If your on Unix box using >diff >awk > grep can create lists of netlist differences.. Lou > > The problem of determining the differences in netlists is compounded > by the issue of component renumbering. For example, if in the old netlist > U1 pin 3 connected to U6 pin 2, and this net remained unchanged as far > as connectivity is concerned but the board was renumbered such that U1 > is U2 on the new board and U6 is U7. If you go by the reference designators > this would be flagged as a change, but in terms of connectivity it in fact > is not a change. A program to determine netlist changes would have to > build a connectivity list and link this to the generic or function name > of the device (ls00 for example). You would have to build a two lists of > functions and pin numbers that are tied together, one for each board, then > compare them. > > Depending on your cad system, it may be easier to extract this data from > your pcb database than to use the actual netlist. If you are using Cadence > Allegro I am sure it can be done this way, otherwise I suggest that you > contact an AE or some other knowledgable person. > > Anyway, that's my two pennies worth. > Ken Barrett > Cisco Systems WBU > San Jose CA > [log in to unmask] > 408.526.5625 > > **************************************************************************** > * The mail list is provided as a service by IPC using SmartList v3.05 * > **************************************************************************** > * To unsubscribe from this list at any time, send a message to: * > * [log in to unmask] with <subject: unsubscribe> and no text. * > **************************************************************************** > > **************************************************************************** * The mail list is provided as a service by IPC using SmartList v3.05 * **************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ****************************************************************************