eprom for 747

[Mathieu Blais]

ok, well I just called somewhere and asked for the 2732a eproms, and they
told me they didnèt have that.  They said they had some 2732-200dc, I'm not
sure it's the same eproms.  I'll try to look at some other stores as well on
tomorrow.  Should they be 28 pins? And how many K? Thanks.

    Math B
    fireb76 at videotron.ca

----- Original Message -----
From: "Ludis Langens" <ludis at cruzers.com>
To: <gmecm at diy-efi.org>
Sent: Friday, November 24, 2000 1:16 AM
Subject: Re: eprom for 747


> Bruce Plecan wrote:
> >
> > > First, if I
> > > want to buy some extra eprom to write on for a 747 ecm, what would be
the
> > > size of it ( i guess pins and kb wise), I mean model maybe.
> >
> > 2732As, are what you want.
>
> Any of 2732, 2732A, 2732B, 27C32, 27C32A, and so on.  If you can't get
> "industrial" temperature grade parts, then try to get CMOS chips - in
> other words, the 27C* versions.  As for speed, 250 ns is plenty good
> enough.  450 ns is even fast enough ina pinch, though I wouldn't want to
> rely on a commercial temperature grade 450 ns NMOS EPROM.
>
> Check what your PROM programmer can handle before getting chips.
>
> --
> Ludis Langens                               ludis (at) cruzers (dot) com
> Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
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