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Failure Modes Analysis for Electronic Circuits using 90th Percentile Chart

This project delves into possible failure mechanisms in active and poly components, covering open and short circuits, contact failures, and via issues. The study involves the 90th percentile chart legend and various parameters for analysis.

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Failure Modes Analysis for Electronic Circuits using 90th Percentile Chart

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  1. 18769 Project 3 Abhishek Sharma AnkushKochhar Jeff Wang

  2. Possible Failure Mechanisms • Active (AA) Open • Active (AA) Short • Poly Open • Poly Short • Contact to AA Open • Contact to Poly Open • M1 Open • M1 Short • M2 Open • M2 Short • Via Open

  3. 90th Percentile Chart

  4. Legend • ~ -> short • Cx -> C[column] • Cxy -> C [row][column] •  -> VDD~GND • AP(N)1 = active at P(N)MOS • M1.VDD.cell = vert. VDD M1 • M1.VDD.rail = horiz. VDD M1

  5. 1 4 2 3

  6. 6 5

  7. 4 2 1 3 3

  8. 2 1 5 3 4

  9. 7 6 9 8 10

  10. 1 3 5 5 2 6 4 1

  11. 1 4 3 2

  12. 6 5 7

  13. 9 8

  14. 12 13 10 11

  15. Assuming external VDD from left side of VDD rail: 2 3 1 Assuming external VDD from both sides of VDD rail:

  16. 4 5

  17. 6 8 7 9 9

  18. Assuming external WL signal from left side of WL rail: 10 11 12

  19. Assuming external WL signal from both sides of WL rail: 13

  20. 14 15

  21. 1 2 3 4

  22. Assuming external read/write from top: 1 2 2

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