What Is Layout Design Rules In Vlsi
Design or layout rules.
What is layout design rules in vlsi. Main terms in design rules are feature size width separation and overlap. Design rules ensure that design is still functional even when there may be lots of misalignments and various side effects of the fabrication process. 2 design rules cmos vlsi design slide 3 layout overview minimum dimensions of mask features determine. In the cad or say eda electronic design automation world to verify these rules different tools are developed by the eda vendors commonly known as drc design rule checking or checks tools.
Transistor size and die size hence speed cost and power historical feature size f gate length in nm set by minimum width of polysilicon other minimum feature sizes tend to be 30 to 50 bigger. The most important parameter used in design rules is the minimum. Design rules does represent geometric limitations for for an engineer to create correct topology and geometry of the design. Layout design rules.