Started by robcfg, 18:54, 12 April 16
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Quote from: Gryzor on 09:28, 13 April 16Crowdfunding?
Quote from: Octoate on 09:50, 13 April 16You can use Degate (Reverse engineering integrated circuits with degate - Home). Btw, a nice tutorial on how to reverse engineer ICs can be found here.
Quote from: robcfgUnfortunately the 40007 broke because of thermal stress, so we'll have to get another one.
Quote from: Cpcmaniaco on 12:14, 13 April 16@TotO I will bay you 2 40007, 1 for the experiment and 1 for me to replace the other.
Quote from: dragon on 13:01, 13 April 16Pre asic =lsi compact gate array. Sea of gates. It appear amstrad have pass in this life with all stages of new technology in gate arrays. It have reference books published.Thats remember me. Also the acid is reverse enginered. What about sending one to complete the album of pictures of custom ic?Hi found this curse, i think it can help to undersantd how works the logic of the 40010https://www.google.es/url?sa=t&source=web&rct=j&url=http://www.csit-sun.pub.ro/courses/vlsi/VLSI_Darmstad/www.microelectronic.e-technik.tu-darmstadt.de/lectures/winter/vlsi/vorlesung_pdf/chap13.pdf&ved=0ahUKEwimjNbxy4vMAhVG1hQKHaHFD2sQFgg4MAk&usg=AFQjCNFARYhNwBskHOmvbPyYVAah9qc9WA&sig2=Gm_oFlQcbWiW22ptFgRHIw
Quote from: arnoldemu on 11:09, 13 April 16I have some 40010 and 40007 here that I was going to send to visual6502 for decapping but never did.I will check if I have a 40008 (unlikely, but I will check).
Quoteauthor=Gryzor link=topic=11888.msg124813#msg124813 date=1460725733]Can you circle, on the photo, where the problem lies? I'll see if it's on the original image...
Quote from: pelrun on 16:21, 15 April 16I disagree about the resolution; I don't have any problem seeing where the metal traces are joined to the silicon layers, either in the large bus bars or in the finer interconnects. There's very rarely a join in the middle of a track, anyway (they branch off into a stub if there's room) - and even those are distinguishable.Edit: only talking about the original GA here; the Pre-ASIC is much denser.
Quote from: robcfg on 21:18, 16 April 16Is it safe to assume that every other inverter on the gate array should look exactly the same as this one?
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