Hello. I am Layout Engineer.
And now doing study for DRC, LVS, DFMC and etc.
But now new 3 jobs LEF / LDE / LLE..
1. What is the LEF?
I think that is Library Exchange Format. For GDS / OAS format to ASCII format.
But some people LEF is Layout abstract for top-level connectivity..
What is different?
2.What is LDE?
Use LDE_CHECK. (CDM_CHECK, GDS_CHECK, etc)
What is fuul spelling LDE?
3.What is LLE?
I think that is Local Layout Effect. and result is STI and WPE option.
Thanks for reading. My English is bad.. sry.. but if you help me I really happy today! XD