Mechanical Dimensions & Land Pattern (TQFP-64(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-64(10x10) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC18LF6490-I/PT (TQFP-64(10x10))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC18LF6490-I/PT (TQFP-64(10x10))?
Manufactured by MICROCHIP, the PIC18LF6490-I/PT is housed in a TQFP-64(10x10) package with 64 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 2.0V to 5.5V. Key pins include: 1 (LCDBIAS2: Multiplexed I/O & Peripheral Pin LCDBIAS2 (General)), 2 (LCDBIAS1: Multiplexed I/O & Peripheral Pin LCDBIAS1 (General)), 3 (RG0/SEG30: Multiplexed I/O & Peripheral Pin RG0/SEG30 (General)), 4 (RG1/TX2/CK2/SEG29: Multiplexed I/O & Peripheral Pin RG1/TX2/CK2/SEG29 (General)), 5 (RG2/RX2/DT2/SEG28: Multiplexed I/O & Peripheral Pin RG2/RX2/DT2/SEG28 (General)), 6 (RG3/SEG27: Multiplexed I/O & Peripheral Pin RG3/SEG27 (General)).
What are the IPC-7351B PCB Footprint dimensions for PIC18LF6490-I/PT?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC18LF6490-I/PT (TQFP-64(10x10)) has a nominal body envelope of 10.00 × 10.00 mm, pitch e = 0.50 mm, and 64 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC18LF6490-I/PT?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC18LF6490-I/PT (MICROCHIP, TQFP-64(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 (64 pins) & PIC18LF6490 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | LCDBIAS2 | Digital_IO | Signal terminal LCDBIAS2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: LCDBIAS2. Supported peripheral buses: General. |
| 2 | LCDBIAS1 | Digital_IO | Signal terminal LCDBIAS1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: LCDBIAS1. Supported peripheral buses: General. |
| 3 | RG0/SEG30 | Digital_IO | Signal terminal RG0/SEG30 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG0/SEG30. Supported peripheral buses: General. |
| 4 | RG1/TX2/CK2/SEG29 | Digital_IO | Signal terminal RG1/TX2/CK2/SEG29 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG1/TX2/CK2/SEG29. Supported peripheral buses: General. |
| 5 | RG2/RX2/DT2/SEG28 | Digital_IO | Signal terminal RG2/RX2/DT2/SEG28 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG2/RX2/DT2/SEG28. Supported peripheral buses: General. |
| 6 | RG3/SEG27 | Digital_IO | Signal terminal RG3/SEG27 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG3/SEG27. Supported peripheral buses: General. |
| 7 | NC | No_Connect | No Connect (Leave Floating) |
| 8 | RG4/SEG26 | Digital_IO | Signal terminal RG4/SEG26 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RG4/SEG26. Supported peripheral buses: General. |
| 9 | IO4 | Digital_IO | GPIO4 / RTC_GPIO4 / TOUCH4 / ADC1_CH3 |
| 10 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 11 | RF7/SS#/SEG25 | RF_50Ohm | Signal terminal RF7/SS#/SEG25 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF7/SS#/SEG25. Supported peripheral buses: General. |
| 12 | RF6/AN11/SEG24 | RF_50Ohm | Signal terminal RF6/AN11/SEG24 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF6/AN11/SEG24. Supported peripheral buses: General. |
| 13 | RF5/AN10/CVREF/SEG23 | RF_50Ohm | Signal terminal RF5/AN10/CVREF/SEG23 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF5/AN10/CVREF/SEG23. Supported peripheral buses: General. |
| 14 | RF4/AN9/SEG22 | RF_50Ohm | Signal terminal RF4/AN9/SEG22 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF4/AN9/SEG22. Supported peripheral buses: General. |
| 15 | RF3/AN8/SEG21 | RF_50Ohm | Signal terminal RF3/AN8/SEG21 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF3/AN8/SEG21. Supported peripheral buses: General. |
| 16 | RF2/AN7/C1OUT/SEG20 | RF_50Ohm | Signal terminal RF2/AN7/C1OUT/SEG20 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF2/AN7/C1OUT/SEG20. Supported peripheral buses: General. |
| 17 | RF1/AN6/C2OUT/SEG19 | RF_50Ohm | Signal terminal RF1/AN6/C2OUT/SEG19 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF1/AN6/C2OUT/SEG19. Supported peripheral buses: General. |
| 18 | RF0/AN5/SEG18 | RF_50Ohm | Signal terminal RF0/AN5/SEG18 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RF0/AN5/SEG18. Supported peripheral buses: General. |
| 19 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 20 | AVSS | GND | 0V electrical ground return terminal (AVSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 21 | RA3/AN3/VREF+/SEG17 | Analog | Signal terminal RA3/AN3/VREF+/SEG17 (Analog, 2.0V to 5.5V domain). Multiplexed alternate functions: RA3/AN3/VREF+/SEG17. Supported peripheral buses: General. |
| 22 | RA2/AN2/VREF-/SEG16 | Analog | Signal terminal RA2/AN2/VREF-/SEG16 (Analog, 2.0V to 5.5V domain). Multiplexed alternate functions: RA2/AN2/VREF-/SEG16. Supported peripheral buses: General. |
| 23 | 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. |
| 24 | 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. |
| 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 2.0V to 5.5V domain (Max rating: 5.5V). |
| 27 | RA5/AN4/HLVDIN/SEG15 | Digital_IO | Signal terminal RA5/AN4/HLVDIN/SEG15 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RA5/AN4/HLVDIN/SEG15. Supported peripheral buses: General. |
| 28 | RA4/T0CKI/SEG14 | Digital_IO | Signal terminal RA4/T0CKI/SEG14 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RA4/T0CKI/SEG14. Supported peripheral buses: General. |
| 29 | RC1/T1OSI/CCP2(1) | Digital_IO | Signal terminal RC1/T1OSI/CCP2(1) (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC1/T1OSI/CCP2(1). Supported peripheral buses: General. |
| 30 | 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. |
| 31 | 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. |
| 32 | 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. |
| 33 | RC2/CCP1/SEG13 | Digital_IO | Signal terminal RC2/CCP1/SEG13 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC2/CCP1/SEG13. Supported peripheral buses: General. |
| 34 | 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. |
| 35 | 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. |
| 36 | RC5/SDO/SEG12 | Digital_IO | Signal terminal RC5/SDO/SEG12 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RC5/SDO/SEG12. Supported peripheral buses: General. |
| 37 | 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. |
| 38 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.0V to 5.5V domain (Max rating: 5.5V). |
| 39 | IO39 | Digital_IO | General Purpose Digital I/O Pin IO39 |
| 40 | IO40 | Digital_IO | General Purpose Digital I/O Pin IO40 |
| 41 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 42 | 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. |
| 43 | RB5/KBI1 | Digital_IO | Signal terminal RB5/KBI1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB5/KBI1. Supported peripheral buses: General. |
| 44 | RB4/KBI0/SEG11 | Digital_IO | Signal terminal RB4/KBI0/SEG11 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB4/KBI0/SEG11. Supported peripheral buses: General. |
| 45 | RB3/INT3/SEG10 | Digital_IO | Signal terminal RB3/INT3/SEG10 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB3/INT3/SEG10. Supported peripheral buses: General. |
| 46 | RB2/INT2/SEG9 | Digital_IO | Signal terminal RB2/INT2/SEG9 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB2/INT2/SEG9. Supported peripheral buses: General. |
| 47 | RB1/INT1/SEG8 | Digital_IO | Signal terminal RB1/INT1/SEG8 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RB1/INT1/SEG8. Supported peripheral buses: General. |
| 48 | 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. |
| 49 | IO49 | Digital_IO | General Purpose Digital I/O Pin IO49 |
| 50 | IO50 | Digital_IO | General Purpose Digital I/O Pin IO50 |
| 51 | RD5/SEG5 | Digital_IO | Signal terminal RD5/SEG5 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD5/SEG5. Supported peripheral buses: General. |
| 52 | RD4/SEG4 | Digital_IO | Signal terminal RD4/SEG4 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD4/SEG4. Supported peripheral buses: General. |
| 53 | RD3/SEG3 | Digital_IO | Signal terminal RD3/SEG3 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD3/SEG3. Supported peripheral buses: General. |
| 54 | RD2/SEG2 | Digital_IO | Signal terminal RD2/SEG2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD2/SEG2. Supported peripheral buses: General. |
| 55 | RD1/SEG1 | Digital_IO | Signal terminal RD1/SEG1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD1/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 2.0V to 5.5V domain (Max rating: 5.5V). |
| 58 | RD0/SEG0 | Digital_IO | Signal terminal RD0/SEG0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RD0/SEG0. Supported peripheral buses: General. |
| 59 | RE7/CCP2(1)/SEG31 | Digital_IO | Signal terminal RE7/CCP2(1)/SEG31 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE7/CCP2(1)/SEG31. Supported peripheral buses: General. |
| 60 | RE6/COM3 | Digital_IO | Signal terminal RE6/COM3 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE6/COM3. Supported peripheral buses: General. |
| 61 | RE5/COM2 | Digital_IO | Signal terminal RE5/COM2 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE5/COM2. Supported peripheral buses: General. |
| 62 | RE4/COM1 | Digital_IO | Signal terminal RE4/COM1 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: RE4/COM1. Supported peripheral buses: General. |
| 63 | COM0 | Digital_IO | Signal terminal COM0 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: COM0. Supported peripheral buses: General. |
| 64 | LCDBIAS3 | Digital_IO | Signal terminal LCDBIAS3 (I/O, 2.0V to 5.5V domain). Multiplexed alternate functions: LCDBIAS3. Supported peripheral buses: General. |












