[sdiy] looking sn76477

[Tim Ressel]

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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