Mechanical Dimensions & Land Pattern (PBGA-272)
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 PBGA-272 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — A42MX36-1BGG272I (PBGA-272)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of A42MX36-1BGG272I (PBGA-272)?
Manufactured by MICROCHIP, the A42MX36-1BGG272I is housed in a PBGA-272 package with 272 pins and a 1.27 mm lead pitch. Key pins include: A1 (MODE: Multiplexed I/O & Peripheral Pin MODE (General)), A2 (GND: Ground Reference Pin (GND)), A3 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)), A4 (WD I/O ,: Multiplexed I/O & Peripheral Pin WD I/O , (General)), A5 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)), A6 (I/O: Multiplexed I/O & Peripheral Pin I/O (General)).
What are the IPC-7351B PCB Footprint dimensions for A42MX36-1BGG272I?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), A42MX36-1BGG272I (PBGA-272) has a nominal body envelope of 27.00 × 27.00 mm, pitch e = 1.27 mm, and 272 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for A42MX36-1BGG272I?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for A42MX36-1BGG272I (MICROCHIP, PBGA-272) 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 (272 pins) & A42MX36 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | MODE | Digital_IO | Signal terminal MODE (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MODE. Supported peripheral buses: General. |
| A2 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| A3 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A4 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| A5 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A6 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A7 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| A8 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| A9 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A10 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A11 | CLKA | Digital_IO | Signal terminal CLKA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: CLKA. Supported peripheral buses: General. |
| A12 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A13 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A14 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A15 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A16 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| A17 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A18 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| A19 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| A20 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| B1 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B2 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B3 | DCLK I/O , | Digital_IO | Signal terminal DCLK I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: DCLK I/O ,. Supported peripheral buses: General. |
| B4 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B5 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B6 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B7 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| B8 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B9 | PRB I/O , | Digital_IO | Signal terminal PRB I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PRB I/O ,. Supported peripheral buses: General. |
| B10 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B11 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B12 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| B13 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B14 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B15 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| B16 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B17 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| B18 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| B19 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| B20 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| C1 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C2 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C3 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| C4 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C5 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| C6 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C7 | QCLKC I/O , | Digital_IO | Signal terminal QCLKC I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: QCLKC I/O ,. Supported peripheral buses: General. |
| C8 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C9 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C10 | CLKB | Digital_IO | Signal terminal CLKB (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: CLKB. Supported peripheral buses: General. |
| C11 | PRA I/O , | Digital_IO | Signal terminal PRA I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PRA I/O ,. Supported peripheral buses: General. |
| C12 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| C13 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C14 | QCLKD I/O , | Digital_IO | Signal terminal QCLKD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: QCLKD I/O ,. Supported peripheral buses: General. |
| C15 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C16 | WD I/O , | Digital_IO | Signal terminal WD I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: WD I/O ,. Supported peripheral buses: General. |
| C17 | SDI I/O , | Digital_IO | Signal terminal SDI I/O , (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SDI I/O ,. Supported peripheral buses: General. |
| C18 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C19 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| C20 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| D1 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| D2 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| D3 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |
| D4 | I/O | Digital_IO | Signal terminal I/O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: I/O. Supported peripheral buses: General. |




