STM32F446ZEH7 - 180MHz Cortex-M4 512KB MCU | STMicroelectronics
N.º de pieza: STM32F446ZEH7 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.78 | $5,78 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
STM32F446ZEH7 Descripción general
A microcontroller is a programmable embedded controller that integrates a processor core, memory, and peripherals on one semiconductor device. The STM32F446 belongs to the STM32F4 high-performance family, combining Arm Cortex-M4 real-time processing with floating-point and digital signal processing acceleration. Its position in the hierarchy is Arm Cortex-M4 processor -> 32-bit RISC microcontroller -> embedded processor -> semiconductor.
The Cortex-M4 core operates at up to 180 MHz and delivers 225 DMIPS, making the MCU suitable for demanding control loops and signal-processing workloads. The integrated DSP instructions and FPU accelerate transforms, filters, and other floating-point operations. Dual Quad-SPI and SDRAM support extend external data throughput, while USB OTG HS/FS and multiple communication peripherals reduce the need for discrete interface devices.
Three ADCs support analog measurement, and the large timer set supports timing, motor-control, and waveform-generation tasks. The STM32F446 device family includes audio interfaces and USB connectivity, enabling designs that collect analog data, process it locally, store results externally, and communicate through USB or industrial networks. The 512 KB Flash capacity supports substantially more firmware than small entry-level MCUs while retaining deterministic embedded execution.
Typical uses include industrial controllers, audio processors, communications equipment, motor-control systems, data acquisition units, and USB-connected embedded products. Designers should verify package-ball assignments, power sequencing, clock configuration, and peripheral pin multiplexing against the official documentation before PCB release.
For high-speed layouts, maintain short, controlled-return clock and differential-signal paths, provide clean power and ground planes, and decouple supply pins according to the manufacturer guidance. Firmware changes also require STM32CubeMX or equivalent configuration support and validation on the intended board.
This page consolidates official product facts, distributor pricing references, documented same-family alternatives, and engineering selection guidance. It separates verified attributes from missing data so procurement and design teams can identify what requires confirmation before release.
Alternativas directas para STM32F446ZEH7 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con STM32F446ZEH7 (mismo factor de forma y huella) — difiere en Package, Communication Interfaces, Performance, Supply Voltage, ADC.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
STM32F446ZEH6
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →STM32F446ZEJ6TR
✅ Sustitución directa✓ En stock
$6.65 / unidad
Ver hoja de datos →STM32F446ZEH7 Valores máximos y características eléctricas
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Maximum Core Frequency | 180 MHz |
| Core Architecture | ARM Cortex-M4 with FPU and DSP support |
| Performance | 225 DMIPS |
| Flash Memory | 512 KB |
| Flash Organization | 512K x 8 bits |
| SRAM | 128 KB |
| Backup SRAM | 4 KB |
| ADC Count | 3 |
| Timer Count | 17 |
| USB Interfaces | USB OTG HS/FS |
| SPI Interfaces | Dual Quad-SPI |
| Audio Support | Integrated audio interfaces |
| Communication Interfaces | 20 communication interfaces |
| External Memory Support | SDRAM support |
| Tensión de alimentación | 3.3 V |
| Encapsulado | 144-UFBGA, 10 x 10 mm |
| Tipo de montaje | Surface Mount |
Guía de configuración de pines de STM32F446ZEH7 144-ufbga, 10 x 10 mm
Configuración de pines para STM32F446ZEH7 (encapsulado 144-ufbga, 10 x 10 mm). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para STM32F446ZEH7.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
STM32F446ZEH7 es adecuado para 6 aplicacións: Industrial Data Acquisition, Audio Signal Processing, USB-Connected Embedded Control, Motor Control and Timing, Communications Controller, High-Speed External Memory System.
Industrial Data Acquisition
STM32F446ZEH7 fits industrial data-acquisition equipment that must sample analog inputs, execute control logic, and transfer results without relying on a separate processor. Its three ADCs support multiple measurement channels, while 17 timers improve synchronization of sampling, conversion, and communication tasks. The 180 MHz Cortex-M4 core and DSP/FPU capability allow local filtering and transformations, reducing host-controller traffic. The 512 KB Flash stores acquisition firmware and protocol handlers, while 128 KB SRAM supports working buffers. Because ADC accuracy, sampling bandwidth, and isolation requirements were not supplied, engineers must confirm them from the official datasheet before selecting input networks.
Recomendado
Audio Signal Processing
STM32F446ZEH7 is suitable for embedded audio processing because its 180 MHz Arm Cortex-M4 core includes DSP instructions and an FPU, while the STM32F446 family provides dedicated audio interfaces. The device can execute filtering, mixing, decoding, or other real-time algorithms between an audio interface and external memory or communications. Dual Quad-SPI and SDRAM support help accommodate data movement, and 512 KB Flash provides substantial firmware capacity. For production audio designs, engineers must verify the exact supported sample rate, interface mode, clock requirements, and signal levels because those details are not included in the verified search snippets.
Recomendado
USB-Connected Embedded Control
STM32F446ZEH7 fits USB-connected embedded controllers that need real-time local processing as well as high-speed or full-speed host and device connectivity. The STM32F446 family specifies USB OTG HS/FS support, while the Cortex-M4 core handles protocol stacks, state machines, data acquisition, and user-interface tasks. Its 512 KB Flash and 128 KB SRAM allow a consolidated design instead of splitting control and USB duties across multiple MCUs. Board-level validation must confirm the correct USB PHY connections, clock topology, connector protection, impedance-controlled routing, and power requirements from official hardware documentation.
Recomendado
Motor Control and Timing
STM32F446ZEH7 can serve in motor-control and precision-timing systems where deterministic peripheral scheduling is more important than processor clock speed alone. Seventeen timers provide resources for PWM generation, input capture, encoder-related signals, and synchronized timing, while three ADCs can support current, voltage, or position feedback. The 180 MHz core leaves headroom for control-law execution and supervisory logic. Final design work must confirm timer channel availability in the 144-UFBGA pinout, PWM frequency, timer clock relationships, analog input bandwidth, and any isolated gate-driver requirements.
Recomendado
Communications Controller
STM32F446ZEH7 fits communications equipment requiring a high-performance real-time core and a broad peripheral complement. The family provides 20 communication interfaces, dual Quad-SPI, USB, and SDRAM support, enabling gateway or protocol-conversion designs with external memory and serial devices. At up to 180 MHz and 225 DMIPS, the MCU can manage framing, routing, buffering, and diagnostics while preserving deterministic response timing. Engineers should verify each required protocol peripheral, pin multiplexing, protocol-performance rating, clock tree, and transceiver interface in the official documentation because no individual baud rates or bus ratings were supplied.
Recomendado
High-Speed External Memory System
STM32F446ZEH7 is appropriate when a control system must retain deterministic computation while using larger external-memory structures. Its verified 512 KB internal Flash and 128 KB SRAM support firmware and working memory, while SDRAM support and dual Quad-SPI expand the memory hierarchy for frame buffers, sample histories, or communication queues. The 180 MHz DSP- and FPU-enabled core can process data after DMA transfers move it between peripherals and external memory. Before layout release, validate address mapping, bus timing, cache or memory consistency requirements, signal integrity, and package-ball assignments using the complete official STM32F446 documentation.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para STM32F446ZEH7 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | STM32F446ZEH6 | STM32F446ZEJ6TR |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum Frequency | 180 MHz | 180 MHz | 180 MHz |
Diferenciadores clave
- Higher verified memory configuration for firmware- and data-intensive STM32F4 designs (frente a STM32F446ZEH6)
- Explicit package identity supports advanced PCB design (frente a STM32F446ZEJ6TR)
- Rich verified peripheral complement supports integration (frente a STM32F446ZEH6)
Notas de diseño
The 144-UFBGA package requires a complete official ball map before schematic or PCB release. Preserve the standard BGA escape strategy, provide local supply decoupling, and keep high-speed clocks, SDRAM signals, and communication interfaces away from noisy switching paths. Confirm whether adjacent balls share power, ground, or signal functions because the verified snippets do not provide pinout details. Prototype signal-integrity and power-integrity validation is especially important for designs operating at the verified 180 MHz maximum core frequency.
The verified data confirms 3.3 V operation but does not provide the exact supply current profile or decoupling values. Do not size the power tree from the nominal voltage alone. Review the manufacturer power-supply pins and typical application schematic, then budget startup, analog, digital, and I/O demand with margin. Use local bulk and high-frequency decoupling, control return paths through the ground plane, and measure rail droop during maximum-clock and peripheral activity on prototype hardware.
The H6, H7, and J6 ordering-code differences cannot be treated as cosmetic. Suffix changes may identify different temperature grades, qualification classes, packaging, or orderable configurations. Before replacing STM32F446ZEH7, compare the exact ordering table, temperature range, lifecycle status, and 144-UFBGA ball map. Also verify clock limits, ADC characteristics, USB connectivity, bootloader behavior, and software initialization; matching the STM32F446 family name does not guarantee unconditional interchangeability.
For designs using SDRAM, USB, or other high-speed interfaces, apply controlled-impedance routing, continuous reference planes, and short return paths. Separate clocks from noisy digital and power-conversion activity, and observe manufacturer guidance for via transitions and length matching. Because the verified data does not specify trace impedances, timing margins, or maximum peripheral rates, engineers must obtain those values from official technical documentation and validate them using the final PCB stack-up and intended operating modes.
Información de cumplimiento
The verified web data does not state compliance claims for the exact STM32F446ZEH7 ordering code. Obtain current manufacturer declarations and product-compliance records before regulatory release.
