STM32F446ZEJ6 - 180MHz Cortex-M4 512KB MCU | STMicroelectronics
MPN: STM32F446ZEJ6 ✓ Active| Qty | Unit Price | Extended |
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STM32F446ZEJ6 Overview
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one compact component. STM32 devices belong to the embedded microcontroller hierarchy and provide real-time control alongside communications, analog conversion, timing, and connectivity functions. The Cortex-M4 architecture combines deterministic instruction execution with digital signal processing and floating-point support, making the STM32F446 suitable for control-intensive and signal-processing workloads.
The verified source data identifies 512 KB of flash, 128 KB plus 4 KB of RAM in the STM32F446 family, dual Quad-SPI interfaces, SDRAM support, audio interfaces, and a broad peripheral set. The STM32F446 line also supports USB OTG high-speed and full-speed operation according to the family datasheet search result. The 144-UFBGA package provides a compact land pattern for space-constrained equipment.
Typical applications include industrial automation, communications equipment, audio processing, data acquisition, motor control, and connected consumer products. Its 180 MHz Cortex-M4 core can manage protocol stacks, real-time control, user interfaces, and signal processing without requiring a separate high-performance processor. The integrated DSP and FPU features are useful for filtering, control loops, audio handling, and other mathematically intensive tasks.
Designers should verify the exact pin multiplexing, power requirements, clock configuration, and memory map in the STM32F446 datasheet before layout release. A 10 x 10 mm UFBGA requires careful escape routing and thermal-aware PCB design. This page consolidates the verified manufacturer and distributor information while clearly separating specifications that still require confirmation from an engineering reference design.
This data page is intended to support MCU selection, distributor comparison, and initial hardware planning. It should not replace the complete STMicroelectronics datasheet, reference manual, errata documents, or board-level validation.
Drop-in alternatives for STM32F446ZEJ6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with STM32F446ZEJ6 (same form factor and footprint) — differing in Core, Package, ADC, Architecture, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesSTM32F446ZEJ6 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Maximum Core Frequency | 180 MHz |
| Architecture | ARM Cortex-M4 with DSP and FPU |
| Performance | 225 DMIPS |
| Flash Memory | 512 KB |
| RAM | 128 KB plus 4 KB |
| Core | 32-bit RISC |
| Package | 144-UFBGA (10 x 10 mm) |
| Supply Voltage | 2.5 V / 3.3 V |
| Serial Interface | Dual Quad-SPI |
| External Memory Support | SDRAM support |
| Audio Support | Audio interfaces |
| USB Support | USB OTG HS/FS |
| ADC | 3 ADCs |
| Timers | 17 timers |
| Communication Interfaces | 20 communication interfaces |
| Parallel Camera Interface | 8- to 14-bit, up to 54 Mbytes |
| Mounting Type | Surface Mount |
STM32F446ZEJ6 144-ufbga (10 x 10 mm) Pin Configuration Guide
Pin configuration for STM32F446ZEJ6 (144-ufbga (10 x 10 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for STM32F446ZEJ6.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32F446ZEJ6 is suitable for 7 applications: Industrial Automation Controller, Audio Signal Processing, Connected Data Acquisition, Motor Control and Power Systems, USB Communication Peripheral, Consumer Communication Product, High-Speed Embedded Control Platform.
Industrial Automation Controller
The STM32F446ZEJ6 fits industrial automation controllers that combine real-time sampling, communications, and supervisory logic. Its 180 MHz Cortex-M4 core and 225 DMIPS performance leave processing headroom for control algorithms, while 17 timers and three ADCs support motor, sensing, and timing functions. The 20 communication interfaces can connect local sensors, operator interfaces, and field equipment. In a typical design, the MCU runs control software while dedicated external circuitry handles power conversion, signal conditioning, isolation, and actuator drive.
Recommended
Audio Signal Processing
The STM32F446ZEJ6 is a strong candidate for audio signal-processing systems because its Cortex-M4 core includes DSP and FPU support and the STM32F446 family identifies dedicated audio interfaces. The device can process control and audio-related algorithms while handling communications and system management in parallel. A practical implementation typically connects an external audio codec or interface circuit and uses carefully controlled clocking, grounding, and signal routing. The verified information does not specify codec compatibility or audio performance figures, so those details require design-level verification.
Recommended
Connected Data Acquisition
The STM32F446ZEJ6 can serve as the central controller in connected data-acquisition equipment, combining high-speed computation with external-memory and serial-interface capability. Dual Quad-SPI, SDRAM support, USB OTG HS/FS, and the broad communication-interface count are useful when collecting sensor data and forwarding it to a host or network. The device should be paired with carefully selected external memory, transceiver, and signal-conditioning components. Firmware partitioning and buffering are important because the supplied data does not define application-specific throughput or memory-map limits.
Recommended
Motor Control and Power Systems
The STM32F446ZEJ6 is suitable for motor-control and power-system applications where deterministic control, PWM generation, current sensing, and communications must coexist. Its 180 MHz core provides computational margin for control-loop processing, while 17 timers and three ADCs support sampling and timing functions. The MCU is the controller, not the power stage; designers still need gate drivers, power transistors, current sensors, protection circuits, and appropriate layout isolation. Confirm the exact timer pin assignments and analog performance in the STM32F446 documentation before layout release.
Recommended
USB Communication Peripheral
The STM32F446ZEJ6 can form the basis of a USB-connected embedded peripheral because the STM32F446 family provides USB OTG high-speed and full-speed support alongside substantial flash, RAM, and digital peripherals. It is useful for protocol conversion, configuration interfaces, data gateways, and debug or service functions. The external USB implementation still requires connector, protection, routing, and power-management decisions. The verified data does not specify USB endpoint counts, current limits, or connector reference designs, so those values must be checked in the official datasheet.
Recommended
Consumer Communication Product
The STM32F446ZEJ6 is appropriate for connected consumer products requiring a compact, high-performance controller with USB, serial, timing, and memory resources. It can coordinate user input, communications, control logic, and local data processing while leaving board area available through the 10 x 10 mm UFBGA package. Product-specific requirements such as low-power states, RF connectivity, display control, and environmental compliance are not fully covered by the verified data. Developers should validate power-tree behavior, RF coexistence, mechanical assembly, and production test coverage before release.
Recommended
High-Speed Embedded Control Platform
The STM32F446ZEJ6 can anchor a high-performance embedded-control platform that combines real-time control with communications and DSP-oriented processing. Its 180 MHz Cortex-M4 core, 225 DMIPS performance, 512 KB flash, 128 KB plus 4 KB RAM, and 144-UFBGA package provide a capable base for compact multi-peripheral designs. External SDRAM, communication transceivers, precision references, and power management may extend the system when required. The package density makes careful escape routing, assembly process control, and thermal validation essential.
Recommended
Recommended Products Summary
Engineering reference data for STM32F446ZEJ6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F446ZEJ6TR | STM32F446ZEJ7 | STM32F446ZEH6 | STM32F446ZEH7 |
|---|---|---|---|---|---|
| Core | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 |
| Maximum Frequency | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| Package | 144-UFBGA (10 x 10 mm) | 144-UFBGA (10 x 10 mm) | 144-UFBGA (10 x 10 mm) | 144-UFBGA (10 x 10 mm) | 144-UFBGA (10 x 10 mm) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
Key Differentiators
- High-performance Cortex-M4 processing (vs STM32F405VGT6TR)
- Large flash and RAM configuration (vs STM32F407VGT6TR)
- High-density communication peripheral set (vs STM32F429VGT6)
Design Notes
The 144-UFBGA package requires a deliberate escape-routing strategy. Keep power, ground, and high-speed signal paths short, use the package drawing and recommended land pattern, and verify that assembly, inspection, and rework facilities support the 10 x 10 mm BGA. Avoid routing sensitive analog and communication signals beneath noisy power or switching nodes where the package design permits.
Plan the power tree around the STM32F446ZEJ6's 2.5 V / 3.3 V supply description and the exact operating conditions in the manufacturer datasheet. Place local decoupling close to each appropriate supply pin, provide a clean return path, and separate analog, digital, and clock-supply distribution as required by the final reference design. Confirm regulator headroom, startup sequencing, and maximum supply limits rather than relying on the family-level summary.
Do not treat related ordering codes as automatically interchangeable. The verified web data identifies STM32F446ZEJ6TR, STM32F446ZEJ7, STM32F446ZEH6, and STM32F446ZEH7 as related family listings, but it does not define their suffix differences. Check temperature grade, package, flash/RAM configuration, ordering code, and production status in the official STMicroelectronics documentation before substitution.
For high-speed communication or external-memory interfaces, use controlled-impedance routing, continuous reference planes, and minimized stub lengths. Keep clock lines short and isolate them from noisy switching paths, then validate timing and signal integrity with the final stack-up and peripheral configuration. The verified data confirms dual Quad-SPI, SDRAM support, and USB OTG HS/FS, but does not provide board-level layout examples.
Compliance Information
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for STM32F446ZEJ6. Confirm the current manufacturer product documentation and supply-chain declarations before production release.
