Mechanical Dimensions & Land Pattern (PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL)
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 PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — COM5016-5P (PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of COM5016-5P (PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL)?
Manufactured by MICROCHIP, the COM5016-5P is housed in a PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL package with 18 pins and a 2.54 mm lead pitch. Key pins include: 1 (XTAL/EXT1: Multiplexed I/O & Peripheral Pin XTAL/EXT1 (RTC/CLK)), 2 (+5V: Power Supply Input (+5V — 3.3V / 5.0V Standard Logic)), 3 (FR: Multiplexed I/O & Peripheral Pin FR (General)), 4 (RA: Multiplexed I/O & Peripheral Pin RA (General)), 5 (RB: Multiplexed I/O & Peripheral Pin RB (General)), 6 (RC: Multiplexed I/O & Peripheral Pin RC (General)).
What are the IPC-7351B PCB Footprint dimensions for COM5016-5P?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), COM5016-5P (PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL) has a nominal body envelope of 6.35 × 22.32 mm, pitch e = 2.54 mm, and 18 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for COM5016-5P?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for COM5016-5P (MICROCHIP, PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL) 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 (18 pins) & COM5016 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | XTAL/EXT1 | Digital_IO | Signal terminal XTAL/EXT1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XTAL/EXT1. Supported peripheral buses: RTC/CLK. |
| 2 | +5V | Power_In | Primary positive power supply input (+5V) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| 3 | FR | Digital_IO | Signal terminal FR (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: FR. Supported peripheral buses: General. |
| 4 | RA | Digital_IO | Signal terminal RA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RA. Supported peripheral buses: General. |
| 5 | RB | Digital_IO | Signal terminal RB (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RB. Supported peripheral buses: General. |
| 6 | RC | Digital_IO | Signal terminal RC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RC. Supported peripheral buses: General. |
| 7 | RD | Digital_IO | Signal terminal RD (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RD. Supported peripheral buses: General. |
| 8 | STR | Digital_IO | Signal terminal STR (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: STR. Supported peripheral buses: General. |
| 9 | +12V | Digital_IO | Signal terminal +12V (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: +12V. Supported peripheral buses: General. |
| 10 | FX/4* | Digital_IO | Signal terminal FX/4* (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: FX/4*. Supported peripheral buses: General. |
| 11 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 12 | STT | Digital_IO | Signal terminal STT (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: STT. Supported peripheral buses: General. |
| 13 | TD | Digital_IO | Signal terminal TD (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TD. Supported peripheral buses: General. |
| 14 | TC | Digital_IO | Signal terminal TC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TC. Supported peripheral buses: General. |
| 15 | TB | Digital_IO | Signal terminal TB (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TB. Supported peripheral buses: General. |
| 16 | TA | Digital_IO | Signal terminal TA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TA. Supported peripheral buses: General. |
| 17 | FT | Digital_IO | Signal terminal FT (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: FT. Supported peripheral buses: General. |
| 18 | XTAL/EXT2 | Digital_IO | Signal terminal XTAL/EXT2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XTAL/EXT2. Supported peripheral buses: RTC/CLK. |


