hi all, i am a student pursuing M.Tech vlsi design india,we are having complete cadence suite of tools here.doing a project for 1 micron fab. i would like know some basic thing's on designing a PDK. 1. what are inputs needed from foundry to design a PDK ? 2. what is the flow involved in it ? what are the tools needed ? 3. whether it can be done only by a tool vendor in tie up with foundry ? or in other words If we (our university) have a complete foundry details and with our cadence tools can we create our own ? 4.we are having cadence gpdk with us,is it possible to modify it to other specific process ?, if can what documents in cdsdoc i have to refer ? 5.In general what are the documents (in cadence cdsdoc ) or any web link that i have to refer to get start with designing a PDK ? with regards selvakumar