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18769 Project 3

18769 Project 3. Abhishek Sharma Ankush Kochhar Jeff Wang. 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. 90 th Percentile Chart. Legend. ~ -> short

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18769 Project 3

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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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