For IC designs there are many data formats used throughout the logical and physical design process, and one of those file formats is called LEF, an acronym for Library Exchange Format, created by Tangent, an early EDA company with Place and Route tools that was acquired by Cadence way back in March 1989. LEF generation times can become… Read More
Tag: gds ii
The Need for OASIS in Post-layout IC Databases
OASIS is a hierarchical IC file format used for IC designs that is gradually replacing GDS II throughout the mask data stages. The compelling reason for using OASIS has always been the reduction of file size, and speed up of processing times through the use of hierarchy and fewer translation steps.
At the 45nm node an actual M1 layer… Read More