Mechanical Dimensions & Land Pattern (QFN-56-EP(8x8))
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 QFN-56-EP(8x8) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — ZL30263LDF1 (QFN-56-EP(8x8))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of ZL30263LDF1 (QFN-56-EP(8x8))?
Manufactured by MICROCHIP, the ZL30263LDF1 is housed in a QFN-56-EP(8x8) package with 57 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 1.5V to 3.3V. Key pins include: 1 (1: Multiplexed I/O & Peripheral Pin 1 (General)), 2 (OC3P: Multiplexed I/O & Peripheral Pin OC3P (General)), 3 (OC3N: Multiplexed I/O & Peripheral Pin OC3N (General)), 4 (VDDL: Power Supply Input (VDDL — 1.5V to 3.3V)), 5 (OC2N: Multiplexed I/O & Peripheral Pin OC2N (General)), 6 (OC2P: Multiplexed I/O & Peripheral Pin OC2P (General)).
What are the IPC-7351B PCB Footprint dimensions for ZL30263LDF1?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), ZL30263LDF1 (QFN-56-EP(8x8)) has a nominal body envelope of 8.00 × 8.00 mm, pitch e = 0.50 mm, and 57 copper pads plus a central exposed thermal pad (EPAD) of 6.40 × 6.40 mm with a 60% IPC-7525 windowed solder paste grid.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for ZL30263LDF1?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for ZL30263LDF1 (MICROCHIP, QFN-56-EP(8x8)) 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 (57 pins) & ZL30263 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | 1 | Digital_IO | Signal terminal 1 (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: 1. Supported peripheral buses: General. |
| 2 | OC3P | Digital_IO | Signal terminal OC3P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC3P. Supported peripheral buses: General. |
| 3 | OC3N | Digital_IO | Signal terminal OC3N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC3N. Supported peripheral buses: General. |
| 4 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 5 | OC2N | Digital_IO | Signal terminal OC2N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC2N. Supported peripheral buses: General. |
| 6 | OC2P | Digital_IO | Signal terminal OC2P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC2P. Supported peripheral buses: General. |
| 7 | VDDOA | Power_In | Primary positive power supply input (VDDOA) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 8 | OC1P | Digital_IO | Signal terminal OC1P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC1P. Supported peripheral buses: General. |
| 9 | OC1N | Digital_IO | Signal terminal OC1N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC1N. Supported peripheral buses: General. |
| 10 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 11 | VDDH | Power_In | Primary positive power supply input (VDDH) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 12 | XA | Digital_IO | Signal terminal XA (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: XA. Supported peripheral buses: General. |
| 13 | XB | Digital_IO | Signal terminal XB (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: XB. Supported peripheral buses: General. |
| 14 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 15 | IC1P | Digital_IO | Signal terminal IC1P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: IC1P. Supported peripheral buses: General. |
| 16 | IC1N | Digital_IO | Signal terminal IC1N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: IC1N. Supported peripheral buses: General. |
| 17 | VDDH | Power_In | Primary positive power supply input (VDDH) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 18 | IC2P | Digital_IO | Signal terminal IC2P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: IC2P. Supported peripheral buses: General. |
| 19 | IC2N | Digital_IO | Signal terminal IC2N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: IC2N. Supported peripheral buses: General. |
| 20 | IC3P | Digital_IO | Signal terminal IC3P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: IC3P. Supported peripheral buses: General. |
| 21 | TEST/GPIO3 | Digital_IO | Signal terminal TEST/GPIO3 (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: TEST/GPIO3. Supported peripheral buses: CAN. |
| 22 | AC1/GPIO1 | Digital_IO | Signal terminal AC1/GPIO1 (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: AC1/GPIO1. Supported peripheral buses: General. |
| 23 | AC0/GPIO0 | Digital_IO | Signal terminal AC0/GPIO0 (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: AC0/GPIO0. Supported peripheral buses: General. |
| 24 | SCL/SCLK | Digital_IO | Signal terminal SCL/SCLK (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: SPICLOCK. Supported peripheral buses: SPI, I2C. |
| 25 | SDA/MOSI | Digital_IO | Signal terminal SDA/MOSI (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: SPIMASTER. Supported peripheral buses: SPI, I2C. |
| 26 | IF1/MISO | Digital_IO | Signal terminal IF1/MISO (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: SPIMASTER, SPIMISO, SPIS. Supported peripheral buses: SPI. |
| 27 | IF0/CSN | Digital_IO | Signal terminal IF0/CSN (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: SPICHIPSELECT. Supported peripheral buses: SPI. |
| 28 | AC2/GPIO2 | Digital_IO | Signal terminal AC2/GPIO2 (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: AC2/GPIO2. Supported peripheral buses: General. |
| 29 | RSTN | Digital_IO | Signal terminal RSTN (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: RSTN. Supported peripheral buses: General. |
| 30 | VDDIO | Power_In | Primary positive power supply input (VDDIO) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 31 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 32 | VDDH | Power_In | Primary positive power supply input (VDDH) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 33 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 34 | OC10N | Digital_IO | Signal terminal OC10N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC10N. Supported peripheral buses: General. |
| 35 | OC10P | Digital_IO | Signal terminal OC10P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC10P. Supported peripheral buses: General. |
| 36 | VDDOF | Power_In | Primary positive power supply input (VDDOF) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 37 | OC9P | Digital_IO | Signal terminal OC9P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC9P. Supported peripheral buses: General. |
| 38 | OC9N | Digital_IO | Signal terminal OC9N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC9N. Supported peripheral buses: General. |
| 39 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 40 | OC8N | Digital_IO | Signal terminal OC8N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC8N. Supported peripheral buses: General. |
| 41 | OC8P | Digital_IO | Signal terminal OC8P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC8P. Supported peripheral buses: General. |
| 42 | VDDH | Power_In | Primary positive power supply input (VDDH) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 43 | VDDOE | Power_In | Primary positive power supply input (VDDOE) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 44 | OC7N | Digital_IO | Signal terminal OC7N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC7N. Supported peripheral buses: General. |
| 45 | OC7P | Digital_IO | Signal terminal OC7P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC7P. Supported peripheral buses: General. |
| 46 | VDDOD | Power_In | Primary positive power supply input (VDDOD) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 47 | OC6P | Digital_IO | Signal terminal OC6P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC6P. Supported peripheral buses: General. |
| 48 | OC6N | Digital_IO | Signal terminal OC6N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC6N. Supported peripheral buses: General. |
| 49 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 50 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 51 | VDDL | Power_In | Primary positive power supply input (VDDL) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 52 | OC5N | Digital_IO | Signal terminal OC5N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC5N. Supported peripheral buses: General. |
| 53 | OC5P | Digital_IO | Signal terminal OC5P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC5P. Supported peripheral buses: General. |
| 54 | VDDOC | Power_In | Primary positive power supply input (VDDOC) operating in the 1.5V to 3.3V domain (Max rating: 3.3V). |
| 55 | OC4P | Digital_IO | Signal terminal OC4P (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC4P. Supported peripheral buses: General. |
| 56 | OC4N | Digital_IO | Signal terminal OC4N (I/O, 1.5V to 3.3V domain). Multiplexed alternate functions: OC4N. Supported peripheral buses: General. |
| 57 | EP | GND | Bottom exposed die attach pad (EP) providing primary thermal conduction path to the PCB and low-inductance 0V ground return. |






