STM32F446ZEH7 - 180MHz Cortex-M4 512KB MCU | STMicroelectronics
Référence : STM32F446ZEH7 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.78 | $5,78 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
STM32F446ZEH7 Présentation
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.
Alternatives de remplacement direct pour STM32F446ZEH7 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32F446ZEH7 (même facteur de forme et même empreinte) — différant par Package, Communication Interfaces, Performance, Supply Voltage, ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32F446ZEH6
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →STM32F446ZEJ6TR
✅ Remplacement direct✓ En stock
$6.65 / unité
Voir la fiche technique →STM32F446ZEH7 Valeurs maximales et caractéristiques électriques
| 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 |
| Tension d'alimentation | 3.3 V |
| Boîtier | 144-UFBGA, 10 x 10 mm |
| Type de montage | Surface Mount |
Guide de configuration des broches du STM32F446ZEH7 144-ufbga, 10 x 10 mm
Configuration des broches du STM32F446ZEH7 (boîtier 144-ufbga, 10 x 10 mm). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour STM32F446ZEH7.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
STM32F446ZEH7 convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32F446ZEH7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32F446ZEH6 | STM32F446ZEJ6TR |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum Frequency | 180 MHz | 180 MHz | 180 MHz |
Principaux différenciateurs
- Higher verified memory configuration for firmware- and data-intensive STM32F4 designs (vs STM32F446ZEH6)
- Explicit package identity supports advanced PCB design (vs STM32F446ZEJ6TR)
- Rich verified peripheral complement supports integration (vs STM32F446ZEH6)
Notes de conception
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.
Informations de conformité
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.
