CSE 252A Integrated Circuit Layout Automation

1
CSE 252A Integrated Circuit Layout Automation

• Lecture 2 ITRS Roadmap and Lower Power Design
  Methodology
• Winter 2009
• Chung-Kuan Cheng

2
Agenda

• Scaling
• ITRS Roadmap

3
Scaling -- Gate
Drain
Scaling Factor is S
Drain
Gate
Source
Source
4
Scaling -- Gate

• Capacitance is proportional to S
• Voltage is proportional to S
• Frequency is inverse proportional to S

5
Scaling Transmission Line
W
W
6
Interconnect

• Ways to reduce interconnect power consumption
• Shorter wire length
• More spacing
• Clock gating