Mechanical Dimensions & Land Pattern (DIP-40)
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 DIP-40 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC16F917-I/P (DIP-40)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC16F917-I/P (DIP-40)?
Manufactured by MICROCHIP, the PIC16F917-I/P is housed in a DIP-40 package with 40 pins and a 2.54 mm lead pitch, supporting a VCC supply range of 2.0V-5.5V. Key pins include: 1 (MCLR/VPP: Multiplexed I/O & Peripheral Pin MCLR/VPP (General)), 2 (RA0/AN0/C1-/SEG12: Multiplexed I/O & Peripheral Pin RA0/AN0/C1-/SEG12 (General)), 3 (RA1/AN1/C2-/SEG7: Multiplexed I/O & Peripheral Pin RA1/AN1/C2-/SEG7 (General)), 4 (RA2/AN2/C2+/VREF-/COM2: Multiplexed I/O & Peripheral Pin RA2/AN2/C2+/VREF-/COM2 (General)), 5 (IO2: GPIO2 / RTC_GPIO2 / TOUCH2 / ADC1_CH1), 6 (RA4/C1OUT/T0CKI/SEG4: Multiplexed I/O & Peripheral Pin RA4/C1OUT/T0CKI/SEG4 (General)).
What are the IPC-7351B PCB Footprint dimensions for PIC16F917-I/P?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC16F917-I/P (DIP-40) has a nominal body envelope of 13.74 × 50.26 mm, pitch e = 2.54 mm, and 40 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC16F917-I/P?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC16F917-I/P (MICROCHIP, DIP-40) 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 (40 pins) & PIC16F917 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | MCLR/VPP | Digital_IO | Signal terminal MCLR/VPP (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: MCLR/VPP. Supported peripheral buses: General. |
| 2 | RA0/AN0/C1-/SEG12 | Digital_IO | Signal terminal RA0/AN0/C1-/SEG12 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RA0/AN0/C1-/SEG12. Supported peripheral buses: General. |
| 3 | RA1/AN1/C2-/SEG7 | Digital_IO | Signal terminal RA1/AN1/C2-/SEG7 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RA1/AN1/C2-/SEG7. Supported peripheral buses: General. |
| 4 | RA2/AN2/C2+/VREF-/COM2 | Analog | Signal terminal RA2/AN2/C2+/VREF-/COM2 (Analog, 2.0V-5.5V domain). Multiplexed alternate functions: RA2/AN2/C2+/VREF-/COM2. Supported peripheral buses: General. |
| 5 | IO2 | Digital_IO | GPIO2 / RTC_GPIO2 / TOUCH2 / ADC1_CH1 |
| 6 | RA4/C1OUT/T0CKI/SEG4 | Digital_IO | Signal terminal RA4/C1OUT/T0CKI/SEG4 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RA4/C1OUT/T0CKI/SEG4. Supported peripheral buses: General. |
| 7 | RA5/AN4/C2OUT/SS/SEG5 | Digital_IO | Signal terminal RA5/AN4/C2OUT/SS/SEG5 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RA5/AN4/C2OUT/SS/SEG5. Supported peripheral buses: General. |
| 8 | RE0/AN5/SEG21 | Digital_IO | Signal terminal RE0/AN5/SEG21 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RE0/AN5/SEG21. Supported peripheral buses: General. |
| 9 | RE1/AN6/SEG22 | Digital_IO | Signal terminal RE1/AN6/SEG22 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RE1/AN6/SEG22. Supported peripheral buses: General. |
| 10 | RE2/AN7/SEG23 | Digital_IO | Signal terminal RE2/AN7/SEG23 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RE2/AN7/SEG23. Supported peripheral buses: General. |
| 11 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.0V-5.5V domain (Max rating: 5.5V). |
| 12 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 13 | RA7/OSC1/CLKIN/T1OSI | Digital_IO | Signal terminal RA7/OSC1/CLKIN/T1OSI (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RA7/OSC1/CLKIN/T1OSI. Supported peripheral buses: RTC/CLK. |
| 14 | RA6/OSC2/CLKOUT/T1OSO | Digital_IO | Signal terminal RA6/OSC2/CLKOUT/T1OSO (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RA6/OSC2/CLKOUT/T1OSO. Supported peripheral buses: RTC/CLK. |
| 15 | RC0/VLCD1 | Digital_IO | Signal terminal RC0/VLCD1 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC0/VLCD1. Supported peripheral buses: General. |
| 16 | RC1/VLCD2 | Digital_IO | Signal terminal RC1/VLCD2 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC1/VLCD2. Supported peripheral buses: General. |
| 17 | RC2/VLCD3 | Digital_IO | Signal terminal RC2/VLCD3 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC2/VLCD3. Supported peripheral buses: General. |
| 18 | RC3/SEG6 | Digital_IO | Signal terminal RC3/SEG6 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC3/SEG6. Supported peripheral buses: General. |
| 19 | RD0/COM3 | Digital_IO | Signal terminal RD0/COM3 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD0/COM3. Supported peripheral buses: General. |
| 20 | RD1 | Digital_IO | Signal terminal RD1 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD1. Supported peripheral buses: General. |
| 21 | RD2/CCP2 | Digital_IO | Signal terminal RD2/CCP2 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD2/CCP2. Supported peripheral buses: General. |
| 22 | RD3/SEG16 | Digital_IO | Signal terminal RD3/SEG16 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD3/SEG16. Supported peripheral buses: General. |
| 23 | RC4/T1G/SDO/SEG11 | Digital_IO | Signal terminal RC4/T1G/SDO/SEG11 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC4/T1G/SDO/SEG11. Supported peripheral buses: General. |
| 24 | RC5/T1CKI/CCP1/SEG10 | Digital_IO | Signal terminal RC5/T1CKI/CCP1/SEG10 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC5/T1CKI/CCP1/SEG10. Supported peripheral buses: General. |
| 25 | RC6/TX/CK/SCK/SCL/SEG9 | Digital_IO | Signal terminal RC6/TX/CK/SCK/SCL/SEG9 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC6/TX/CK/SCK/SCL/SEG9. Supported peripheral buses: SPI, I2C. |
| 26 | RC7/RX/DT/SDI/SDA/SEG8 | Digital_IO | Signal terminal RC7/RX/DT/SDI/SDA/SEG8 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RC7/RX/DT/SDI/SDA/SEG8. Supported peripheral buses: I2C. |
| 27 | RD4/SEG17 | Digital_IO | Signal terminal RD4/SEG17 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD4/SEG17. Supported peripheral buses: General. |
| 28 | RD5/SEG18 | Digital_IO | Signal terminal RD5/SEG18 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD5/SEG18. Supported peripheral buses: General. |
| 29 | RD6/SEG19 | Digital_IO | Signal terminal RD6/SEG19 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD6/SEG19. Supported peripheral buses: General. |
| 30 | RD7/SEG20 | Digital_IO | Signal terminal RD7/SEG20 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RD7/SEG20. 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-5.5V domain (Max rating: 5.5V). |
| 33 | RB0/INT/SEG0 | Digital_IO | Signal terminal RB0/INT/SEG0 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RB0/INT/SEG0. Supported peripheral buses: General. |
| 34 | RB1/SEG1 | Digital_IO | Signal terminal RB1/SEG1 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RB1/SEG1. Supported peripheral buses: General. |
| 35 | RB2/SEG2 | Digital_IO | Signal terminal RB2/SEG2 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RB2/SEG2. Supported peripheral buses: General. |
| 36 | RB3/SEG3 | Digital_IO | Signal terminal RB3/SEG3 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RB3/SEG3. Supported peripheral buses: General. |
| 37 | RB4/COM0 | Digital_IO | Signal terminal RB4/COM0 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RB4/COM0. Supported peripheral buses: General. |
| 38 | RB5/COM1 | Digital_IO | Signal terminal RB5/COM1 (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: RB5/COM1. Supported peripheral buses: General. |
| 39 | ICDCLK | Digital_IO | Signal terminal ICDCLK (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: ICDCLK. Supported peripheral buses: General. |
| 40 | ICDDATA | Digital_IO | Signal terminal ICDDATA (I/O, 2.0V-5.5V domain). Multiplexed alternate functions: ICDDATA. Supported peripheral buses: General. |










![PIC16F917-I/P (DIP-40) — DS41250F-page 310 © 2007 Microchip Technology Inc. | 44-Lead Plastic Quad Flat, No Lead Package (ML) - 8x8 mm Body [QFN] | Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.m](/api/v1/assets/C50405/extracted/figures/p312_fig01.png)
![PIC16F917-I/P (DIP-40) — © 2007 Microchip Technology Inc. DS41250F-page 311 | 28-Lead Plastic Small Outline (SO) - Wide, 7.50 mm Body [SOIC] | Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microc](/api/v1/assets/C50405/extracted/figures/p313_fig01.png)