Mechanical Dimensions & Land Pattern (UFBGA-144(10x10))
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 UFBGA-144(10x10) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — STM32H7R7Z8J6 (UFBGA-144(10x10))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of STM32H7R7Z8J6 (UFBGA-144(10x10))?
Manufactured by ST, the STM32H7R7Z8J6 is housed in a UFBGA-144(10x10) package with 144 pins and a 0.80 mm lead pitch, supporting a VCC supply range of 1.71 V to 3.6 V. Key pins include: A1 (VSS: Ground Reference Pin (VSS)), A2 (PB8: Multiplexed I/O & Peripheral Pin PB8 (General)), A3 (PB6: Multiplexed I/O & Peripheral Pin PB6 (General)), A4 (PD7: Multiplexed I/O & Peripheral Pin PD7 (General)), A5 (PD5: Multiplexed I/O & Peripheral Pin PD5 (General)), A6 (PM12: Multiplexed I/O & Peripheral Pin PM12 (General)).
What are the IPC-7351B PCB Footprint dimensions for STM32H7R7Z8J6?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32H7R7Z8J6 (UFBGA-144(10x10)) has a nominal body envelope of 10.00 × 10.00 mm, pitch e = 0.80 mm, and 144 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32H7R7Z8J6?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32H7R7Z8J6 (ST, UFBGA-144(10x10)) 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 (144 pins) & STM32H7R3Z8J / STM32H7R7Z8J / STM32H7R3I8K Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| A2 | PB8 | Digital_IO | Signal terminal PB8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB8. Supported peripheral buses: General. |
| A3 | PB6 | Digital_IO | Signal terminal PB6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB6. Supported peripheral buses: General. |
| A4 | PD7 | Digital_IO | Signal terminal PD7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PD7. Supported peripheral buses: General. |
| A5 | PD5 | Digital_IO | Signal terminal PD5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PD5. Supported peripheral buses: General. |
| A6 | PM12 | Digital_IO | Signal terminal PM12 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PM12. Supported peripheral buses: General. |
| A7 | VDD50USB | Power_In | Primary positive power supply input (VDD50USB) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| A8 | PD4 | Digital_IO | Signal terminal PD4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PD4. Supported peripheral buses: General. |
| A9 | PC10 | Digital_IO | Signal terminal PC10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC10. Supported peripheral buses: General. |
| A10 | PA15 | Digital_IO | Signal terminal PA15 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA15. Supported peripheral buses: General. |
| A11 | PA9 | Digital_IO | Signal terminal PA9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA9. Supported peripheral buses: General. |
| A12 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| B1 | VBAT | Power_In | Primary positive power supply input (VBAT) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| B2 | PC13 | Digital_IO | Signal terminal PC13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC13. Supported peripheral buses: RTC/CLK. |
| B3 | PE1 | Digital_IO | Signal terminal PE1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PE1. Supported peripheral buses: General. |
| B4 | PB5 | Digital_IO | Signal terminal PB5 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB5. Supported peripheral buses: General. |
| B5 | PD6 | Digital_IO | Signal terminal PD6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PD6. Supported peripheral buses: General. |
| B6 | PM11 | Digital_IO | Signal terminal PM11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PM11. Supported peripheral buses: General. |
| B7 | VDD33USB | Power_In | Primary positive power supply input (VDD33USB) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| B8 | PD3 | Digital_IO | Signal terminal PD3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PD3. Supported peripheral buses: General. |
| B9 | PD0 | Digital_IO | Signal terminal PD0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PD0. Supported peripheral buses: General. |
| B10 | PA13 | Digital_IO | Signal terminal PA13 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA13. Supported peripheral buses: General. |
| B11 | PA12 | Digital_IO | Signal terminal PA12 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA12. Supported peripheral buses: General. |
| B12 | PC8 | Digital_IO | Signal terminal PC8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC8. Supported peripheral buses: General. |
| C1 | IOC1 | Digital_IO | General Purpose Digital I/O Pin IOC1 |
| C2 | IOC2 | Digital_IO | General Purpose Digital I/O Pin IOC2 |
| C3 | PB9 | Digital_IO | Signal terminal PB9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SDA, SPI2_NSS. Supported peripheral buses: UART, SPI, I2C. |
| C4 | PB7 | Digital_IO | Signal terminal PB7 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB7. Supported peripheral buses: General. |
| C5 | PB3 | Digital_IO | Signal terminal PB3 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB3. Supported peripheral buses: General. |
| C6 | BOOT0 | Digital_IO | Signal terminal BOOT0 (I, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: BOOT0. Supported peripheral buses: General. |
| C7 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| C8 | PG1 | Digital_IO | Signal terminal PG1 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PG1. Supported peripheral buses: General. |
| C9 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| C10 | PA14 | Digital_IO | Signal terminal PA14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA14. Supported peripheral buses: General. |
| C11 | PA8 | Digital_IO | Signal terminal PA8 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA8. Supported peripheral buses: General. |
| C12 | PC6 | Digital_IO | Signal terminal PC6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC6. Supported peripheral buses: General. |
| D1 | PE5 | Digital_IO | Signal terminal PE5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MISO_SAI1SCKA. Supported peripheral buses: SPI. |
| D2 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| D3 | PE3 | Digital_IO | Signal terminal PE3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PE3. Supported peripheral buses: General. |
| D4 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| D5 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| D6 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| D7 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| D8 | PG0 | Digital_IO | Signal terminal PG0 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PG0. Supported peripheral buses: General. |
| D9 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| D10 | PA10 | Digital_IO | Signal terminal PA10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA10. Supported peripheral buses: General. |
| D11 | PC9 | Digital_IO | Signal terminal PC9 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC9. Supported peripheral buses: General. |
| D12 | PA15(JTDI) | Digital_IO | Signal terminal PA15(JTDI) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS, SPI6_NSS. Supported peripheral buses: UART, SPI, SWD/JTAG. |
| E1 | VSSSMPS | GND | 0V electrical ground return terminal (VSSSMPS) for internal core logic, I/O drivers, and analog sub-blocks. |
| E2 | PE6 | Digital_IO | Signal terminal PE6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PE6. Supported peripheral buses: General. |
| E3 | PE4 | Digital_IO | Signal terminal PE4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_NSS_SAI1FSA. Supported peripheral buses: SPI. |
| E4 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| E5 | VCAP4 | Digital_IO | Signal terminal VCAP4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VCAP4. Supported peripheral buses: General. |
| E6 | PB4 | Digital_IO | Signal terminal PB4 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PB4. Supported peripheral buses: General. |
| E7 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| E8 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| E9 | PA11 | Digital_IO | Signal terminal PA11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PA11. Supported peripheral buses: General. |
| E10 | PA14(JTCK/ SWCLK) | Digital_IO | Signal terminal PA14(JTCK/ SWCLK) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA14(JTCK/ SWCLK). Supported peripheral buses: SWD/JTAG. |
| E11 | PA12 | Digital_IO | Signal terminal PA12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK. Supported peripheral buses: UART, SPI. |
| E12 | PA13(JTMS/ SWDIO) | Digital_IO | Signal terminal PA13(JTMS/ SWDIO) (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA13(JTMS/ SWDIO). Supported peripheral buses: SWD/JTAG. |
| F1 | VLXSMPS | Digital_IO | Signal terminal VLXSMPS (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VLXSMPS. Supported peripheral buses: General. |
| F2 | VDDSMPS | Power_In | Primary positive power supply input (VDDSMPS) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| F3 | VFBSMPS | Digital_IO | Signal terminal VFBSMPS (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: VFBSMPS. Supported peripheral buses: General. |
| F4 | NRST | Digital_IO | Active-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals. |












