Mechanical Dimensions & Land Pattern (SOIC-8-208mil)
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 SOIC-8-208mil | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC12C509A-04I/SM (SOIC-8-208mil)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC12C509A-04I/SM (SOIC-8-208mil)?
Manufactured by MICROCHIP, the PIC12C509A-04I/SM is housed in a SOIC-8-208mil package with 8 pins and a 1.27 mm lead pitch. Key pins include: 1 (VDD: Power Supply Input (VDD — 3.3V / 5.0V Standard Logic)), 2 (GP5/OSC1/CLKIN: Multiplexed I/O & Peripheral Pin GP5/OSC1/CLKIN (RTC/CLK)), 3 (GP4/OSC2: Multiplexed I/O & Peripheral Pin GP4/OSC2 (RTC/CLK)), 4 (GP3/MCLR/VPP: Multiplexed I/O & Peripheral Pin GP3/MCLR/VPP (CAN)), 5 (GP2/T0CKI: Multiplexed I/O & Peripheral Pin GP2/T0CKI (CAN)), 6 (GP1: Multiplexed I/O & Peripheral Pin GP1 (CAN)).
What are the IPC-7351B PCB Footprint dimensions for PIC12C509A-04I/SM?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC12C509A-04I/SM (SOIC-8-208mil) has a nominal body envelope of 5.30 × 5.30 mm, pitch e = 1.27 mm, and 8 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC12C509A-04I/SM?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC12C509A-04I/SM (MICROCHIP, SOIC-8-208mil) 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 (8 pins) & PIC12C509A Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| 2 | GP5/OSC1/CLKIN | Digital_IO | Signal terminal GP5/OSC1/CLKIN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GP5/OSC1/CLKIN. Supported peripheral buses: RTC/CLK. |
| 3 | GP4/OSC2 | Digital_IO | Signal terminal GP4/OSC2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GP4/OSC2. Supported peripheral buses: RTC/CLK. |
| 4 | GP3/MCLR/VPP | Digital_IO | Signal terminal GP3/MCLR/VPP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GP3/MCLR/VPP. Supported peripheral buses: CAN. |
| 5 | GP2/T0CKI | Digital_IO | Signal terminal GP2/T0CKI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GP2/T0CKI. Supported peripheral buses: CAN. |
| 6 | GP1 | Digital_IO | Signal terminal GP1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GP1. Supported peripheral buses: CAN. |
| 7 | GP0 | Digital_IO | Signal terminal GP0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GP0. Supported peripheral buses: CAN. |
| 8 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |










