13.1 SAMA7G54 SOM Dimensions
| Parameter | Symbol | Common Dimensions | |||
|---|---|---|---|---|---|
| Min | Typ | Max | |||
| Body overall dimensions | X | E | 37.800 | 38.000 | 38.200 |
| Y | D | 29.800 | 30.000 | 30.200 | |
| Pad pitch | e | – | 0.650 | – | |
| PCB thickness | S | 1.450 | 1.600 | 1.750 | |
| Top thickness (PCB and components) | A1 | – | 2.800 | 3.000 | |
| Bottom thickness (PCB and components) | A2 | – | 1.930 | 2.100 | |
| Pad length | Top side | P1t | – | 0.550 | – |
| Bottom side | P1b | – | 0.900 | – | |
| Pad width | P1 | – | 0.450 | – | |
| Pad gap | aaa | – | 0.200 | – | |
| Opening drill diameter | fff | – | 0.300 | – | |
| Pad count | n | – | 190 | – | |
| Test point diameter(1) | jjj | – | 1.000 | – | |
| Test point count | m | – | 5 | – | |
| Pad edge to SOM edge | X | P2a | – | 0.650 | – |
| Y | P2b | – | 0.875 | – | |
| Locating hole diameter(2) | LHd | 1.150 | 1.200 | 1.250 | |
Note:
- Test points placed under the Microchip SAMA7G54 System-On-Module are for production purposes only. No connection to these points is allowed. Avoid any contact with the main board vias or copper areas (see Figure 13-1).
- Locating holes are used for production purposes.