Re: EEPROM programmer?

["Lehane Kellett" <lehane@xxxxxxxxxxxxxxxxxxx>]

Paul,
Not sure there is a direct equivalent to the 24C21/24LC21 as it is
designed for DDC1/2.

Digikey will sell them but MOQ is 60(!). However if you are building 6
then the cost per unit may be acceptable.

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=24LC21A-I%2FP-ND

Regards,
Lehane




--- In ukha_d@xxxxxxx, "Paul Gale" <groups2@...> wrote:
>
> Oh, and also, is there a directly compatible alternative to this
EEPROM part as I can't find it at RS/CPC etc?
>
> Paul.
>
>
> > -----Original Message-----
> > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> > Of Paul Gale
> > Sent: 09 May 2008 09:26
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] EEPROM programmer?
> >
> > I'm thinking of building a number of simple circuits to send
computer
> > monitor EDID info to the computer - this is to get around
problems
when
> > using DVI monitors and switching between them. The resolution
isn't set
> > correctly - a right pain in the ...
> >
> > Anyway, the circuit is very simple but uses a 24LC21A-I/P EEPROM.
I
> > don't have an EEPROM programmer so wondered what the cheapest and
> > EASIEST way to program the EEPROMs is? I expect I'll build 6 of
these.
> >
> > If anyone's interested, the details are here (part way down the
forum
> > post):
> >
> >
http://www.entechtaiwan.net/forums/viewtopic.php?t=1970&postdays=0&post
> >
order=asc&highlight=toshiba&start=15&sid=0a68d0453d54d464b990292d78fd1d
> > 22
> >
> > In my case, this is to get over problems with nVidia graphics
cards and
> > a pair of dual screen DVI KVM switches that I use to switch
between two
> > PC's connected to 3 24" monitors. If the display isn't
switched
over to
> > the PC, the graphics card VERY annoyingly thinks the max
resolution is
> > only 1280x1024. The only way to reset this to the correct res of
> > 1920x1200 is to reboot!
> >
> > So, any ideas as to very cheap programmers etc that would work
with
> > these EEPROM's? Windows/DOS(possibly) programming software is a
must
> > though.
> >
> > Cheers,
> >
> > Paul.
> >
> >
> >
> >
> >
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