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Forum Post: binding a layout to schematic and putting pins in the layout

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Hello, I have a script which generates a layout transistor pattern. Then i needed to bind this layout to a schematic in order to have it XL happy. I searched in the older links here and i found these functions: lxSetConnRef & bndSetInstsBindingByName. And i searched for them in the manuals to know how they are used, I found that i have to use "lxSetConnRef" first then use the second function. both functions have the condition to have the instances as leaf one, what does it mean?????? I tried that and it worked nicely with the transistor has only one multiplier, but it couldn't work with the other transistors which have more than one multiplier. So can you please tell me: 1) what is meant by leaf instance? 2) How can i make it for transistors consisting of more than one multiplier? About putting the pins in the layout, i thought about it like the following: i just made some brain storming with my self about that. - determine the pins needed to be placed, and their layers (text and box) - Identify every transistor will be connected to which pins. - for a certain transistor, identify their Drains, sources, and gates will be connected to which pins and place them. - check if this transistor if its a dummy so all their terminals will be set to vdd. So please can you tell me what the followed procedures for placing the pins for a pattern using skill script, if you can give a simple sample code it will be nice Thanks Regards, Inas

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