NS certainly did second source the 8080 later on.
Sipke de Wal
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http://xgistor.ath.cx
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----- Original Message -----
From: Louis Schulman <louiss(a)gate.net>
To: <classiccmp(a)classiccmp.org>
Sent: Sunday, August 26, 2001 11:09 PM
Subject: Re: Second Source i4004?
On Sun, 26 Aug 2001 16:37:09 -0400 (EDT), Dave McGuire
wrote:
#On August 26, Wayne M. Smith wrote:
#> I was looking inside my ProLog M-900 and noticed a gold and
#> ceramic chip labeled "INS4004D" socketed next to two i4002s.
#> Does anyone know if National Semi second sourced the i4004?
#> It also has the number "530" on the bottom which I suppose
#> is a lot no.
#>
#> For those with GUI browsers, here is the best I could do
#> with my camera:
#>
#>
http://home.earthlink.net/~wmsmith/ProLog4004.jpg
#
# Hmm, it sure looks like it!
#
Doesn't INS mean Intersil, not National Semi?
Louis