Mechanical Dimensions & Land Pattern (FQFP-80(14x20))
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 FQFP-80(14x20) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — CH365P (FQFP-80(14x20))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of CH365P (FQFP-80(14x20))?
Manufactured by WCH, the CH365P is housed in a FQFP-80(14x20) package with 80 pins and a 0.80 mm lead pitch. Key pins include: 1 (GND: Ground Reference Pin (GND)), 2 (PCI_AD19: Multiplexed I/O & Peripheral Pin PCI_AD19 (General)), 3 (PCI_AD18: Multiplexed I/O & Peripheral Pin PCI_AD18 (General)), 4 (PCI_AD17: Multiplexed I/O & Peripheral Pin PCI_AD17 (General)), 5 (PCI_AD16: Multiplexed I/O & Peripheral Pin PCI_AD16 (General)), 6 (PCI_CBE2: Multiplexed I/O & Peripheral Pin PCI_CBE2 (General)).
What are the IPC-7351B PCB Footprint dimensions for CH365P?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), CH365P (FQFP-80(14x20)) has a nominal body envelope of 14.00 × 20.00 mm, pitch e = 0.80 mm, and 80 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for CH365P?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for CH365P (WCH, FQFP-80(14x20)) 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 (80 pins) & CH365 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 2 | PCI_AD19 | Digital_IO | Signal terminal PCI_AD19 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD19. Supported peripheral buses: General. |
| 3 | PCI_AD18 | Digital_IO | Signal terminal PCI_AD18 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD18. Supported peripheral buses: General. |
| 4 | PCI_AD17 | Digital_IO | Signal terminal PCI_AD17 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD17. Supported peripheral buses: General. |
| 5 | PCI_AD16 | Digital_IO | Signal terminal PCI_AD16 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD16. Supported peripheral buses: General. |
| 6 | PCI_CBE2 | Digital_IO | Signal terminal PCI_CBE2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_CBE2. Supported peripheral buses: General. |
| 7 | PCI_FRAME | Digital_IO | Signal terminal PCI_FRAME (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_FRAME. Supported peripheral buses: General. |
| 8 | PCI_IRDY | Digital_IO | Signal terminal PCI_IRDY (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_IRDY. Supported peripheral buses: General. |
| 9 | PCI_TRDY | Digital_IO | Signal terminal PCI_TRDY (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_TRDY. Supported peripheral buses: General. |
| 10 | PCI_DEVSEL | Digital_IO | Signal terminal PCI_DEVSEL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_DEVSEL. Supported peripheral buses: General. |
| 11 | PCI_INTA | Digital_IO | Signal terminal PCI_INTA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_INTA. Supported peripheral buses: General. |
| 12 | PCI_PAR | Digital_IO | Signal terminal PCI_PAR (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_PAR. Supported peripheral buses: General. |
| 13 | PCI_CBE1 | Digital_IO | Signal terminal PCI_CBE1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_CBE1. Supported peripheral buses: General. |
| 14 | PCI_AD15 | Digital_IO | Signal terminal PCI_AD15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD15. Supported peripheral buses: General. |
| 15 | PCI_AD14 | Digital_IO | Signal terminal PCI_AD14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD14. Supported peripheral buses: General. |
| 16 | PCI_AD13 | Digital_IO | Signal terminal PCI_AD13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD13. Supported peripheral buses: General. |
| 17 | PCI_AD12 | Digital_IO | Signal terminal PCI_AD12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD12. Supported peripheral buses: General. |
| 18 | PCI_AD11 | Digital_IO | Signal terminal PCI_AD11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD11. Supported peripheral buses: General. |
| 19 | PCI_AD10 | Digital_IO | Signal terminal PCI_AD10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD10. Supported peripheral buses: General. |
| 20 | VCC | Power_In | Primary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| 21 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 22 | PCI_AD9 | Digital_IO | Signal terminal PCI_AD9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD9. Supported peripheral buses: General. |
| 23 | PCI_AD8 | Digital_IO | Signal terminal PCI_AD8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD8. Supported peripheral buses: General. |
| 24 | PCI_CBE0 | Digital_IO | Signal terminal PCI_CBE0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_CBE0. Supported peripheral buses: General. |
| 25 | PCI_AD7 | Digital_IO | Signal terminal PCI_AD7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD7. Supported peripheral buses: General. |
| 26 | PCI_AD6 | Digital_IO | Signal terminal PCI_AD6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD6. Supported peripheral buses: General. |
| 27 | PCI_AD5 | Digital_IO | Signal terminal PCI_AD5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD5. Supported peripheral buses: General. |
| 28 | PCI_AD4 | Digital_IO | Signal terminal PCI_AD4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD4. Supported peripheral buses: General. |
| 29 | PCI_AD3 | Digital_IO | Signal terminal PCI_AD3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD3. Supported peripheral buses: General. |
| 30 | PCI_AD2 | Digital_IO | Signal terminal PCI_AD2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD2. Supported peripheral buses: General. |
| 31 | PCI_AD1 | Digital_IO | Signal terminal PCI_AD1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD1. Supported peripheral buses: General. |
| 32 | PCI_AD0 | Digital_IO | Signal terminal PCI_AD0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PCI_AD0. Supported peripheral buses: General. |
| 33 | P33 | Digital_IO | Signal terminal P33 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P33. Supported peripheral buses: General. |
| 34 | P34 | Digital_IO | Signal terminal P34 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P34. Supported peripheral buses: General. |
| 35 | P35 | Digital_IO | Signal terminal P35 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P35. Supported peripheral buses: General. |
| 36 | P36 | Digital_IO | Signal terminal P36 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P36. Supported peripheral buses: General. |
| 37 | P37 | Digital_IO | Signal terminal P37 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P37. Supported peripheral buses: General. |
| 38 | P38 | Digital_IO | Signal terminal P38 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P38. Supported peripheral buses: General. |
| 39 | P39 | Digital_IO | Signal terminal P39 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P39. Supported peripheral buses: General. |
| 40 | P40 | Digital_IO | Signal terminal P40 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P40. Supported peripheral buses: General. |
| 41 | P41 | Digital_IO | Signal terminal P41 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P41. Supported peripheral buses: General. |
| 42 | P42 | Digital_IO | Signal terminal P42 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P42. Supported peripheral buses: General. |
| 43 | P43 | Digital_IO | Signal terminal P43 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P43. Supported peripheral buses: General. |
| 44 | P44 | Digital_IO | Signal terminal P44 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P44. Supported peripheral buses: General. |
| 45 | P45 | Digital_IO | Signal terminal P45 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P45. Supported peripheral buses: General. |
| 46 | P46 | Digital_IO | Signal terminal P46 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P46. Supported peripheral buses: General. |
| 47 | P47 | Digital_IO | Signal terminal P47 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P47. Supported peripheral buses: General. |
| 48 | P48 | Digital_IO | Signal terminal P48 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P48. Supported peripheral buses: General. |
| 49 | P49 | Digital_IO | Signal terminal P49 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P49. Supported peripheral buses: General. |
| 50 | P50 | Digital_IO | Signal terminal P50 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P50. Supported peripheral buses: General. |
| 51 | P51 | Digital_IO | Signal terminal P51 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P51. Supported peripheral buses: General. |
| 52 | P52 | Digital_IO | Signal terminal P52 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P52. Supported peripheral buses: General. |
| 53 | P53 | Digital_IO | Signal terminal P53 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P53. Supported peripheral buses: General. |
| 54 | P54 | Digital_IO | Signal terminal P54 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P54. Supported peripheral buses: General. |
| 55 | P55 | Digital_IO | Signal terminal P55 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P55. Supported peripheral buses: General. |
| 56 | P56 | Digital_IO | Signal terminal P56 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P56. Supported peripheral buses: General. |
| 57 | P57 | Digital_IO | Signal terminal P57 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P57. Supported peripheral buses: General. |
| 58 | P58 | Digital_IO | Signal terminal P58 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P58. Supported peripheral buses: General. |
| 59 | P59 | Digital_IO | Signal terminal P59 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P59. Supported peripheral buses: General. |
| 60 | P60 | Digital_IO | Signal terminal P60 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P60. Supported peripheral buses: General. |
| 61 | P61 | Digital_IO | Signal terminal P61 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P61. Supported peripheral buses: General. |
| 62 | P62 | Digital_IO | Signal terminal P62 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P62. Supported peripheral buses: General. |
| 63 | P63 | Digital_IO | Signal terminal P63 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P63. Supported peripheral buses: General. |
| 64 | P64 | Digital_IO | Signal terminal P64 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P64. Supported peripheral buses: General. |
