Mechanical Dimensions & Land Pattern (TQFP-44(10x10))
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 TQFP-44(10x10) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC18F4220-I/PT (TQFP-44(10x10))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC18F4220-I/PT (TQFP-44(10x10))?
Manufactured by MICROCHIP, the PIC18F4220-I/PT is housed in a TQFP-44(10x10) package with 44 pins and a 0.80 mm lead pitch, supporting a VCC supply range of 2.0V to 5.5V. Key pins include: 1 (RC7/RX/DT: Multiplexed I/O & Peripheral Pin RC7/RX/DT (General)), 2 (RD4/PSP4: Multiplexed I/O & Peripheral Pin RD4/PSP4 (General)), 3 (RD5/PSP5/P1B: Multiplexed I/O & Peripheral Pin RD5/PSP5/P1B (General)), 4 (RD6/PSP6/P1C: Multiplexed I/O & Peripheral Pin RD6/PSP6/P1C (General)), 5 (RD7/PSP7/P1D: Multiplexed I/O & Peripheral Pin RD7/PSP7/P1D (General)), 6 (VSS: Ground Reference Pin (VSS)).
What are the IPC-7351B PCB Footprint dimensions for PIC18F4220-I/PT?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC18F4220-I/PT (TQFP-44(10x10)) has a nominal body envelope of 10.00 × 10.00 mm, pitch e = 0.80 mm, and 44 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC18F4220-I/PT?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC18F4220-I/PT (MICROCHIP, TQFP-44(10x10)) 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 (44 pins) & PIC18F4220 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | RC7/RX/DT | Digital_IO | Signal terminal RC7/RX/DT (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC7/RX/DT. Supported peripheral buses: General. |
| 2 | RD4/PSP4 | Digital_IO | Signal terminal RD4/PSP4 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD4/PSP4. Supported peripheral buses: General. |
| 3 | RD5/PSP5/P1B | Digital_IO | Signal terminal RD5/PSP5/P1B (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD5/PSP5/P1B. Supported peripheral buses: General. |
| 4 | RD6/PSP6/P1C | Digital_IO | Signal terminal RD6/PSP6/P1C (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD6/PSP6/P1C. Supported peripheral buses: General. |
| 5 | RD7/PSP7/P1D | Digital_IO | Signal terminal RD7/PSP7/P1D (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD7/PSP7/P1D. Supported peripheral buses: General. |
| 6 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 7 | Vdd | Power_In | Primary positive power supply input (Vdd) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 8 | RB0/AN12/INT0 | Digital_IO | Signal terminal RB0/AN12/INT0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB0/AN12/INT0. Supported peripheral buses: General. |
| 9 | RB1/AN10/INT1 | Digital_IO | Signal terminal RB1/AN10/INT1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB1/AN10/INT1. Supported peripheral buses: General. |
| 10 | RB2/AN8/INT2 | Digital_IO | Signal terminal RB2/AN8/INT2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB2/AN8/INT2. Supported peripheral buses: General. |
| 11 | RB3/AN9/CCP2* | Digital_IO | Signal terminal RB3/AN9/CCP2* (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB3/AN9/CCP2*. Supported peripheral buses: General. |
| 12 | NC | NC | Signal terminal NC (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: NC. Supported peripheral buses: General. |
| 13 | NC | NC | Signal terminal NC (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: NC. Supported peripheral buses: General. |
| 14 | RB4/AN11/KBI0 | Digital_IO | Signal terminal RB4/AN11/KBI0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB4/AN11/KBI0. Supported peripheral buses: General. |
| 15 | RB5/KBI1/PGM | Digital_IO | Signal terminal RB5/KBI1/PGM (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB5/KBI1/PGM. Supported peripheral buses: General. |
| 16 | RB6/KBI2/PGC | Digital_IO | Signal terminal RB6/KBI2/PGC (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB6/KBI2/PGC. Supported peripheral buses: General. |
| 17 | RB7/KBI3/PGD | Digital_IO | Signal terminal RB7/KBI3/PGD (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB7/KBI3/PGD. Supported peripheral buses: General. |
| 18 | #MCLR/VPP/RE3 | Digital_IO | Signal terminal #MCLR/VPP/RE3 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: #MCLR/VPP/RE3. Supported peripheral buses: General. |
| 19 | RA0/AN0 | Digital_IO | Signal terminal RA0/AN0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RA0/AN0. Supported peripheral buses: General. |
| 20 | RA1/AN1 | Digital_IO | Signal terminal RA1/AN1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RA1/AN1. Supported peripheral buses: General. |
| 21 | RA2/AN2/VREF-/CVREF | Analog | Signal terminal RA2/AN2/VREF-/CVREF (Analog, 2.0V to 5.5V domain). Multiplexed alternate functions: RA2/AN2/VREF-/CVREF. Supported peripheral buses: General. |
| 22 | RA3/AN3/VREF+ | Analog | Signal terminal RA3/AN3/VREF+ (Analog, 2.0V to 5.5V domain). Multiplexed alternate functions: RA3/AN3/VREF+. Supported peripheral buses: General. |
| 23 | RA4/T0CKI/C1OUT | Digital_IO | Signal terminal RA4/T0CKI/C1OUT (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RA4/T0CKI/C1OUT. Supported peripheral buses: General. |
| 24 | IO13 | Digital_IO | GPIO13 / RTC_GPIO13 / TOUCH13 / ADC2_CH2 / FSPIQ |
| 25 | RE0/AN5/#RD | Digital_IO | Signal terminal RE0/AN5/#RD (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE0/AN5/#RD. Supported peripheral buses: General. |
| 26 | RE1/AN6/#WR | Digital_IO | Signal terminal RE1/AN6/#WR (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE1/AN6/#WR. Supported peripheral buses: General. |
| 27 | RE2/AN7/#CS | Digital_IO | Signal terminal RE2/AN7/#CS (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE2/AN7/#CS. Supported peripheral buses: General. |
| 28 | Vdd | Power_In | Primary positive power supply input (Vdd) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 29 | Vss | GND | 0V electrical ground return terminal (Vss) for internal core logic, I/O drivers, and analog sub-blocks. |
| 30 | OSC1/CLKI/RA7 | Digital_IO | Signal terminal OSC1/CLKI/RA7 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: OSC1/CLKI/RA7. Supported peripheral buses: RTC/CLK. |
| 31 | OSC2/CLKO/RA6 | Digital_IO | Signal terminal OSC2/CLKO/RA6 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: OSC2/CLKO/RA6. Supported peripheral buses: RTC/CLK. |
| 32 | RC0/T1OSO/T1CKI | Digital_IO | Signal terminal RC0/T1OSO/T1CKI (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC0/T1OSO/T1CKI. Supported peripheral buses: General. |
| 33 | NC | NC | Signal terminal NC (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: NC. Supported peripheral buses: General. |
| 34 | NC | NC | Signal terminal NC (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: NC. Supported peripheral buses: General. |
| 35 | RC1/T1OSI/CCP2* | Digital_IO | Signal terminal RC1/T1OSI/CCP2* (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC1/T1OSI/CCP2*. Supported peripheral buses: General. |
| 36 | RC2/CCP1/P1A | Digital_IO | Signal terminal RC2/CCP1/P1A (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC2/CCP1/P1A. Supported peripheral buses: General. |
| 37 | RC3/SCK/SCL | Digital_IO | Signal terminal RC3/SCK/SCL (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC3/SCK/SCL. Supported peripheral buses: SPI, I2C. |
| 38 | RD0/PSP0 | Digital_IO | Signal terminal RD0/PSP0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD0/PSP0. Supported peripheral buses: General. |
| 39 | RD1/PSP1 | Digital_IO | Signal terminal RD1/PSP1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD1/PSP1. Supported peripheral buses: General. |
| 40 | RD2/PSP2 | Digital_IO | Signal terminal RD2/PSP2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD2/PSP2. Supported peripheral buses: General. |
| 41 | RD3/PSP3 | Digital_IO | Signal terminal RD3/PSP3 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD3/PSP3. Supported peripheral buses: General. |
| 42 | RC4/SDI/SDA | Digital_IO | Signal terminal RC4/SDI/SDA (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC4/SDI/SDA. Supported peripheral buses: I2C. |
| 43 | RC5/SDO | Digital_IO | Signal terminal RC5/SDO (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC5/SDO. Supported peripheral buses: General. |
| 44 | RC6/TX/CK | Digital_IO | Signal terminal RC6/TX/CK (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC6/TX/CK. Supported peripheral buses: General. |











