STM32F446ZCH6 - 180MHz 256KB Cortex-M4 MCU | STMicroelectronics
MPN: STM32F446ZCH6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.738 | $8.74 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
STM32F446ZCH6 Overview
A microcontroller is a programmable integrated circuit that combines a processor core, memory, peripherals, and interface logic on one semiconductor device. Within the hierarchy of embedded semiconductors, this MCU belongs to the ARM Cortex-M family, STM32F4 series, and 32-bit microcontroller category. Its Cortex-M4 core uses DSP instructions and a floating-point unit to accelerate signal-processing and control workloads.
Verified distributor data identifies 180 MHz operation, 256 KB Flash, 2.5 V or 3.3 V supply operation, a 144-pin UFBGA package, and a medical application classification. The STM32F446 family also provides dual Quad-SPI, SDRAM, and audio interfaces, while the family description reports up to 512 KB Flash across applicable devices. The exact RAM, GPIO count, and all peripheral ratings for this orderable MPN were not supplied and must be checked in the manufacturer datasheet.
The device is suitable for industrial control, medical instrumentation, audio processing, communications, and data-acquisition systems. Its 180 MHz Cortex-M4 core and DSP/FPU capability support responsive control loops and digital signal processing, while external-memory and serial-interface options allow system expansion. Firmware migration still requires peripheral, memory, package, and software compatibility checks rather than assuming interchangeability.
The principal design consideration is package-level verification. The UFBGA footprint requires a land pattern with exposed-pad and thermal-management considerations, and PCB assembly processes must support fine-pitch BGA soldering. Validate power sequencing, decoupling, clock configuration, boot behavior, and firmware image size before releasing a production design.
This page consolidates exact distributor observations, official ST family information, sourcing links, and cautious replacement guidance. It distinguishes verified STM32F446ZCH6 facts from unprovided electrical details and does not label incompatible package or memory variants as drop-in replacements.
Drop-in alternatives for STM32F446ZCH6 — 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 STM32F446ZCH6 (same form factor and footprint) — differing in Core, Package, ADC, Communication Interfaces, External Memory Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F407ZGT6TR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.25 / Unit
View Datasheet →STM32F446ZCH6 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Core | Arm Cortex-M4 |
| Maximum Core Frequency | 180 MHz |
| Instruction Set | 32-bit RISC |
| Device Flash | 256 KB |
| Flash Organization | 256K x 8 bits |
| DSP Support | Yes |
| Floating-Point Unit | Yes |
| Family Performance | 225 DMIPS |
| Family Flash Range | Up to 512 KB |
| Family Serial Interfaces | Dual Quad-SPI |
| External Memory Interfaces | SDRAM interface |
| Audio Interface | Yes |
| Operating Supply | 2.5 V or 3.3 V |
| Package | 144-pin UFBGA |
| Mounting Type | Surface Mount |
| Application Classification | Medical |
| Manufacturer | STMicroelectronics |
STM32F446ZCH6 144-pin ufbga Pin Configuration Guide
Pin configuration for STM32F446ZCH6 (144-pin ufbga 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 STM32F446ZCH6.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32F446ZCH6 is suitable for 6 applications: Industrial Control Systems, Medical Instrumentation, Audio Signal Processing, Communications and Networking, High-Speed Data Acquisition, Embedded Graphical and HMI Controller.
Industrial Control Systems
The STM32F446ZCH6 fits industrial controllers that require a 180 MHz 32-bit Cortex-M4 core for responsive acquisition, filtering, and control-loop execution. Its DSP instructions and FPU can reduce the computational burden of algorithms that would otherwise burden a basic microcontroller. The verified 144-pin UFBGA package can also expose more signal and peripheral options than a small low-pin-count device. Before layout release, confirm GPIO count, timer assignments, communication peripherals, supply levels, and exposed-pad requirements against the current ST datasheet.
Recommended
Medical Instrumentation
The STM32F446ZCH6 is suitable as the processing core of medical instrumentation because the verified Arrow listing classifies it as a medical MCU and the Cortex-M4 platform provides DSP and floating-point capability. These resources can support sensor conditioning, digital filtering, control, and human-interface functions in a larger instrument. Component classification does not certify the end product; developers must still validate electrical limits, fault behavior, software quality processes, risk controls, and the medical standards applicable to the finished device.
Recommended
Audio Signal Processing
The STM32F446ZCH6 can serve as the digital processing engine in audio equipment because its 180 MHz Cortex-M4 core includes DSP and FPU support. The STM32F446 family also advertises audio interfaces, allowing a design to evaluate digital microphone, codec, or serial-audio signal paths. The MCU's available processing headroom supports filters, mixing, and control, but real-time performance must be benchmarked with the selected clock, memory configuration, DMA plan, and firmware architecture rather than inferred from clock frequency alone.
Recommended
Communications and Networking
The STM32F446ZCH6 can anchor a communications controller requiring a high-performance embedded core and expandable serial connectivity. The verified STM32F446 family description includes dual Quad-SPI and SDRAM support, resources that can assist with high-speed data movement and communication firmware. For an Ethernet or wireless gateway design, engineers must verify the exact peripheral mix, pin multiplexing, DMA channels, protocol support, memory requirements, and electrical layout because those details were not included in the supplied MPN snippets.
Recommended
High-Speed Data Acquisition
The 180 MHz Cortex-M4 core, DSP instructions, and FPU make STM32F446ZCH6 relevant to data-acquisition systems that perform buffering and real-time numerical processing on incoming samples. The family-level SDRAM and serial-interface support can assist designs that move data faster than internal memory alone would accommodate. Designers should establish DMA behavior, latency, buffer strategy, clock stability, and interrupt load before selecting the MCU, because aggregate bandwidth cannot be guaranteed from the 180 MHz headline frequency alone.
Recommended
Embedded Graphical and HMI Controller
STM32F446ZCH6 can evaluate as the control processor for embedded human-machine interfaces because its 180 MHz Cortex-M4 performance is higher than many basic 8- or 16-bit microcontrollers. The large 144-pin UFBGA package may offer more external-interface options for displays, touch input, storage, and communications. Actual suitability depends on panel-interface availability, external graphics memory, RAM, pin multiplexing, and firmware support, none of which were fully specified in the verified snippets and all of which must be checked before schematic capture.
Recommended
Recommended Products Summary
Engineering reference data for STM32F446ZCH6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F407ZGT6TR |
|---|---|---|
| Package | 144-pin UFBGA | 144-pin UFBGA |
| Brand | STMicroelectronics | STMicroelectronics |
Key Differentiators
- Verified 180 MHz Cortex-M4 performance target (vs STM32F407ZGT6TR)
- Exact MPN identity and verified 256 KB Flash (vs STM32F407ZGT6TR)
- Same-brand 144-pin UFBGA migration candidate (vs STM32F407ZGT6TR)
Design Notes
Use the current ST package drawing for the 144-pin UFBGA land pattern rather than a generic BGA footprint. Confirm pad geometry, ball pitch, solder-mask clearance, exposed-pad requirements, via arrangement, paste design, and assembly tolerances with the selected PCB and assembly partners. A family name or distributor package label does not prove mechanical interchangeability.
Plan the power tree around the verified 2.5 V or 3.3 V operating classification, then obtain the exact core and I/O voltage limits from the manufacturer datasheet. Place suitable high-frequency decoupling close to supported supply pins and provide low-impedance planes for core and I/O current. Validate startup, reset, brownout, and sequencing behavior with the selected power-supply architecture.
Reserve continuous return paths beneath high-speed signals and separate noisy switching nodes from clock, reset, and sensitive analog inputs. The STM32F446 family's SDRAM and Quad-SPI capabilities can make edge-rate and routing discipline important. Confirm pin multiplexing first, then derive stack-up, impedance, length-matching, and via rules from the actual interface and memory topology.
Do not treat another STM32F4, STM32L4, or generic 144-BGA MCU as a drop-in replacement based only on core family and package ball count. Verify every ball assignment, supply input, ground connection, debug interface, pin-multiplex function, boot configuration, and exposed-pad requirement. Also revalidate firmware initialization because peripheral addresses, clocks, interrupts, and register behavior may differ.
Compliance Information
The supplied snippets identify a medical MCU application but provide no explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. These fields remain unknown rather than inferred.
