The MVS Nanotransistor Model: A Case Study in Compact Modeling
The MVS Nanotransistor Model: A Case Study in Compact Modeling
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1. The MVS Nanotransistor Model: …
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2. This presentation focuses on
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3. Part i MVS model formulation
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4. What is MVS model?
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5. DC Model
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6. Dynamic MVS model
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7. Quasi-ballistic charges
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8. Dynamic MVS model
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9. Dynamic MVS model
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10. References for MVS model equat…
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11. Mathematical issues in mvs mod…
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12. "Smoothness" is key in compact…
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13. Fundamentals: continuity
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14. Fundamentals: differentiabilit…
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15. Causes of non-smoothness in mo…
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16. Causes of non-smoothness in mo…
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17. Example from MVS
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18. Example from MVS
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19. Causes of non-smoothness in mo…
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20. Voltage definitions in MVS mod…
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21. Voltage definitions- abs and m…
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22. Current definition
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23. Gummel Symmetry Test (GST)
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24. In MVS model, current is an od…
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25. First derivative of current wr…
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26. Adding a correction term in Vg…
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27. First derivative of current wr…
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28. First and second derivatives o…
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29. Third derivative of current wi…
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30. Third derivative of current wi…
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31. Third derivative of current wi…
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32. Partitioned charges in MVS mod…
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33. Cgs & Cgd versus Vds Above thr…
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34. Summary
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35. Addressing the issue of smooth…
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36. Smoothing functions
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37. Smoothabs
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38. Smoothsign
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39. Other possible implementations…
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40. Smoothing
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41. What problems do you foresee i…
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42. Problem in first derivative of…
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43. 45 nm device, ε=10-4, ε2=10-…
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44. 45 nm device, ε=10-4, ε2=10-…
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45. Summary: smoothing capacitance…
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46. overflow problems
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47. Overflow problems
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48. Know the right way to calculat…
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49. Know the right way to calculat…
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50. Part II performance-inhibiting…
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51. Avoid
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52. Also avoid
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53. Avoid superfluous assignments
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54. Memory states
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55. Avoid memory/hidden states
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56. Evaluating $exp()
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57. Evaluating $ln()
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58. Avoid extra state variables 
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59. Avoid extra state variables
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60. Avoid extra state variables 
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61. Avoid extra state variables 
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62. Summary
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63. References
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64. Evolution of MVS
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