Odd Hp leds in dip package

systems_glitch systems.glitch at gmail.com
Wed Nov 21 12:04:11 CST 2018


Looks like the HDSP-2490:

http://www.decadecounter.com/vta/articleview.php?item=9

Datasheet:

https://mkmakerspace.co.uk/wp-content/uploads/2017/07/HDSP-2490.pdf

These are shift register displays, you clock in column data on a common
clock. Similar to the HDSP-2010 and relatives. Quite expensive when new,
still very desirable today. Don't let the smoke out :P

Thanks,
Jonathan



On Wed, Nov 21, 2018 at 12:36 PM Curious Marc via cctalk <
cctalk at classiccmp.org> wrote:

> Try to look up HDSP-2450. These are 5x7 alphanumeric displays with shift
> register drivers included. Yours might be an earlier version of that, or
> just a commercial temp version  of that (the HDSPs are extended temp
> -55/85C). Maybe the internal part used in the HP9825 or HP 9830 displays,
> then later commercially sold as the HDSP 2xxx series. I can scan the HDSP
> data sheet if you can’t find it online. Maybe this will help:
> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=2ahUKEwirg4e0_-XeAhWHd98KHVa5AD8QFjAEegQIJhAC&url=http%3A%2F%2Felectron-pv.com%2FPDFs%2FLED%2FHDSP-2xxx%2520AppNote.pdf&usg=AOvVaw1JF1llgVbDdAbcK8UMBie9
>
> If you don’t need them I’ll take them :-D
>
> Marc
>
>
>
> From: cctalk <cctalk-bounces at classiccmp.org> on behalf of "
> cctalk at classiccmp.org" <cctalk at classiccmp.org>
> Reply-To: devin davison <lyokoboy0 at gmail.com>, "cctalk at classiccmp.org" <
> cctalk at classiccmp.org>
> Date: Wednesday, November 21, 2018 at 7:53 AM
> To: "cctalk at classiccmp.org" <cctalk at classiccmp.org>
> Subject: Odd Hp leds in dip package
>
>
>
> Hello. Encountered a couple odd parts in the pile today, not sure if they
>
> are anything special. Hp branded dip packages with gold leads. They appear
>
> to be leds in 4 grid patterns on the face. Im curious what they are out of,
>
> most likely an old hp computer or calculator.
>
>
>
> Part number on the back is hp5033592-101
>
>
>
> i could not find any information online about them. If they are of use to
>
> someone with a hp conputer let me know. If not im trying to find a
>
> datasheet and use them in a project.
>
>
>
> Pictures :
>
>
>
> https://i.postimg.cc/dtJTGZfm/2018-11-21-10-48-34.jpg
>
>
>
> https://i.postimg.cc/pL6hNGLq/2018-11-21-10-49-19.jpg
>
>
>
> https://i.postimg.cc/C1Nw054S/2018-11-21-10-50-37.jpg
>
>
>
>


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