Re: EPROM identification

["Programmer" <nwester@eidnet.org>]

There ya go--same answer. I didn't know the
production date <BG>. Ludis--ya never fail
to surprise me...

Lyndon.
----- Original Message -----
From: "Ludis Langens" <ludis@cruzers.com>
To: <gmecm@diy-efi.org>
Sent: Monday, December 04, 2000 2:03 PM
Subject: Re: EPROM identification


> WEG1192@aol.com wrote:
> >
> > 3.1L V-6s == Corvette
>
> Huh?
>
> > 014
>
> National Semiconductor
>
> > 045915
>
> 27256 or equivalent.
>
> > AD9050B
>
> 50th week of 1990.
>
> > I have quite a few EPROMs like this in which only the last series of
numbers
> > changes. Any help would be appreciated.
>
> There are lots of slightly different NatSemi 27256's.  NMOS/CMOS.
> 25/21/12.5 volt VPP.  5/6 volt VCC (during programming).  And so on.
>
> --
> Ludis Langens                               ludis (at) cruzers (dot) com
> Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
>
>
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