[sdiy] looking sn76477

[Rude 66]

it would be neat, but isn't that kinda turning things around? the cool thing
about the 76477 was the 'all functions on one chip' design.. ;-)

r./
(who'd probably buy one..)




----- Original Message -----
From: "Tim Ressel" <madhun2001 at yahoo.com>
To: "John Blacet" <john at blacet.com>; <synth-diy at dropmix.xs4all.nl>
Sent: Wednesday, December 04, 2002 10:08 PM
Subject: Re: [sdiy] looking sn76477


> Yo,
>
> I had a radical notion a while back. I didn't share it
> for reasons that can only be called "lazy". I wonder
> if a discreet version of a 76477 could be made? I
> thought it would be a small PCB the size of a 76477
> with SMT parts on both sides if nessessary, and pins
> sticking out. The advantage would be a direct
> replacement for the 76477.
>
> Would this kind of thing be
> possible/needed/wanted/fun?
>
> --tr
>
> --- John Blacet <john at blacet.com> wrote:
> > The whole search for 76477s was a long, frustrating
> > adventure involving
> > several vendors and a wide array of SNAFU. Not to
> > mention about $1500!
> > At one point I was screaming......
> >
> > In the end we managed to actually get 200 of the
> > "shrink dip" versions.
> > Oddly enough, one batch was "N" and the other "NF"
> > with no apparent
> > physical or electronic difference. There seems to be
> > NO way to determine
> > the package type from anything printed on the
> > DIP!!!!!!
> >
> > The good news is that these are newer chips, made in
> > the 90's
> > accordingto the vendor. They certainly look nice and
> > shiny.
> >
> > The bad news is that you really need an adaptor
> > board to use them. The
> > good news is that we will have some in stock late
> > this week.
> >
> > We will have a few individual units for sale plus
> > the DSC bare board
> > with 76477/adaptor board included. Keep an eye on
> > the web site for
> > ordering info.
> >
> > Regards,
> > --/////--
> > John Blacet
> > Blacet Research
> > http://www.blacet.com
> >
> >
>
>
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