STM32F437ZIT7TR — STM32F4 Cortex-M4 MCU, 180MHz, 2MB Flash, 144-LQFP
STMicroelectronics STM32F4 series, 32-bit ARM Cortex-M4 single-core MCU, 180MHz, 2MB Flash, 256KB RAM, 114 I/O, Ethernet/CAN/USB OTG, 24x12b ADC + 2x12b DAC, 1.8V–3.6V supply, -40°C to 105°C, 144-LQFP (20×20mm) in tape-and-reel or cut-tape.
- 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
- Date & lot codes on quoteStated per line before you commit; label photos on request.
- MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
- PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.
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~105°C(TA) |
| Speed | 180MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| 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 | 144-LQFP |
| Data converters | A/D 24x12b; D/A 2x12b |
| Program memory size | 2MB (2M x 8) |
Frequently asked questions
Can the STM32F437ZIT7TR run a Profinet IRT or EtherCAT stack within its 256KB RAM?
A typical Profinet IRT or EtherCAT slave stack occupies 120KB–180KB of RAM, leaving a workable but not generous margin for the application layer and buffers. The 2MB Flash comfortably holds the stack binary and firmware. Verify your specific stack vendor's RAM requirement before committing the BOM line — the 256KB ceiling is the binding constraint, not the 2MB Flash.
What is the industrial temperature grade of the STM32F437ZIT7TR?
The operating temperature range is -40°C to 105°C (TA), which is the standard industrial grade for enclosed panel and factory-floor applications. At 105°C ambient with the 180MHz core and all peripherals active, junction temperature and thermal relief should be modeled before finalizing the PCB layout.