Mechanical Dimensions & Land Pattern (QFN-68(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-68(8x8) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — CH32H417WEU6 (QFN-68(8x8))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of CH32H417WEU6 (QFN-68(8x8))?
Manufactured by WCH, the CH32H417WEU6 is housed in a QFN-68(8x8) package with 69 pins and a 0.40 mm lead pitch. Key pins include: 1 (V DD33: Multiplexed I/O & Peripheral Pin V DD33 (General)), 2 (PE3: Multiplexed I/O & Peripheral Pin PE3 (General)), 3 (PE4: Multiplexed I/O & Peripheral Pin PE4 (General)), 4 (PE5: Multiplexed I/O & Peripheral Pin PE5 (General)), 5 (PE6: Multiplexed I/O & Peripheral Pin PE6 (General)), 6 (V DDK: Multiplexed I/O & Peripheral Pin V DDK (General)).
What are the IPC-7351B PCB Footprint dimensions for CH32H417WEU6?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), CH32H417WEU6 (QFN-68(8x8)) has a nominal body envelope of 8.00 × 8.00 mm, pitch e = 0.40 mm, and 69 copper pads plus a central exposed thermal pad (EPAD) of 5.80 × 5.80 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 CH32H417WEU6?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for CH32H417WEU6 (WCH, QFN-68(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 (69 pins) & CH32H417 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | V DD33 | Digital_IO | Signal terminal V DD33 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: V DD33. Supported peripheral buses: General. |
| 2 | PE3 | Digital_IO | Signal terminal PE3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE3. Supported peripheral buses: General. |
| 3 | PE4 | Digital_IO | Signal terminal PE4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE4. Supported peripheral buses: General. |
| 4 | PE5 | Digital_IO | Signal terminal PE5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE5. Supported peripheral buses: General. |
| 5 | PE6 | Digital_IO | Signal terminal PE6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE6. Supported peripheral buses: General. |
| 6 | V DDK | Digital_IO | Signal terminal V DDK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: V DDK. Supported peripheral buses: General. |
| 7 | MDIRN | Digital_IO | Signal terminal MDIRN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MDIRN. Supported peripheral buses: General. |
| 8 | MDIRP | Digital_IO | Signal terminal MDIRP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MDIRP. Supported peripheral buses: General. |
| 9 | MDITN | Digital_IO | Signal terminal MDITN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MDITN. Supported peripheral buses: General. |
| 10 | MDITP | Digital_IO | Signal terminal MDITP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MDITP. Supported peripheral buses: General. |
| 11 | V DD33 | Digital_IO | Signal terminal V DD33 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: V DD33. Supported peripheral buses: General. |
| 12 | VDD33 | Power_In | Primary positive power supply input (VDD33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| 13 | XI | Digital_IO | Signal terminal XI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XI. Supported peripheral buses: RTC/CLK. |
| 14 | XO | Digital_IO | Signal terminal XO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XO. Supported peripheral buses: RTC/CLK. |
| 15 | PC0/ADC10/HSADC0 | Analog | Signal terminal PC0/ADC10/HSADC0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC0/ADC10/HSADC0. Supported peripheral buses: ADC. |
| 16 | PC1/ADC11/HSADC1 | Analog | Signal terminal PC1/ADC11/HSADC1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC1/ADC11/HSADC1. Supported peripheral buses: ADC. |
| 17 | PC2/ADC12/HSADC2 | Analog | Signal terminal PC2/ADC12/HSADC2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC2/ADC12/HSADC2. Supported peripheral buses: ADC. |
| 18 | PC3/ADC13/HSADC3 | Analog | Signal terminal PC3/ADC13/HSADC3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC3/ADC13/HSADC3. Supported peripheral buses: ADC. |
| 19 | VDD33A | Power_In | Primary positive power supply input (VDD33A) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| 20 | PA5/ADC5/OP1_O1/DAC2 | Analog | Signal terminal PA5/ADC5/OP1_O1/DAC2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA5/ADC5/OP1_O1/DAC2. Supported peripheral buses: ADC, DAC. |
| 21 | PB0/ADC8/OP1_P0/CMP_P0 | Analog | Signal terminal PB0/ADC8/OP1_P0/CMP_P0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB0/ADC8/OP1_P0/CMP_P0. Supported peripheral buses: ADC. |
| 22 | PB1/ADC9/OP1_N0/CMP_N0 | Analog | Signal terminal PB1/ADC9/OP1_N0/CMP_N0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB1/ADC9/OP1_N0/CMP_N0. Supported peripheral buses: ADC. |
| 23 | PE13 | Digital_IO | Signal terminal PE13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE13. Supported peripheral buses: General. |
| 24 | PE14 | Digital_IO | Signal terminal PE14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE14. Supported peripheral buses: General. |
| 25 | PE15 | Digital_IO | Signal terminal PE15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE15. Supported peripheral buses: General. |
| 26 | PB10 | Digital_IO | Signal terminal PB10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB10. Supported peripheral buses: General. |
| 27 | PB11 | Digital_IO | Signal terminal PB11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB11. Supported peripheral buses: General. |
| 28 | VIO18 | Digital_IO | Signal terminal VIO18 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VIO18. Supported peripheral buses: General. |
| 29 | VDDIO | Power_In | Primary positive power supply input (VDDIO) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| 30 | PB12 | Digital_IO | Signal terminal PB12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB12. Supported peripheral buses: General. |
| 31 | PB13 | Digital_IO | Signal terminal PB13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB13. Supported peripheral buses: General. |
| 32 | PB14 | Digital_IO | Signal terminal PB14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB14. Supported peripheral buses: General. |
| 33 | PD10 | Digital_IO | Signal terminal PD10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD10. Supported peripheral buses: General. |
| 34 | PD11 | Digital_IO | Signal terminal PD11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD11. Supported peripheral buses: General. |
| 35 | PD12 | Digital_IO | Signal terminal PD12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD12. Supported peripheral buses: General. |
| 36 | PD13 | Digital_IO | Signal terminal PD13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD13. Supported peripheral buses: General. |
| 37 | PD14 | Digital_IO | Signal terminal PD14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD14. Supported peripheral buses: General. |
| 38 | PD15 | Digital_IO | Signal terminal PD15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD15. Supported peripheral buses: General. |
| 39 | PF0 | Digital_IO | Signal terminal PF0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF0. Supported peripheral buses: General. |
| 40 | PF1 | Digital_IO | Signal terminal PF1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF1. Supported peripheral buses: General. |
| 41 | PF2 | Digital_IO | Signal terminal PF2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF2. Supported peripheral buses: General. |
| 42 | PC6 | Digital_IO | Signal terminal PC6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC6. Supported peripheral buses: General. |
| 43 | PC7 | Digital_IO | Signal terminal PC7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC7. Supported peripheral buses: General. |
| 44 | PC8 | Digital_IO | Signal terminal PC8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC8. Supported peripheral buses: General. |
| 45 | PC9 | Digital_IO | Signal terminal PC9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC9. Supported peripheral buses: General. |
| 46 | PA13 | Digital_IO | Signal terminal PA13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA13. Supported peripheral buses: General. |
| 47 | PA14 | Digital_IO | Signal terminal PA14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA14. Supported peripheral buses: General. |
| 48 | PA15 | Digital_IO | Signal terminal PA15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA15. Supported peripheral buses: General. |
| 49 | PC10 | Digital_IO | Signal terminal PC10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC10. Supported peripheral buses: General. |
| 50 | PC11 | Digital_IO | Signal terminal PC11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC11. Supported peripheral buses: General. |
| 51 | PC12 | Digital_IO | Signal terminal PC12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC12. Supported peripheral buses: General. |
| 52 | PD0 | Digital_IO | Signal terminal PD0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD0. Supported peripheral buses: General. |
| 53 | PD1 | Digital_IO | Signal terminal PD1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD1. Supported peripheral buses: General. |
| 54 | PD2 | Digital_IO | Signal terminal PD2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD2. Supported peripheral buses: General. |
| 55 | PD3 | Digital_IO | Signal terminal PD3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD3. Supported peripheral buses: General. |
| 56 | PD4 | Digital_IO | Signal terminal PD4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD4. Supported peripheral buses: General. |
| 57 | PD5 | Digital_IO | Signal terminal PD5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD5. Supported peripheral buses: General. |
| 58 | PD6 | Digital_IO | Signal terminal PD6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD6. Supported peripheral buses: General. |
| 59 | PD7 | Digital_IO | Signal terminal PD7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PD7. Supported peripheral buses: General. |
| 60 | PF3 | Digital_IO | Signal terminal PF3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF3. Supported peripheral buses: General. |
| 61 | PF4 | Digital_IO | Signal terminal PF4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF4. Supported peripheral buses: General. |
| 62 | PF5 | Digital_IO | Signal terminal PF5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF5. Supported peripheral buses: General. |
| 63 | PE0 | Digital_IO | Signal terminal PE0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE0. Supported peripheral buses: General. |
| 64 | PE1 | Digital_IO | Signal terminal PE1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE1. Supported peripheral buses: General. |





