Mechanical Dimensions & Land Pattern (QFN-64-EP(9x9))
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 QFN-64-EP(9x9) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC16F1947-I/MR (QFN-64-EP(9x9))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC16F1947-I/MR (QFN-64-EP(9x9))?
Manufactured by MICROCHIP, the PIC16F1947-I/MR is housed in a QFN-64-EP(9x9) package with 65 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 1.8V-5.5V. Key pins include: 1 (Y: Multiplexed I/O & Peripheral Pin Y (General)), 2 (Y: Multiplexed I/O & Peripheral Pin Y (General)), 3 (—: Multiplexed I/O & Peripheral Pin — (General)), 4 (Y: Multiplexed I/O & Peripheral Pin Y (General)), 5 (Y: Multiplexed I/O & Peripheral Pin Y (General)), 6 (Y: Multiplexed I/O & Peripheral Pin Y (General)).
What are the IPC-7351B PCB Footprint dimensions for PIC16F1947-I/MR?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC16F1947-I/MR (QFN-64-EP(9x9)) has a nominal body envelope of 9.00 × 9.00 mm, pitch e = 0.50 mm, and 65 copper pads plus a central exposed thermal pad (EPAD) of 5.45 × 5.45 mm with a 60% IPC-7525 windowed solder paste grid.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC16F1947-I/MR?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC16F1947-I/MR (MICROCHIP, QFN-64-EP(9x9)) 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 (65 pins) & PIC16F1947 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 2 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 3 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 4 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 5 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 6 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 7 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 8 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 9 | Vss | GND | 0V electrical ground return terminal (Vss) for internal core logic, I/O drivers, and analog sub-blocks. |
| 10 | Vdd | Power_In | Primary positive power supply input (Vdd) operating in the 1.8V-5.5V domain (Max rating: 5.5V). |
| 11 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 12 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 13 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 14 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 15 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 16 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 17 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 18 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |
| 19 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 20 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 21 | SEG35 | Digital_IO | Signal terminal SEG35 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG35. Supported peripheral buses: General. |
| 22 | SEG34 | Digital_IO | Signal terminal SEG34 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG34. Supported peripheral buses: General. |
| 23 | SEG18 | Digital_IO | Signal terminal SEG18 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG18. Supported peripheral buses: General. |
| 24 | SEG33 | Digital_IO | Signal terminal SEG33 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG33. Supported peripheral buses: General. |
| 25 | Vss | GND | 0V electrical ground return terminal (Vss) for internal core logic, I/O drivers, and analog sub-blocks. |
| 26 | Vdd | Power_In | Primary positive power supply input (Vdd) operating in the 1.8V-5.5V domain (Max rating: 5.5V). |
| 27 | SEG15 | Digital_IO | Signal terminal SEG15 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG15. Supported peripheral buses: General. |
| 28 | SEG14 | Digital_IO | Signal terminal SEG14 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG14. Supported peripheral buses: General. |
| 29 | SEG32 | Digital_IO | Signal terminal SEG32 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG32. Supported peripheral buses: General. |
| 30 | SEG40 | Digital_IO | Signal terminal SEG40 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG40. Supported peripheral buses: General. |
| 31 | SEG27 | Digital_IO | Signal terminal SEG27 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG27. Supported peripheral buses: General. |
| 32 | SEG28 | Digital_IO | Signal terminal SEG28 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG28. Supported peripheral buses: General. |
| 33 | SEG13 | Digital_IO | Signal terminal SEG13 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG13. Supported peripheral buses: General. |
| 34 | SEG17 | Digital_IO | Signal terminal SEG17 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG17. Supported peripheral buses: General. |
| 35 | SEG16 | Digital_IO | Signal terminal SEG16 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG16. Supported peripheral buses: General. |
| 36 | SEG12 | Digital_IO | Signal terminal SEG12 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG12. Supported peripheral buses: General. |
| 37 | SEG39 | Digital_IO | Signal terminal SEG39 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG39. Supported peripheral buses: General. |
| 38 | Vdd | Power_In | Primary positive power supply input (Vdd) operating in the 1.8V-5.5V domain (Max rating: 5.5V). |
| 39 | SEG37 | Digital_IO | Signal terminal SEG37 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG37. Supported peripheral buses: General. |
| 40 | SEG36 | Digital_IO | Signal terminal SEG36 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG36. Supported peripheral buses: General. |
| 41 | Vss | GND | 0V electrical ground return terminal (Vss) for internal core logic, I/O drivers, and analog sub-blocks. |
| 42 | SEG38 | Digital_IO | Signal terminal SEG38 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG38. Supported peripheral buses: General. |
| 43 | SEG29 | Digital_IO | Signal terminal SEG29 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG29. Supported peripheral buses: General. |
| 44 | SEG11 | Digital_IO | Signal terminal SEG11 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG11. Supported peripheral buses: General. |
| 45 | SEG10 | Digital_IO | Signal terminal SEG10 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG10. Supported peripheral buses: General. |
| 46 | SEG9 | Digital_IO | Signal terminal SEG9 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG9. Supported peripheral buses: General. |
| 47 | SEG8 | Digital_IO | Signal terminal SEG8 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG8. Supported peripheral buses: General. |
| 48 | SEG30 | Digital_IO | Signal terminal SEG30 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG30. Supported peripheral buses: General. |
| 49 | SEG7 | Digital_IO | Signal terminal SEG7 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG7. Supported peripheral buses: General. |
| 50 | SEG6 | Digital_IO | Signal terminal SEG6 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG6. Supported peripheral buses: General. |
| 51 | SEG5 | Digital_IO | Signal terminal SEG5 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG5. Supported peripheral buses: General. |
| 52 | SEG4 | Digital_IO | Signal terminal SEG4 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG4. Supported peripheral buses: General. |
| 53 | SEG3 | Digital_IO | Signal terminal SEG3 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG3. Supported peripheral buses: General. |
| 54 | SEG2 | Digital_IO | Signal terminal SEG2 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG2. Supported peripheral buses: General. |
| 55 | SEG1 | Digital_IO | Signal terminal SEG1 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG1. Supported peripheral buses: General. |
| 56 | Vss | GND | 0V electrical ground return terminal (Vss) for internal core logic, I/O drivers, and analog sub-blocks. |
| 57 | Vdd | Power_In | Primary positive power supply input (Vdd) operating in the 1.8V-5.5V domain (Max rating: 5.5V). |
| 58 | SEG0 | Digital_IO | Signal terminal SEG0 (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: SEG0. Supported peripheral buses: General. |
| 59 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 60 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 61 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 62 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 63 | — | Digital_IO | Signal terminal — (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| 64 | Y | Digital_IO | Signal terminal Y (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: Y. Supported peripheral buses: General. |













