STM32H743ZIT6U - 32-Bit 480MHz Cortex-M7 MCU | STMicroelectronics
MPN: STM32H743ZIT6U ✗ End of Life| Qty | Unit Price | Extended |
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STM32H743ZIT6U Overview
A microcontroller is a programmable embedded-system component that combines a processor core, memory, communication interfaces, timers, analog peripherals, and digital input/output in one integrated circuit. The Cortex-M7 core provides deterministic instruction execution for control loops and supports the STM32H7 family’s high-performance processing requirements. In the power-management hierarchy, the STM32H743ZIT6U is an embedded processing platform rather than a discrete regulator or power semiconductor.
The principal verified features are 32-bit processing at up to 480 MHz, 2 MB of Flash memory, and a 144-LQFP package. The Cortex-M7 architecture is suitable for applications involving high-speed control, communication gateways, industrial equipment, audio and digital signal processing, and connected embedded systems. The package exposes a large pin count suitable for multiple I/O, communication, debug, power, and clock connections, although the complete pin-level electrical assignment is not provided in the supplied source snippets.
The U suffix and exact ordering code require careful commercial verification. The supplied data includes listings for both STM32H743ZIT6 and STM32H743ZIT6U; these should not be treated as interchangeable without checking the manufacturer’s orderable-parts table, temperature range, packaging, and lifecycle status. The supplied evidence does not establish operating temperature, voltage range, RAM capacity, RoHS status, or AEC-Q100 qualification.
Typical design work includes assigning supply and ground pins, validating the 144-LQFP footprint, configuring the clock tree, planning firmware initialization, and reserving pins for debug and communications. Engineers should also verify startup behavior, power sequencing, decoupling requirements, and peripheral availability against the official datasheet before releasing a PCB or production firmware.
This page consolidates verified distributor snippets, source URLs, package information, and replacement-search findings into a structured product record. It separates confirmed data from fields requiring datasheet verification and highlights why package, pinout, memory, and firmware compatibility must be checked before substituting any candidate.
The STM32H743ZIT6U is best suited to engineers seeking a high-performance Cortex-M7 MCU in a large LQFP package for embedded control and signal-processing platforms. The source data supports ordering and datasheet discovery but does not provide enough verified electrical detail to claim specific peripheral, timing, or compliance ratings beyond the values listed above.
Drop-in alternatives for STM32H743ZIT6U — 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 STM32H743ZIT6U (same form factor and footprint) — differing in Package, Core, Flash Memory, RoHS Status, ADC Resolution.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32H743ZIT6
✅ Drop-In✓ In Stock
$10.65 / Unit
View Datasheet →STM32H723ZGT6
✅ Drop-In✓ In Stock
$6.39 / Unit
View Datasheet →STM32H753ZIT6U
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H723ZIT6U
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H742ZIT6U
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32H743ZIT6U Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M7 |
| Architecture | 32-bit |
| Maximum Clock Frequency | 480 MHz |
| Internal Flash Memory | 2 MB |
| Flash Organization | 2M x 8 |
| Package | 144-LQFP, 20 mm x 20 mm |
| Mounting Type | Surface Mount |
| Core Family | STM32H7 series |
| Product Type | 32-bit microcontroller |
| RoHS Status | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
STM32H743ZIT6U 144-lqfp, 20 mm x 20 mm Pin Configuration Guide
Pin configuration for STM32H743ZIT6U (144-lqfp, 20 mm x 20 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 STM32H743ZIT6U.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32H743ZIT6U is suitable for 6 applications: Industrial Control, Motor Control, Audio and DSP, Communications Gateway, Data Acquisition, Embedded Networking.
Industrial Control
The STM32H743ZIT6U fits industrial-control platforms that need a high-performance 32-bit Cortex-M7 core for deterministic control loops and communication management. Its verified 480 MHz class and 2 MB Flash provide processing and program-memory headroom for motor-control supervisory logic, sensor acquisition, communications, and local human-interface functions. The 144-LQFP package offers many external connections, but the exact pin assignment and electrical limits must be checked in the manufacturer datasheet.
Recommended
Motor Control
The STM32H743ZIT6U can serve as the control processor in a high-performance motor-control system where fast computation is valuable for sampling, control-law execution, diagnostics, and communications. The verified 480 MHz Cortex-M7 core and 2 MB Flash are appropriate starting points for embedded control firmware, while the large 144-LQFP package can expose multiple external interfaces. Actual motor-control suitability depends on verified timer, ADC, PWM, voltage, and thermal specifications that are not included in the supplied snippets.
Recommended
Audio and DSP
The STM32H743ZIT6U is a reasonable platform candidate for audio front ends and embedded digital signal processing because the verified Cortex-M7 processor can execute higher-complexity control and signal-processing tasks than a basic microcontroller. The 2 MB Flash supports a substantial embedded application, and the 144-LQFP package can expose digital audio interfaces and control signals. Confirm the required audio peripherals, sampling interfaces, memory map, clock limits, and package-level signal integrity in the exact datasheet.
Recommended
Communications Gateway
The STM32H743ZIT6U can be evaluated for communications gateways that combine protocol handling, local control, data buffering, and network management. Its verified 480 MHz Cortex-M7 core provides substantial processing headroom for deterministic communication tasks, and its 144-LQFP package provides a broad external pin budget. The supplied data does not enumerate Ethernet, USB, CAN, or other interfaces, so those requirements must be checked before selecting the exact part.
Recommended
Data Acquisition
The STM32H743ZIT6U is suitable as a high-performance embedded controller for data-acquisition systems that need coordinated sampling, filtering, buffering, and communications. The verified 32-bit Cortex-M7 core and 480 MHz class can support computationally intensive control firmware, while 2 MB Flash provides embedded program storage. Exact ADC resolution, conversion rate, timer synchronization, voltage range, and memory capacity are not supplied and must be verified before circuit design.
Recommended
Embedded Networking
The STM32H743ZIT6U can form the control core of a connected embedded product when the design requires substantial local computation and a high pin-count package. The verified 480 MHz Cortex-M7 performance and 2 MB Flash make it a plausible candidate for protocol translation, remote supervisory control, and local decision-making. Network interfaces, security features, voltage domains, and exact peripheral assignments are not present in the supplied data and should be checked against official documentation.
Recommended
Recommended Products Summary
Engineering reference data for STM32H743ZIT6U — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32H743ZIT6 | STM32H723ZGT6 | STM32H753ZIT6U |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
Key Differentiators
- High-performance Cortex-M7 processing (vs STM32H723ZGT6)
- 2 MB internal Flash (vs STM32H723ZGT6)
- Target package identification (vs STM32H743ZIT6)
- Cross-family replacement caution (vs STM32F429VGT6)
Design Notes
The verified package is 144-LQFP at 20 mm x 20 mm. Before schematic release, assign every power, ground, clock, reset, debug, boot, and communication pin from the exact STM32H743ZIT6U pinout; the supplied data does not provide that table. Confirm land pattern, pin-1 orientation, exposed thermal requirements, and assembly clearances against the official package drawing.
Do not infer supply voltage or decoupling values from the distributor snippets. The operating voltage range, power-domain arrangement, startup sequence, and decoupling recommendations are [DATA_NEEDED]. Follow the exact manufacturer application guidance when selecting regulators, bulk capacitance, local ceramic capacitors, and power-supply sequencing, then validate the assembled board under worst-case clock and temperature conditions.
Do not substitute STM32H743ZIT6, STM32H723ZGT6, or another STM32H7 variant based only on family naming and package class. The supplied cross-reference result explicitly warns that memory and allowable clock speeds can differ. Compare exact orderable MPNs, pin definitions, electrical limits, memory map, peripherals, startup behavior, package dimensions, and firmware requirements before approving a replacement.
A 480 MHz MCU can consume meaningful power depending on voltage, activity, memory configuration, and peripherals, but the supplied data contains no current or thermal-resistance values. Calculate thermal performance only after obtaining the official operating-current and package-thermal data. Use the verified 20 mm x 20 mm LQFP package geometry as a layout starting point, then evaluate copper spreading and thermal vias under the actual enclosure and ambient conditions.
Compliance Information
The supplied search snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Verify these attributes against the exact STMicroelectronics orderable part and current manufacturer documentation.