Mechanical Dimensions & Land Pattern (UFBGA-169)
Extracted from Datasheet & IPC-7351B NormalizedPackage Body (D × E)Nominal
7.00 × 7.00 mm
Height (A) & Pitch (e)IPC-7351B
A=0.53mm · e=0.50mm
Pad Size (W × L)Level B
0.22 × 0.22 mm
Pins / Total PadsTopology
169P / 169Pad (BGA_GRID)
Recommended 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-169 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — STM32H743AII6TR (UFBGA-169)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of STM32H743AII6TR (UFBGA-169)?
Manufactured by ST, the STM32H743AII6TR is housed in a UFBGA-169 package with 169 pins and a 0.50 mm lead pitch. Key pins include: A1 (3: Multiplexed I/O & Peripheral Pin 3 (SPI)), A2 (1: Multiplexed I/O & Peripheral Pin 1 (SPI)), A3 (-: Multiplexed I/O & Peripheral Pin - (General)), A4 (-: Multiplexed I/O & Peripheral Pin - (General)), A5 (92: Multiplexed I/O & Peripheral Pin 92 (UART, I2C, PWM)), A6 (-: Multiplexed I/O & Peripheral Pin - (SPI, PWM)).
What are the IPC-7351B PCB Footprint dimensions for STM32H743AII6TR?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32H743AII6TR (UFBGA-169) has a nominal body envelope of 7.00 × 7.00 mm, pitch e = 0.50 mm, and 169 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for STM32H743AII6TR?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32H743AII6TR (ST, UFBGA-169) 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 (169 pins) & STM32H742 / STM32H743 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | 3 | Digital_IO | Signal terminal 3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_NSS_SAI1FSA. Supported peripheral buses: SPI. |
| A2 | 1 | Digital_IO | Signal terminal 1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_SCK. Supported peripheral buses: SPI. |
| A3 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| A4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| A5 | 92 | Digital_IO | Signal terminal 92 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SCLCEC. Supported peripheral buses: UART, I2C, PWM. |
| A6 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MISO. Supported peripheral buses: SPI, PWM. |
| A7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| A8 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS. Supported peripheral buses: SPI. |
| A9 | 86 | Digital_IO | Signal terminal 86 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 86. Supported peripheral buses: UART. |
| A10 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| A11 | 80 | Digital_IO | Signal terminal 80 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: UART, SPI. |
| A12 | 78 | Digital_IO | Signal terminal 78 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_SCK. Supported peripheral buses: UART, SPI. |
| A13 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_NSS. Supported peripheral buses: SPI, PWM. |
| B1 | 9 | Digital_IO | Signal terminal 9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 9. Supported peripheral buses: RTC/CLK. |
| B2 | 2 | Digital_IO | Signal terminal 2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 2. Supported peripheral buses: General. |
| B3 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| B4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| B5 | 95 | Digital_IO | Signal terminal 95 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 95. Supported peripheral buses: UART, I2C. |
| B6 | 90 | Digital_IO | Signal terminal 90 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO, SPI3_MISO, SPI2_NSS, SPI6_MISO. Supported peripheral buses: UART, SPI, PWM, SWD/JTAG. |
| B7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: SPI. |
| B8 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_SCK. Supported peripheral buses: SPI. |
| B9 | 87 | Digital_IO | Signal terminal 87 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: UART, SPI, I2C. |
| B10 | 10 | Digital_IO | Signal terminal 10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 10. Supported peripheral buses: General. |
| B11 | 79 | Digital_IO | Signal terminal 79 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MISO. Supported peripheral buses: UART, SPI. |
| B12 | 76 | Digital_IO | Signal terminal 76 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 76. Supported peripheral buses: SWD/JTAG. |
| B13 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK. Supported peripheral buses: SPI. |
| C1 | 8 | Digital_IO | Signal terminal 8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 8. Supported peripheral buses: RTC/CLK. |
| C2 | 5 | Digital_IO | Signal terminal 5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MOSI_SAI1SDA. Supported peripheral buses: SPI. |
| C3 | 4 | Digital_IO | Signal terminal 4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 4. Supported peripheral buses: SPI. |
| C4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| C5 | 96 | Digital_IO | Signal terminal 96 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SDA, SPI2_NSS, I2C4_SDA, I2C4_SMBA. Supported peripheral buses: UART, SPI, I2C. |
| C6 | 91 | Digital_IO | Signal terminal 91 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SMBA, SPI1_MOSI, I2C4_SMBA, SPI3_MOSI, SPI6_MOSI. Supported peripheral buses: SPI, I2C. |
| C7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI6_MOSI. Supported peripheral buses: UART, SPI. |
| C8 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO. Supported peripheral buses: UART, SPI. |
| C9 | 85 | Digital_IO | Signal terminal 85 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 85. Supported peripheral buses: UART. |
| C10 | 82 | Digital_IO | Signal terminal 82 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 82. Supported peripheral buses: General. |
| C11 | 77 | Digital_IO | Signal terminal 77 (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. |
| C12 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| C13 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D1 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D2 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D3 | 7 | Digital_IO | Signal terminal 7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 7. Supported peripheral buses: RTC/CLK. |
| D4 | 98 | Digital_IO | Signal terminal 98 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 98. Supported peripheral buses: UART. |
| D5 | 97 | Digital_IO | Signal terminal 97 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 97. Supported peripheral buses: UART. |
| D6 | 93 | Digital_IO | Signal terminal 93 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 93. Supported peripheral buses: UART, I2C, PWM. |
| D7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI6_SCK. Supported peripheral buses: UART, SPI. |
| D8 | 88 | Digital_IO | Signal terminal 88 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MOSI. Supported peripheral buses: UART, SPI. |
| D9 | 84 | Digital_IO | Signal terminal 84 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK. Supported peripheral buses: UART, SPI. |
| D10 | 81 | Digital_IO | Signal terminal 81 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 81. Supported peripheral buses: UART, SPI. |
| D11 | 72 | Digital_IO | Signal terminal 72 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 72. Supported peripheral buses: SWD/JTAG. |
| D12 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| D13 | 73 | Digital_IO | Signal terminal 73 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 73. Supported peripheral buses: General. |
| E1 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| E2 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General. |
| E3 | 6 | Digital_IO | Signal terminal 6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 6. Supported peripheral buses: General. |
| E4 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C. |
| E5 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC. |
| E6 | 94 | Digital_IO | Signal terminal 94 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 94. Supported peripheral buses: General. |
| E7 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: UART, SPI. |
| E8 | - | Digital_IO | Signal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI6_MISO. Supported peripheral buses: UART, SPI. |
| E9 | 83 | Digital_IO | Signal terminal 83 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 83. Supported peripheral buses: UART. |
| E10 | 69 | Digital_IO | Signal terminal 69 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 69. Supported peripheral buses: UART, PWM. |
| E11 | 68 | Digital_IO | Signal terminal 68 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C3_SMBA, SPI2_SCK. Supported peripheral buses: UART, SPI, I2C, PWM. |
| E12 | 67 | Digital_IO | Signal terminal 67 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 67. Supported peripheral buses: UART, RTC/CLK. |