unicorn electronics seems to have the h108's for $1.29
ea.
http://www.unicornelectronics.com
Do 74H chips fail more often than "regular" or LS TTL?
--- Tom Uban <uban_at_ubanproductions.com> wrote:
>
> >Incidentally, does anyone have/know where to get
> 74Hxxx TTL? I'm working
> >on a machine that's stuffed with it, and a fair
> number of chips have
> >failed. 74LSxxx works in most places, but there are
> some chips (74H52,
> >74H54 And-Or-Invert gates, 74H108 JK flip-flops,
> etc) that don't seem to
> >have equivalents in other families. If one of those
> has failed (or fails
> >in the future) I am going to have problems...
>
> A few months back (or was it a year now), I was
> trying to stock up on
> 74Hxxx TTL
> so that I would have some to repair my old PDP-11s
> when/if those parts
> died. They
> are very hard to locate these days. After much web
> surfing, I located a
> place which
> used to sell them, but was switching business over
> to a more lucrative
> solar products.
> They still had a large inventory of the parts, but
> couldn't be bothered to
> sell me some
> (or all) of the 74Hxxx parts that they had on hand.
> I imagine that they put
> them into
> a dumpster -- what a shame!
>
> --tom
>
> >-tony
>
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Received on Wed Sep 04 2002 - 20:30:01 BST