7. FinFET Circuit Design
FinFETs serve as the standard devices in advanced technology nodes for digital and analog IC design, owing to their improved electrostatic control and scalability. The chapter details design considerations for FinFETs, including challenges faced in both digital and analog circuit applications, and highlights key strategies such as layout optimization and power-performance trade-offs. Additionally, it emphasizes the integration of schematic design, layout, simulation, and foundry-provided design kits for successful FinFET circuit designs.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- FinFET circuit design requires discrete fin sizing, advanced layout practices, and new design methodologies.
- Digital FinFET circuits benefit from low leakage and high speed, while analog circuits face matching and sizing challenges.
- Successful design involves tight integration between schematic, layout, and simulation, along with foundry-provided FinFET PDKs.
Key Concepts
- -- FinFET
- A type of field-effect transistor that uses a 3D structure for improved electrostatic control, low leakage, and better scalability compared to traditional planar MOSFETs.
- -- Drive Strength Control
- Managed by adjusting the fin count or replicating transistors in parallel to ensure optimal performance in digital designs.
- -- Layout Considerations
- The specific design rules for FinFETs that need to be adhered to in order to optimize performance and minimize errors in circuit design.
Additional Learning Materials
Supplementary resources to enhance your learning experience.