
STM32F439AIH6 — STM32F4 Cortex-M4 MCU, 180MHz, 2MB FLASH, 169-UFBGA
STMicroelectronics STM32F4 series, ARM Cortex-M4 32-bit MCU, 180MHz, 2MB FLASH, 256KB RAM, 24x12b ADC plus 2x12b DAC, Ethernet MAC/CAN/USB OTG/SPI/I2C, 114 I/O, 169-UFBGA (7×7mm), -40°C to 85°C, 1.8–3.6V supply, tray.
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Specifications
| Parameter | Value |
|---|---|
| Series | STM32F4 |
| Mounting type | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 180MHz |
| Package | Tray |
| RAM size | 256K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, SPI, UART/USART, USB OTG |
| Number of i (O) | 114 |
| Core processor | ARM® Cortex®-M4 |
| Case | 169-UFBGA |
| Data converters | A/D 24x12b; D/A 2x12b |
| Program memory size | 2MB (2M x 8) |
Frequently asked questions
The 169-UFBGA package worries me for rework — is there a pin-compatible alternative in a reworkable package?
The 169-UFBGA is not field-reworkable and no pin-compatible alternate in an LQFP or QFP package exists in this record. Any move to a different package requires a layout spin and signal-integrity review for the Ethernet and high-speed USB interfaces.
What supply voltage does the STM32F439AIH6 require?
1.8–3.6V on a single supply rail. The 1.8V minimum is important for low-voltage MCU migrations; confirm your rail is 3.3V nominal if interfacing with standard industrial 24V discrete I/O through level-shifters.