# Design Documentation for sg13g2_a21o_1

## Substrate
GOLDEN STANDARD

```
  012345678901
4 NNNNNNNNNNNN
3 NNNNNNNNNNNN
2 NNNNNNNNNNNN
1 NNNNNNNNNNNN
0 NNNNNNNNNNNN
9 NNNNNNNNNNNN
8 NNNNNNNNNNNN
7 SSSSSSSSSSSS
6 SSSSSSSSSSSS
5 SSSSSSSSSSSS
4 SSSSSSSSSSSS
3 SSSSSSSSSSSS
2 SSSSSSSSSSSS
1 SSSSSSSSSSSS
0 SSSSSSSSSSSS
```
Legend: N=N-Well, S=Substrate

## Active
GOLDEN STANDARD

```
  012345678901
4 pppppppppppp
3 NNNNNNNNNNNN
2 NppppppppppN
1 NppppppppppN
0 NppppppppppN
9 NppppppppppN
8 NppppppppppN
7 SSSSSSSSSSSS
6 SSSSSSSSSSSS
5 SSSSSSSSSSSS
4 SnnnnnnnnnnS
3 SnnnnnnnnnnS
2 SnnnnnnnnnnS
1 SSSSSSSSSSSS
0 nnnnnnnnnnnn
```
Legend: n=NMOS Active, p=PMOS Active, S=Substrate fill (P), N=Substrate fill (N)

## Polysilicon
GOLDEN STANDARD

```
  012345678901
4
3   G   G G G
2   G   G G G
1   G   G G G
0   G   G G G
9   G   G G G
8   G   G G G
7   G   G G G
6   GGG G G G
5     G G G G
4     G G G G
3     G G G G
2     G G G G
1     G G G GG
0
```
Legend: G=Polysilicon

## Metal 1
GOLDEN STANDARD

```
  012345678901
4 &+&+&+&+&+&+
3    +     +
2  o & c c & c
1  O + C C + C
0  o & c c & c
9  O + C C   C
8  o & c cCCCc
7  O   C
6  OcCCCi i
5  O   CCC --_
4  O     C -
3  OOo   c -
2      _   -Ti
1      -   -
0 -_-_-_-_-_-_
```
Legend: +/&=VDD, -/_=VSS, I/i=Metal 1 Input, O/o=Metal 1 Output, c/i/o/&/_=Connection (upper side)

## Connectivity Matrix

| Silicon | VDD | VSS | Input1 | Internal1 | Internal2 | Internal3 | Internal4 | Internal5 | Internal6 | Output1 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NMOS1 |   | X |   |   |   |   |   |   |   |   |
| NMOS2 |   | X |   | X |   |   |   |   |   | X |
| PMOS1 | X |   |   |   |   |   |   |   |   | X |
| PMOS2 | X |   |   |   | X | X | X |   |   |   |
| PMOS3 | X |   |   |   |   |   |   |   |   |   |
| Poly1 |   | X | X |   |   |   | X | X | X |   |
| Poly2 |   |   |   |   | X |   |   |   |   |   |
| Poly3 |   |   |   |   |   |   |   |   |   |   |
| Poly4 | X |   |   |   |   |   |   |   |   |   |

## Silicon Neighbourhood

| Silicon | Poly1 | Poly2 | Poly3 | Poly4 |
| --- | --- | --- | --- | --- |
| NMOS1 |   |   |   |   |
| NMOS2 | O | N |   |   |
| PMOS1 |   | O |   |   |
| PMOS2 | O |   | O | O |
| PMOS3 |   |   |   |   |