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Article #20300Re: So, can you really fab 10**6 transistors now?
From: G.Pavlov
Date: Tue, 14 Mar 1989 14:22
Date: Tue, 14 Mar 1989 14:22
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In article <1989Mar13.165931.22528@utzoo.uucp>, henry@utzoo.uucp (Henry Spencer) writes: > In article <62230001@hpl-opus.HP.COM> poulton@hpl-opus.HP.COM (Ken Poulton) writes: > >... In *1982*, HP presented (at ISSCC) a 32bit CPU with > >450K transistors. It was fabbed in a 1.3um NMOS process. Yield was > >microscopic at the time of the paper, but soon came up... > > I seem to recall a non-HP assessment somewhere which said something like: > "The difficulty of getting good results from this self-aligning process > is demonstrated by the fact that it hasn't been used for anything else > since." > -- Well, granted that it was nowhere near 450k's worth of cpu. But the HP9000/ 500 did use several other chips (i/o processor, for one) that were in the same architectural family and using the same process. And a similar process was applied to the Spectrum (at least the first generation). greg pavlov, fstrf, amherst, ny
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uflorida!haven!adm!husc6!hscfvax!pavlov From: pavlov@hscfvax.harvard.edu (G.Pavlov) Newsgroups: comp.arch Subject: Re: So, can you really fab 10**6 transistors now? Message-ID: <744@hscfvax.harvard.edu> Date: 14 Mar 89 14:22:18 GMT References: <7392@polya.Stanford.EDU> <62230001@hpl-opus.HP.COM> <1989Mar13.165931.22528@utzoo.uucp> Organization: Health Sciences Computing Facility, Harvard University Lines: 18