[sdiy] beginners question about logic ics

[Dave Magnuson]

hi Sven,

Take a look at the datasheet.  Here's a link to a copy:

http://www.fe.up.pt/~victorm/DataSheet/CMOS/mc14001brev3.pdf

If you look on page 4, you'll see the data you're looking for:

With supply voltage (VDD) of 5V, you should see a minimum of 4.95V on a
logic high (VOH) and a maximum of .05V on a low (VOL).

So, essentially, you should see 0V on a low output and 5V (or VDD) on a
high output.  

Also note that it tells you how much current the output can source/sink and
a variety of other useful info.

Dave Magnuson




At 08:38 PM 6/20/03 +0200, Sven Windisch wrote:
>
>hi there.
>
>i wondered about the following:
>
>if i take some logic ic (let's say 4081, 4 AND gates) and set it up with n
>volts as dcc and IN1 with a Volts and IN2 with b Volts, so that IN1 and
>IN2 are set to HIGH and OUT1 would go high. what would the output be in
>volts? n, a, or b? or something very different?
>
>confused,
>sven.
>


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