some diagrams, but it just doesn't make sense. I know what a transistor does, what a logic gate does, and some other stuff, but I just don't understand why you have to have getups like this:
http://upload.wikimedia.org/wikiversity ... CE.SCH.png
It seems like something like this:
Code: Select all
In
____|____
__|__ __|__
Vcc____| NPN |___| PNP |____Ground
|
Out