[PCB_FORUM] Re: sch4pins-pcb5pins

Shirley.
normally i show all pins whether the are NC or mounting for socket type 
connector. I just got a sch which won't package and before i give it back i 
wanted to have my answer straight about whether or not the NC pin needs to be 
part of the symbol.
Thanks again
Sam
> 
> From: "Bolman, Shirley H" <shirley.h.bolman@xxxxxxxxx>
> Date: 2005/11/04 Fri PM 05:03:12 EST
> To: <icu-pcb-forum@xxxxxxxxxxxxx>
> Subject: [PCB_FORUM] Re: sch4pins-pcb5pins
> 
> Normally most software is not happy if all of the physical pins are not
> identified in
> a logic symbol. What is the 5th pin on the allegro footprint for? If it
> is a signal or
> ground pin then the part in the schematic should be updated. If it is
> just a mechanical
> mounting hole and not a "connect" pin then, there shouldn't be any
> problem. With allegro
> a mechanical hole is not considered a "pin" and they probably should be
> NPTH.
> 
> The same holds true if it is a surface mount "hold down" pad that has no
> electrical connection.
> It must be added as mechanical and not connect. Doing an inquire on the
> 5th pin in allegro
> should tell you what kind of a pin/pad it is.
> 
> Shirley in Oregon
> 
> -----Original Message-----
> From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of
> sjcharles@xxxxxxx
> Sent: Friday, November 04, 2005 12:37 PM
> To: icu-pcb-forum@xxxxxxxxxxxxx
> Subject: [PCB_FORUM] sch4pins-pcb5pins
> 
> Group: In orcad capture I have a four pin part and in allegro i have a 5
> pin part. Are there ways to make this work? In the past I've always made
> the sch part and pcb part to have equal number of pins.
> 
> Sam
> 
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