Re: Copying Asteroids ROM 035127

From: David Fish <dfish1_at_mediaone.net>
Date: Sun Feb 03 2002 - 15:42:53 EST

>From the Intel 1982 Component Data Catalog:

2716-1: 350 ns Max.
2716-2: 390 ns Max.
2716: 450 ns Max.
2716-5: 490 ns Max
2716-6: 650 ns Max.

----- Original Message -----
From: Rodger Boots <rlboots@cedar-rapids.net>
To: <vectorlist@synthcom.com>
Sent: Sunday, February 03, 2002 2:51 AM
Subject: Re: VECTOR: Copying Asteroids ROM 035127

> Do you actually have a data sheet that tells you an Intel 2716-1 is a
> 100 nS part? Jameco sells a 2716-1 (not Intel, though) that is 350 nS.
> As far as I know, Intel NEVER made anything faster than 200 nS in a
> 2716. And their dash numbers make no sense whatsoever.
>
>
>
> Phil Morris wrote:
> >
> > >Sounds like your 2716 might be too slow. They need to be 200ns or
better
> > >(smaller).
> >
> > They're Intel EPROMs, labelled as:
> >
> > D2716-1 (ie 100ns)
> >
> > So speed surely can't be the issue here.
> >
> > They bit and blank check okay when erased and work okay if used as the
main
> > program ROMs.
> >
> > I'll hint around and see if I can find any different ones.
> >
> > Just out of interest, what is the minimum speed for the program EPROMs?
200ns?
> >
> > Ta,
> > Phil
> >
>
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Received on Sun Feb 3 09:43:13 2002

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