Re: metric DIL packages (was: Interesting programming description for bank selection)

From: HÁRSFALVI Levente <publicmailbox_at_harsfalvi.net>
Date: Mon, 19 May 2014 23:42:48 +0200
Message-ID: <537A7AD8.4010905@harsfalvi.net>
Hi!,


On 2014-04-23 14:36, Michał Pleban wrote:
> ...
> That is interesting. My father works in a Polish institute producing
> radars since the beginning of '70s, they had lots of Soviet chips
> (though of course they used Polish CEMI parts wherever they could) and
> he supplied me with them in the '90s. I never had such problems with
> them. I specifically remember Soviet EPROMs, they had this strange
> bulging window protruding 2-3 milimeters above the chip casing. He
> programmed them for me at the institute, as virtually nobody had
> programmers back then. They were 27xx-compatible and fit in a standard
> DIL socket.
> 
> I will ask him about this pin spacing stuff, maybe he would remember
> something interesting...

Just stumbled upon this one while searching for old components at eBay.

http://www.ebay.com/itm/KR580VV55A-Peripheral-Interface-PIA-P8255A-clone-8255-P8255-D8255-IC-/370825462411

Image #2 appears to confirm the existence of the metric (Soviet) DIL
packaging.


Levente


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Received on 2014-05-19 22:00:08

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