What kind of IC is this - part two

Oliver Lehmann lehmann at ans-netz.de
Thu Jan 1 14:34:28 CST 2009


Chuck Guzis wrote:

> On 1 Jan 2009 at 20:29, Oliver Lehmann wrote:
> 
> > I got another one - now with picture! ;)
> > 
> > It is labeled
> > 
> > 	DDU-4-
> > 	7992
> 
> Looks like a delay line to me.

Ah - running ddu4 +delay +line through google the following pdf was shown

http://www.datasheet5.com/download.asp?id=OCPNRMMWNPRNN

Looks like you where right ;) Regardingg the naming convention showed in
this pdf 992 could indicate 992ns but 992 sounds "suspicious"


-- 
 Oliver Lehmann
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