Mechanical Dimensions & Land Pattern (TQFP-80(12x12))
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-80(12x12) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC18F8527-I/PT (TQFP-80(12x12))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC18F8527-I/PT (TQFP-80(12x12))?
Manufactured by MICROCHIP, the PIC18F8527-I/PT is housed in a TQFP-80(12x12) package with 80 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 2.0V to 5.5V. Key pins include: 1 (RH2/A18: Multiplexed I/O & Peripheral Pin RH2/A18 (General)), 2 (RH3/A19: Multiplexed I/O & Peripheral Pin RH3/A19 (General)), 3 (RE1/AD9/WR#/P2C: Multiplexed I/O & Peripheral Pin RE1/AD9/WR#/P2C (General)), 4 (RE0/AD8/RD#/P2D: Multiplexed I/O & Peripheral Pin RE0/AD8/RD#/P2D (General)), 5 (RG0/ECCP3/P3A: Multiplexed I/O & Peripheral Pin RG0/ECCP3/P3A (General)), 6 (RG1/TX2/CK2: Multiplexed I/O & Peripheral Pin RG1/TX2/CK2 (General)).
What are the IPC-7351B PCB Footprint dimensions for PIC18F8527-I/PT?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC18F8527-I/PT (TQFP-80(12x12)) has a nominal body envelope of 12.00 × 12.00 mm, pitch e = 0.50 mm, and 80 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC18F8527-I/PT?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC18F8527-I/PT (MICROCHIP, TQFP-80(12x12)) 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) & PIC18F8527 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | RH2/A18 | Digital_IO | Signal terminal RH2/A18 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RH2/A18. Supported peripheral buses: General. |
| 2 | RH3/A19 | Digital_IO | Signal terminal RH3/A19 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RH3/A19. Supported peripheral buses: General. |
| 3 | RE1/AD9/WR#/P2C | Digital_IO | Signal terminal RE1/AD9/WR#/P2C (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE1/AD9/WR#/P2C. Supported peripheral buses: General. |
| 4 | RE0/AD8/RD#/P2D | Digital_IO | Signal terminal RE0/AD8/RD#/P2D (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE0/AD8/RD#/P2D. Supported peripheral buses: General. |
| 5 | RG0/ECCP3/P3A | Digital_IO | Signal terminal RG0/ECCP3/P3A (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG0/ECCP3/P3A. Supported peripheral buses: General. |
| 6 | RG1/TX2/CK2 | Digital_IO | Signal terminal RG1/TX2/CK2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG1/TX2/CK2. Supported peripheral buses: General. |
| 7 | NC | No_Connect | No Connect (Leave Floating) |
| 8 | RG3/CCP4/P3D | Digital_IO | Signal terminal RG3/CCP4/P3D (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG3/CCP4/P3D. Supported peripheral buses: General. |
| 9 | IO4 | Digital_IO | GPIO4 / RTC_GPIO4 / TOUCH4 / ADC1_CH3 |
| 10 | RG4/CCP5/P1D | Digital_IO | Signal terminal RG4/CCP5/P1D (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG4/CCP5/P1D. Supported peripheral buses: General. |
| 11 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 12 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 13 | RF7/SS1@ | RF_50Ohm | Signal terminal RF7/SS1@ (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF7/SS1@. Supported peripheral buses: General. |
| 14 | RF6/AN11 | RF_50Ohm | Signal terminal RF6/AN11 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF6/AN11. Supported peripheral buses: General. |
| 15 | RF5/AN10/CVREF | RF_50Ohm | Signal terminal RF5/AN10/CVREF (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF5/AN10/CVREF. Supported peripheral buses: General. |
| 16 | RF4/AN9 | RF_50Ohm | Signal terminal RF4/AN9 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF4/AN9. Supported peripheral buses: General. |
| 17 | RF3/AN8 | RF_50Ohm | Signal terminal RF3/AN8 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF3/AN8. Supported peripheral buses: General. |
| 18 | RF2/AN7/C1OUT | RF_50Ohm | Signal terminal RF2/AN7/C1OUT (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF2/AN7/C1OUT. Supported peripheral buses: General. |
| 19 | RH7/AN15/P1B(2) | Digital_IO | Signal terminal RH7/AN15/P1B(2) (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RH7/AN15/P1B(2). Supported peripheral buses: General. |
| 20 | RH6/AN14/P1C(2) | Digital_IO | Signal terminal RH6/AN14/P1C(2) (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RH6/AN14/P1C(2). Supported peripheral buses: General. |
| 21 | RH5/AN13/P3B(2) | Digital_IO | Signal terminal RH5/AN13/P3B(2) (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RH5/AN13/P3B(2). Supported peripheral buses: General. |
| 22 | RH4/AN12/P3C(2) | Digital_IO | Signal terminal RH4/AN12/P3C(2) (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RH4/AN12/P3C(2). Supported peripheral buses: General. |
| 23 | RF1/AN6/C2OUT | RF_50Ohm | Signal terminal RF1/AN6/C2OUT (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF1/AN6/C2OUT. Supported peripheral buses: General. |
| 24 | RF0/AN5 | RF_50Ohm | Signal terminal RF0/AN5 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF0/AN5. Supported peripheral buses: General. |
| 25 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 26 | AVSS | GND | 0V electrical ground return terminal (AVSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 27 | 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. |
| 28 | RA2/AN2/VREF- | Analog | Signal terminal RA2/AN2/VREF- (Analog, 2.0V to 5.5V domain). Multiplexed alternate functions: RA2/AN2/VREF-. Supported peripheral buses: General. |
| 29 | 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. |
| 30 | 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. |
| 31 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 32 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 33 | RA5/AN4/HLVDIN | Digital_IO | Signal terminal RA5/AN4/HLVDIN (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RA5/AN4/HLVDIN. Supported peripheral buses: General. |
| 34 | RA4/T0CKI | Digital_IO | Signal terminal RA4/T0CKI (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RA4/T0CKI. Supported peripheral buses: General. |
| 35 | IO35 | Digital_IO | General Purpose Digital I/O Pin IO35 |
| 36 | RC0/T1OSO/T13CKI | Digital_IO | Signal terminal RC0/T1OSO/T13CKI (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC0/T1OSO/T13CKI. Supported peripheral buses: General. |
| 37 | RC6/TX1/CK1 | Digital_IO | Signal terminal RC6/TX1/CK1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC6/TX1/CK1. Supported peripheral buses: General. |
| 38 | RC7/RX1/DT1 | Digital_IO | Signal terminal RC7/RX1/DT1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC7/RX1/DT1. Supported peripheral buses: General. |
| 39 | IO39 | Digital_IO | General Purpose Digital I/O Pin IO39 |
| 40 | IO40 | Digital_IO | General Purpose Digital I/O Pin IO40 |
| 41 | RJ6/LB# | Digital_IO | Signal terminal RJ6/LB# (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RJ6/LB#. Supported peripheral buses: General. |
| 42 | RJ7/UB# | Digital_IO | Signal terminal RJ7/UB# (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RJ7/UB#. Supported peripheral buses: General. |
| 43 | RC2/ECCP1/P1A | Digital_IO | Signal terminal RC2/ECCP1/P1A (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC2/ECCP1/P1A. Supported peripheral buses: General. |
| 44 | RC3/SCK1/SCL1 | Digital_IO | Signal terminal RC3/SCK1/SCL1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC3/SCK1/SCL1. Supported peripheral buses: SPI, I2C. |
| 45 | RC4/SDI1/SDA1 | Digital_IO | Signal terminal RC4/SDI1/SDA1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC4/SDI1/SDA1. Supported peripheral buses: I2C. |
| 46 | RC5/SDO1 | Digital_IO | Signal terminal RC5/SDO1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC5/SDO1. Supported peripheral buses: General. |
| 47 | 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. |
| 48 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 49 | IO49 | Digital_IO | General Purpose Digital I/O Pin IO49 |
| 50 | IO50 | Digital_IO | General Purpose Digital I/O Pin IO50 |
| 51 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 52 | 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. |
| 53 | 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. |
| 54 | RB4/KBI0 | Digital_IO | Signal terminal RB4/KBI0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB4/KBI0. Supported peripheral buses: General. |
| 55 | IO55 | Digital_IO | General Purpose Digital I/O Pin IO55 |
| 56 | RB2/INT2 | Digital_IO | Signal terminal RB2/INT2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB2/INT2. Supported peripheral buses: General. |
| 57 | RB1/INT1 | Digital_IO | Signal terminal RB1/INT1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB1/INT1. Supported peripheral buses: General. |
| 58 | RB0/INT0 | Digital_IO | Signal terminal RB0/INT0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB0/INT0. Supported peripheral buses: General. |
| 59 | RJ3/WRH# | Digital_IO | Signal terminal RJ3/WRH# (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RJ3/WRH#. Supported peripheral buses: General. |
| 60 | RJ2/WRL# | Digital_IO | Signal terminal RJ2/WRL# (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RJ2/WRL#. Supported peripheral buses: General. |
| 61 | RJ1/OE# | Digital_IO | Signal terminal RJ1/OE# (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RJ1/OE#. Supported peripheral buses: General. |
| 62 | RJ0/ALE | Digital_IO | Signal terminal RJ0/ALE (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RJ0/ALE. Supported peripheral buses: General. |
| 63 | RD7/AD7/PSP7/SS2# | Digital_IO | Signal terminal RD7/AD7/PSP7/SS2# (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD7/AD7/PSP7/SS2#. Supported peripheral buses: General. |
| 64 | RD6/AD6/PSP6/SCK2/SCL2 | Digital_IO | Signal terminal RD6/AD6/PSP6/SCK2/SCL2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD6/AD6/PSP6/SCK2/SCL2. Supported peripheral buses: SPI, I2C. |












