1. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Interconnect and Communication

2. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Impact of Interconnect Parasitics

3. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Modern Interconnect

4. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Nature of Interconnect Global Interconnect S Local = S Technology S Global = S Die Source: Intel

5. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Nature of Interconnect

6. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Capacitive interconnect

7. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Capacitance: The Parallel Plate Model C int =є ox /t ox WL

8. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Typical Wiring Capacitance Values

9. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Fringing Capacitance

10. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Fringing Capacitance: Values

11. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Interwire Capacitance

12. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Interwire Capacitance

13. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Impact of Interwire Capacitance

14. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Capacitive Crosstalk

15. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect How to Battle Capacitive Crosstalk

16. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Resistive interconnect

17. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Wire Resistance

18. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Interconnect Resistance

19. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Dealing with Resistance

20. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect RC-Delay

21. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect RC-Models

22. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Reducing RC-delay Repeater

23. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect The Elmore Delay R1 R2 R3 v in v out C1C2C3  elmore =C3(R1+R2+R3) + C2(R1+R2) + C1(R1)

24. Elettronica T AA 2010-2011 Digital Integrated Circuits © Prentice Hall 2003 Interconnect Penfield-Rubinstein-Horowitz R1 R2 R3 v in v out C1C2C3  elmore =C3(R1+R2+R3) + C5(R1+R2) + C2(R1+R2) + C4(R1) + C1(R1) R4 R5 C4 C5