TTL/CMOS logic reverse engineering tools?
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Posted by Philipp Hachtmann on February 13, 2007, 11:07 am
Please log in for more thread options Hi folks, I am looking for a tool that helps to reverse-engineer old PCBs full of TTL/CMOS ICs. Something graphical. The ideal program would let me place the parts [which should be in a database already :-)] and enter the pin connections. The program then should help me to create a schematic. An auto-router and auto-placer for the schematic is not necessary, my needs would be satisfied by a program which helps me doing this by hand.... I am pretty sure that tools with those capabilities exist, but I have no clue where to start searching. Is there something that fits my needs? Perhaps in the Free Software world? That would be great. Many thanks and best regards, Philipp :-) | |||||||||||||||||||
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Posted by martin.shoebridge on February 13, 2007, 11:35 am
Please log in for more thread options I think you need some good old elbow grease to sort that..... | |||||||||||||||||||
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Posted by john jardine on February 13, 2007, 3:22 pm
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> Hi folks,
> > I am looking for a tool that helps to reverse-engineer old PCBs full of > TTL/CMOS ICs. Something graphical. > > The ideal program would let me place the parts [which should be in a > database already :-)] and enter the pin connections. The program then > should help me to create a schematic. An auto-router and auto-placer for > the schematic is not necessary, my needs would be satisfied by a program > which helps me doing this by hand.... > > I am pretty sure that tools with those capabilities exist, but I have no > clue where to start searching. > Is there something that fits my needs? Perhaps in the Free Software > world? That would be great. > > Many thanks and best regards, > > Philipp :-) You're describing a perfectly normal PCB program that has TTL/CMOS already in it's library (and most of 'em do). -- Posted via a free Usenet account from http://www.teranews.com | |||||||||||||||||||
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Posted by Sven Wilhelmsson on February 14, 2007, 7:35 am
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On Tue, 13 Feb 2007 17:07:43 +0100, Philipp Hachtmann wrote: > Hi folks,
> > I am looking for a tool that helps to reverse-engineer old PCBs full of > TTL/CMOS ICs. Something graphical. > > The ideal program would let me place the parts [which should be in a > database already :-)] and enter the pin connections. The program then > should help me to create a schematic. An auto-router and auto-placer for > the schematic is not necessary, my needs would be satisfied by a program > which helps me doing this by hand.... > > I am pretty sure that tools with those capabilities exist, but I have no > clue where to start searching. > Is there something that fits my needs? Perhaps in the Free Software > world? That would be great. > > Many thanks and best regards, > > Philipp :-) I'm working on an experimental program (Hec - Hobby Electric CAD). I think it does what you describe. It is aiming at doing SCH and PCB simultaneously. Normally we start with SCH and then do the PCB, but Hec is symmetrical so you can start with PCB and do the SCH after wards or simultaneously. In the Hec distribution at my page there are no component libraries included, but you can use the gEDA libraries for SCH- PCB-symbols. To do so you have to modify some Perl scripts. So some knowledge in Perl scripting is necessary. Note that Hec is experimental and far from complete, but it can do the job for you if you have patience, programming skills, and the right attitude. Hec is free software (GPL). It runs with Linux and XFree86. It does not work with MS Windows, and it is not easily portable. Look at the Hec page at <http://home.swipnet.se/swi/index.html>
and
<http://www.geda.seul.org/index.html>
/Sven Wilhelmsson | |||||||||||||||||||
>
> I am looking for a tool that helps to reverse-engineer old PCBs full of
> TTL/CMOS ICs. Something graphical.
>
> The ideal program would let me place the parts [which should be in a
> database already :-)] and enter the pin connections. The program then
> should help me to create a schematic. An auto-router and auto-placer for
> the schematic is not necessary, my needs would be satisfied by a program
> which helps me doing this by hand....
>
> I am pretty sure that tools with those capabilities exist, but I have no
> clue where to start searching.
> Is there something that fits my needs? Perhaps in the Free Software world?
> That would be great.
>
> Many thanks and best regards,
>
> Philipp :-)