Mechanical Dimensions & Land Pattern (TFBGA-324)
Extracted from Datasheet & IPC-7351B NormalizedRecommended Companion BOM & Drop-In Equivalents
Passive external components per reference schematic and 1:1 pin-compatible alternatives| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit TFBGA-324 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — ATSAMA5D31A-CFUR (TFBGA-324)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of ATSAMA5D31A-CFUR (TFBGA-324)?
Manufactured by MICROCHIP, the ATSAMA5D31A-CFUR is housed in a TFBGA-324 package with 324 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 3.0V to 3.6V. Key pins include: A1 (VDDIOM: Power Supply Input (VDDIOM — 3.0V to 3.6V)), A2 (VDDIOM: Power Supply Input (VDDIOM — 3.0V to 3.6V)), A3 (VDDIOM: Power Supply Input (VDDIOM — 3.0V to 3.6V)), A4 (VDDIOM: Power Supply Input (VDDIOM — 3.0V to 3.6V)), A5 (VDDIODDR: Power Supply Input (VDDIODDR — 3.0V to 3.6V)), A6 (VDDIOM: Power Supply Input (VDDIOM — 3.0V to 3.6V)).
What are the IPC-7351B PCB Footprint dimensions for ATSAMA5D31A-CFUR?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), ATSAMA5D31A-CFUR (TFBGA-324) has a nominal body envelope of 12.00 × 12.00 mm, pitch e = 0.50 mm, and 324 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for ATSAMA5D31A-CFUR?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for ATSAMA5D31A-CFUR (MICROCHIP, TFBGA-324) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.
Static Reference Appendix: Pinout Table (324 pins) & ATSAMA5D31A Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A2 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A3 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A4 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A5 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A6 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A7 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A8 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A9 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A10 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A11 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A12 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A13 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A14 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A15 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A16 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A17 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A18 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A19 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A20 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A21 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| A22 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B1 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B2 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B3 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B4 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B5 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B6 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B7 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B8 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B9 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B10 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B11 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B12 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B13 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B14 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B15 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B16 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B17 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B18 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B19 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B20 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B21 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| B22 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C1 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C2 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C3 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C4 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C5 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C6 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C7 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C8 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C9 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C10 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C11 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C12 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C13 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C14 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C15 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C16 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C17 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C18 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C19 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |
| C20 | VDDIODDR | Power_In | Primary positive power supply input (VDDIODDR) operating in the 3.0V to 3.6V domain (Max rating: 3.6V). |





