Skip to main content
STMicroelectronics STM32F446ZEJ7 — Microcontrollers & Processors (MCU / MPU / DSP)

STM32F446ZEJ7 STM32F4 ARM Cortex-M4 MCU, 180 MHz, 512 KB Flash

MPNSTM32F446ZEJ7
End of Life

STMicroelectronics STM32F4 series ARM Cortex-M4 MCU, STM32F446ZEJ7, 180 MHz, 512 KB Flash, 128 KB RAM, 114 I/O, 144-UFBGA (10x10 mm) tray, -40°C to 105°C, 1.7–3.6 V supply.

$13.8600Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STM32F446ZEJ7 specifications
ParameterValue
SeriesSTM32F4
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.7V ~ 3.6V
Operating temperature-40°C~105°C(TA)
Speed180MHz
PackageTray
RAM size128K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, I²S, LVD, POR, PWM, WDT
ConnectivityCANbus, EBI/EMI, I²C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB, USB OTG
Number of i (O)114
Core processorARM® Cortex®-M4
Case144-UFBGA
Data convertersA/D 24x12b; D/A 2x12b
Program memory size512KB (512K x 8)

Product details

The STM32F446ZEJ7 is an STM32F4-series ARM Cortex-M4 MCU clocked at 180 MHz, with 512 KB Flash and 128 KB RAM. The Cortex-M4 core includes a single-precision FPU and DSP instructions, so the part handles real-time control loops and sensor fusion without an external DSP.

EOL hot — last-time-buy window is open

The lifecycle stage for this order code is EOL hot. The base product number is STM32F446.

Frequently asked questions

What is the pinout of STM32F446ZEJ7?

The pinout is defined in the STM32F446 reference manual (RM0390) and datasheet. The 144-UFBGA package has 114 general-purpose I/O, with dedicated pins for CAN, USB OTG, SPI, I²C, UART, and the 24-channel ADC. Download the datasheet from STMicroelectronics for the full pin assignment table.

What is STM32F446ZEJ7's listed speed?

The core runs at 180 MHz, which is the maximum clock for the STM32F446 series Cortex-M4.