vivkr
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Hi Dipankar,
As you have already pointed out yourself, you need to be careful about the other parasitic diodes to ensure that you don't cause them to be turned ON or trigger latchup. Another important point is that most foundries will model these well diodes etc. only for the reverse bias mode. So, if any diode properties are of interest to you (which is probably the case), then you will not be able to simulate them with any suitable amount of confidence.
I would check with the foundry if they actually allow you to use these diodes in forward mode (I doubt). You probably need a dedicated floating diode or use an available BJT as a diode.
Regards,
Vivek
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