Question
Download Solution PDFThe layout of NMOS involves a subset of the layers and features set out. For NMOS we require
(A) N-diffusion (Green)
(B) Implant (Yellow)
(C) Polysilicon (Red)
(D) N-diffusion (Blue)
Choose the correct answer from the options given below:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The stick diagram is the symbolic representation of the layout of the transistor. Each layer is represented by a different color as shown below:
| Layer | Color | Representation |
| N diffusion | Green | |
| P diffusion | Yellow | |
| Polysilicon | Red | |
| Metal 1 | Blue | |
| Metal 1 | Magenta | |
| Contact | Black | |
| Buried Contact | Brown | |
| Implant | Dotted yellow | |
| N-well | Dotted Green/Black |
Analysis: Using the above table, we get
(A) N-diffusion- Green
(B) Implant- Yellow
(C) Polysilicon- Red
Hence, only statements (A), (B), and (C) are correct.
Additional Information
Stick Diagram of n-MOS Inverter:
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