Mechanical Dimensions & Land Pattern (VFQFPN-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 VFQFPN-68(8x8) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — STM32H735RGV6 (VFQFPN-68(8x8))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of STM32H735RGV6 (VFQFPN-68(8x8))?
Manufactured by ST, the STM32H735RGV6 is housed in a VFQFPN-68(8x8) package with 69 pins and a 0.40 mm lead pitch, supporting a VCC supply range of 1.62 V to 3.6 V. Key pins include: 1 (VBAT: Power Supply Input (VBAT — 3.3V VDD (Max 4.0V))), 2 (PC14 - OSC32_IN: Multiplexed I/O & Peripheral Pin PC14 - OSC32_IN (RTC/CLK)), 3 (PC15 - OSC32_ OUT: Multiplexed I/O & Peripheral Pin PC15 - OSC32_ OUT (RTC/CLK)), 4 (VSSSMPS: Ground Reference Pin (VSSSMPS)), 5 (VLXSMPS: Multiplexed I/O & Peripheral Pin VLXSMPS (General)), 6 (VDDSMPS: Power Supply Input (VDDSMPS — 3.3V VDD (Max 4.0V))).
What are the IPC-7351B PCB Footprint dimensions for STM32H735RGV6?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32H735RGV6 (VFQFPN-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 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 STM32H735RGV6?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32H735RGV6 (ST, VFQFPN-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) & STM32H735 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | VBAT | Power_In | Primary positive power supply input (VBAT) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 2 | PC14 - OSC32_IN | Digital_IO | Signal terminal PC14 - OSC32_IN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC14 - OSC32_IN. Supported peripheral buses: RTC/CLK. |
| 3 | PC15 - OSC32_ OUT | Digital_IO | Signal terminal PC15 - OSC32_ OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC15 - OSC32_ OUT. Supported peripheral buses: RTC/CLK. |
| 4 | VSSSMPS | GND | 0V electrical ground return terminal (VSSSMPS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 5 | VLXSMPS | Digital_IO | Signal terminal VLXSMPS (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VLXSMPS. Supported peripheral buses: General. |
| 6 | VDDSMPS | Power_In | Primary positive power supply input (VDDSMPS) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 7 | VFBSMPS | Digital_IO | Signal terminal VFBSMPS (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VFBSMPS. Supported peripheral buses: General. |
| 8 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 9 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 10 | PH0 - OSC_IN | Digital_IO | Signal terminal PH0 - OSC_IN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PH0 - OSC_IN. Supported peripheral buses: RTC/CLK. |
| 11 | PH1 - OSC_OUT | Digital_IO | Signal terminal PH1 - OSC_OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PH1 - OSC_OUT. Supported peripheral buses: RTC/CLK. |
| 12 | NRST | Digital_IO | Active-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals. |
| 13 | PC0 | Digital_IO | Signal terminal PC0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC0. Supported peripheral buses: ADC. |
| 14 | PC1 | Digital_IO | Signal terminal PC1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: SPI, I2C, ADC, RTC/CLK. |
| 15 | VSSA | GND | 0V electrical ground return terminal (VSSA) for internal core logic, I/O drivers, and analog sub-blocks. |
| 16 | VDDA | Power_In | Primary positive power supply input (VDDA) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 17 | PA0 | Digital_IO | Signal terminal PA0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI6_NSS. Supported peripheral buses: UART, SPI, ADC, PWM. |
| 18 | PA1 | Digital_IO | Signal terminal PA1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA1. Supported peripheral buses: UART, ADC, PWM. |
| 19 | PA2 | Digital_IO | Signal terminal PA2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA2. Supported peripheral buses: UART, SPI, ADC, PWM. |
| 20 | PA3 | Digital_IO | Signal terminal PA3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA3. Supported peripheral buses: UART, ADC, PWM. |
| 21 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 22 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 23 | PA4 | Digital_IO | Signal terminal PA4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS, SPI6_NSS. Supported peripheral buses: UART, SPI, ADC, DAC. |
| 24 | PA5 | Digital_IO | Signal terminal PA5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_SCK, SPI6_SCK. Supported peripheral buses: SPI, ADC, DAC, PWM. |
| 25 | PA6 | Digital_IO | Signal terminal PA6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO, SPI6_MISO. Supported peripheral buses: SPI, ADC, PWM. |
| 26 | PA7 | Digital_IO | Signal terminal PA7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_MOSI, SPI6_MOSI. Supported peripheral buses: SPI, ADC, PWM. |
| 27 | PC4 | Digital_IO | Signal terminal PC4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC4. Supported peripheral buses: UART, ADC. |
| 28 | PC5 | Digital_IO | Signal terminal PC5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC5. Supported peripheral buses: UART, ADC. |
| 29 | PB0 | Digital_IO | Signal terminal PB0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB0. Supported peripheral buses: UART, ADC, PWM. |
| 30 | PB1 | Digital_IO | Signal terminal PB1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB1. Supported peripheral buses: ADC, PWM. |
| 31 | PB2 | Digital_IO | Signal terminal PB2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: SPI, I2C, RTC/CLK. |
| 32 | PB10 | Digital_IO | Signal terminal PB10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C2_SCL, SPI2_SCK. Supported peripheral buses: UART, SPI, I2C, PWM. |
| 33 | VCAP | Digital_IO | Signal terminal VCAP (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VCAP. Supported peripheral buses: General. |
| 34 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 35 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 36 | PB12 | Digital_IO | Signal terminal PB12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C2_SMBA, SPI2_NSS. Supported peripheral buses: UART, SPI, I2C. |
| 37 | PB13 | Digital_IO | Signal terminal PB13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK. Supported peripheral buses: UART, SPI, PWM. |
| 38 | PB14 | Digital_IO | Signal terminal PB14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MISO. Supported peripheral buses: UART, SPI, PWM. |
| 39 | PB15 | Digital_IO | Signal terminal PB15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: UART, SPI, PWM, RTC/CLK. |
| 40 | PE7 | Digital_IO | Signal terminal PE7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PE7. Supported peripheral buses: UART. |
| 41 | PE8 | Digital_IO | Signal terminal PE8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PE8. Supported peripheral buses: UART, PWM. |
| 42 | PC9 | Digital_IO | Signal terminal PC9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC9. Supported peripheral buses: General. |
| 43 | PA8 | Digital_IO | Signal terminal PA8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA8. Supported peripheral buses: General. |
| 44 | PA9 | Digital_IO | Signal terminal PA9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA9. Supported peripheral buses: General. |
| 45 | PA10 | Digital_IO | Signal terminal PA10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA10. Supported peripheral buses: General. |
| 46 | PA11 | Digital_IO | Signal terminal PA11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA11. Supported peripheral buses: General. |
| 47 | PA12 | Digital_IO | Signal terminal PA12 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA12. Supported peripheral buses: General. |
| 48 | PA13 | Digital_IO | Signal terminal PA13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA13. Supported peripheral buses: General. |
| 49 | VCAP | Digital_IO | Signal terminal VCAP (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VCAP. Supported peripheral buses: General. |
| 50 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 51 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 52 | PA14 | Digital_IO | Signal terminal PA14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA14. Supported peripheral buses: General. |
| 53 | PD9 | Digital_IO | Signal terminal PD9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD9. Supported peripheral buses: UART. |
| 54 | PD10 | Digital_IO | Signal terminal PD10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD10. Supported peripheral buses: UART. |
| 55 | PD11 | Digital_IO | Signal terminal PD11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SMBA. Supported peripheral buses: UART, SPI, I2C. |
| 56 | PD12 | Digital_IO | Signal terminal PD12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C4_SCL. Supported peripheral buses: UART, I2C, PWM. |
| 57 | PD13 | Digital_IO | Signal terminal PD13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD13. Supported peripheral buses: UART, SPI, PWM. |
| 58 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 59 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| 60 | PD14 | Digital_IO | Signal terminal PD14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD14. Supported peripheral buses: UART, PWM. |
| 61 | PD15 | Digital_IO | Signal terminal PD15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD15. Supported peripheral buses: UART, PWM. |
| 62 | PE12 | Digital_IO | Signal terminal PE12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_SCK. Supported peripheral buses: SPI, PWM. |
| 63 | PE13 | Digital_IO | Signal terminal PE13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MISO. Supported peripheral buses: SPI, PWM. |
| 64 | PE14 | Digital_IO | Signal terminal PE14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MOSI. Supported peripheral buses: SPI, PWM. |












