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The 237 isn't an obsolete part. Radio Shack isn't the store it used to be. You
need to purchase your parts from a better source. Mouse has the part,
74HC237 Mouser stock # 511-M74HC237 , they are only $0.52, www.mouser.com
Dan Gates wrote:
> In lugnet.robotics.handyboard, Alessandro Terni writes:
> > Hi!
> >
> > I'm a little in a trouble.....
> >
> > I cannot find the ic 74hc237 (3-to-8 Decoder/Demultiplexer with Address
> > Latches) marked U5 on the expansion board...........
> > I have two questions:
> >
> > 1) Can i replace this part with an equivalent one?
> > 2) If not.......where i can find this ic instead of Mouser Electronics?
> >
> > Thanks a lot!
>
> Alessandro,
> As far as I know there are now equivelant replacements for the 74hc237. The
> 74hc138 does the same thing but outputs an inverted signal. If you are any good
> at electronics you can fudge a 74hc04 into the prototyping area to re-invert
> the signal, and use the 74hc138 in place of the 237.
> Or try Digikey or allied electronics, but I didn't have much luck.
> Dan
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Message has 1 Reply:
 | | Re: 74hc237
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| I know that Mouser have the parts in stock.........but they require a minimum order (100$).......it isn't a great deal........Radio Shack is good but i live in Italy and they don't sell outside U.S.........if you know where i can purchase 74hc237 (...) (23 years ago, 4-Dec-01, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | Re: 74hc237
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| (...) Alessandro, As far as I know there are now equivelant replacements for the 74hc237. The 74hc138 does the same thing but outputs an inverted signal. If you are any good at electronics you can fudge a 74hc04 into the prototyping area to (...) (23 years ago, 2-Dec-01, to lugnet.robotics.handyboard)
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