reg: physical design io file

[ramz]

the inputs to physical design tool are netlist, timing libs , io file and sdc file, lef file.
i am having doubt how to write an io file.
i am unable to understand the concept behind writinof io file.
could any body explain in detail of writng of io file

 

[snr_vlsi]

The IO File contains info. about the pads location, orientation, direction, etc. This can be generated with any P&R tool.

You can use the editing tools available within the P&R tools to move the pads, change orientation of the pads and save this info. by writing out a file as an IO File.

Then you can load the same IO file to get the desired location, orientation, and direction for the pads(IO's) in the design.

thx
snr_vlsi

 

[shiv_emf]

u have to generate it !!

which tool r u using ? Even soc provides this option.

 

[ramz]

soc encounter