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Digital Integrated Circuits© Prentice Hall 1995 Interconnect COPING WITH INTERCONNECT.

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Presentation on theme: "Digital Integrated Circuits© Prentice Hall 1995 Interconnect COPING WITH INTERCONNECT."— Presentation transcript:

1 Digital Integrated Circuits© Prentice Hall 1995 Interconnect COPING WITH INTERCONNECT

2 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Impact of Interconnect Parasitics

3 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Nature of Interconnect

4 Digital Integrated Circuits© Prentice Hall 1995 Interconnect INTERCONNECT

5 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Capacitance: The Parallel Plate Model

6 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Typical Wiring Capacitance Values

7 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Fringing Capacitance

8 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Fringing Capacitance: Values

9 Digital Integrated Circuits© Prentice Hall 1995 Interconnect How to counter Clock Skew?

10 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Interwire Capacitance

11 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Interwire Capacitance

12 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Impact of Interwire Capacitance

13 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Capacitance Crosstalk

14 Digital Integrated Circuits© Prentice Hall 1995 Interconnect How to Battle Capacitive Crosstalk

15 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Driving Large Capacitances

16 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Using Cascaded Buffers

17 Digital Integrated Circuits© Prentice Hall 1995 Interconnect t p in function of u and x

18 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Impact of Cascading Buffers

19 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Output Driver Design

20 Digital Integrated Circuits© Prentice Hall 1995 Interconnect How to Design Large Transistors

21 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Bonding Pad Design Bonding Pad Out In V DD GND 100  m GND Out

22 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Reducing the swing Reducing the swing potentially yields linear reduction in delay Also results in reduction in power dissipation Requires use of “sense amplifier” to restore signal level

23 Digital Integrated Circuits© Prentice Hall 1995 Interconnect INTERCONNECT

24 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Wire Resistance

25 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Interconnect Resistance

26 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Dealing with Resistance

27 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Polycide Gate Mosfet

28 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Modern Interconnect

29 Digital Integrated Circuits© Prentice Hall 1995 Interconnect RI Introduced Noise

30 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Power and Ground Distribution

31 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Electromigration (1)

32 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Electromigration (2)

33 Digital Integrated Circuits© Prentice Hall 1995 Interconnect RC-Delay

34 Digital Integrated Circuits© Prentice Hall 1995 Interconnect RC-Models

35 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Reducing RC-delay Repeater

36 Digital Integrated Circuits© Prentice Hall 1995 Interconnect The Ellmore Delay

37 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Penfield-Rubinstein-Horowitz

38 Digital Integrated Circuits© Prentice Hall 1995 Interconnect INTERCONNECT

39 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Inductive Effects in Integrated Circuits

40 Digital Integrated Circuits© Prentice Hall 1995 Interconnect L di/dt

41 Digital Integrated Circuits© Prentice Hall 1995 Interconnect L di/dt: Simulation

42 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Choosing the Right Pin

43 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Decoupling Capacitors

44 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Packaging

45 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Bonding Techniques

46 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Tape-Automated Bonding (TAB)

47 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Flip-Chip Bonding

48 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Package-to-Board Interconnect

49 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Package Types

50 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Package Parameters

51 Digital Integrated Circuits© Prentice Hall 1995 Interconnect Multi-Chip Modules


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