[sdiy] Re: bcd stuff

[Tim Parkhurst]

What about using this display? Is it still being produced or is it
unobtanium?

http://focus.ti.com/lit/ds/symlink/til311.pdf

I've seen it listed as a DIS1417 and as a TI TIL311. Try a Google search and
see what you turn up.

Found some for sale on ebay

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3830750823&category=26206

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=26206&item=3830951292

and this place seems to have a bunch (I don't know what the minimum buy is
though)
http://www.talkaboutelectronicequipment.com/group/misc.industry.electronics.
marketplace/messages/30080.html




Tim (watch for the word wrap) Servo

"Imagination is more important than knowledge." - Albert Einstein




> -----Original Message-----
> From: WeAreAs1 at aol.com [mailto:WeAreAs1 at aol.com]
> Sent: Tuesday, August 03, 2004 9:36 AM
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Re: bcd stuff
> 
> 
> In a message dated 8/3/04 9:14:11 AM, ijfritz at earthlink.net writes:
> 
> << At 03:16 AM 8/3/2004, Oakley Sound wrote:
> >Or a single 2716 EPROM programmed so that its eight outputs were
> >directly decoded by the address lines. I did that for the LED display
> >for my original Walshbank in 1986. But they probably don't make that
> >particular EPROM anymore, but I guess the principle still is OK.
> 
> Just as an aside, I noticed that Ocean State Electronics still has the
2716
> listed. >>
> 
> Just as another aside, it should be noted that pretty much any EPROM could
be
> called into service for this task, even big ones like 27512's.  You're
only
> going to use a very small amount (probably just sixteen) of the available
> addresses, so it will feel like overkill, but honestly -- even a 2708
would be
> overkill for this app.  I do like the idea, though.
> 
> Michael Bacich
> 
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