STMicroelectronics

STM32F429IIT6J - 180MHz 2MB Cortex-M4 MCU | STMicroelectronics

Teilenummer: STM32F429IIT6J ✗ Abgekündigt
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176-LQFP Package 180 MHz Speed 2 MB (2M x 8) Memory
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STM32F429IIT6J Übersicht

The STMicroelectronics STM32F429IIT6J is an Arm Cortex-M4 32-bit microcontroller operating up to 180 MHz, with 2 MB of Flash memory and a 176-LQFP package measuring 24 x 24 mm. The device is positioned for high-performance embedded control requiring substantial program memory, broad peripheral connectivity and real-time processing. Verified distributor data identifies it as the STM32F429 series member with a 2M x 8 Flash configuration.

A microcontroller is a programmable semiconductor system that integrates a processor core, memory and peripherals into one device. In the product hierarchy, the STM32F429 belongs to STM32F4 microcontrollers, then 32-bit embedded MCUs, then integrated circuits and semiconductors. Its Cortex-M4 core combines general-purpose control with floating-point-oriented workloads, while the larger Flash capacity supports application code, protocol stacks, firmware updates and graphics or control logic.

The verified product information establishes a maximum core frequency of 180 MHz and 2 MB of Flash. The STM32F429 family also supports devices in the STM32F427xx and STM32F429xx families based on the same high-performance Arm Cortex-M4 architecture, as stated on the official STMicroelectronics product page. Exact RAM size, GPIO count, supply range, peripheral list and operating-temperature limits were not included in the supplied evidence and therefore are not asserted here.

A 176-LQFP package provides a large lead count for designs requiring extensive external connectivity. Such packages are mechanically suited to leaded through-hole assembly and are common in industrial control equipment where a higher pin count is preferable to a very small fine-pitch package. The verified 24 x 24 mm body size enables the PCB footprint to be planned with adequate spacing for assembly and inspection.

Typical uses include industrial automation, communications equipment, motor control, data acquisition, human-interface systems and embedded gateways. Firmware selection depends on the exact peripheral set, memory requirements and operating conditions, which should be confirmed against the manufacturer documentation for the ordered device. The STM32F429IIT6J is therefore most appropriate when a design specifically targets the STM32F429 platform and its 180 MHz Cortex-M4 processing capability.

The key procurement check is package and firmware continuity. Because the orderable suffix J distinguishes this MPN, engineers should confirm package, grade, temperature range and software-support requirements before substitution. The available evidence identifies STM32F429IIT6J as obsolete in one cross-reference result, so lifecycle status should be reconfirmed with STMicroelectronics or an authorized distributor before a production release.

This page consolidates the verified manufacturer identification, distributor package information, availability context and replacement research. It also distinguishes confirmed data from missing technical fields rather than estimating unverified electrical specifications.

Drop-in-Alternativen für STM32F429IIT6J – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.

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STM32F429IIT6J Grenzwerte & elektrische Eigenschaften

Product Type 32-bit ARM Cortex-M4 microcontroller
Maximum Core Frequency 180 MHz
Flash Memory 2 MB (2M x 8)
Core Architecture Arm Cortex-M4
Instruction Set Width 32-bit
Series STM32F4
Device Family STM32F429
Gehäuse 176-LQFP
Package Body Size 24 x 24 mm

STM32F429IIT6J 24 x 24 mm Pinbelegungsleitfaden

Pinbelegung für STM32F429IIT6J (24 x 24 mm-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.

Pinbelegungsdiagramm für STM32F429IIT6J im 24 x 24 mm-Gehäuse

Keine detaillierten Pinbelegungsdaten verfügbar für STM32F429IIT6J.

Siehe die Datenblatt für die vollständige Pin-Konfiguration.

Typische Anwendungen

STM32F429IIT6J ist geeignet für 6 Anwendungs: Industrial Automation Controller, Communications Gateway, Motor Control System, Data Acquisition System, Human-Machine Interface, Embedded Data Logger.

🏭

Industrial Automation Controller

The STM32F429IIT6J fits an industrial automation controller that needs a 180 MHz Cortex-M4 core, 2 MB of Flash and a high-pin-count 176-LQFP footprint. The processing headroom can support control loops, communications stacks and supervisory logic in one embedded device, while the LQFP package exposes more terminals than a compact MCU. The supplied data does not confirm the exact GPIO count, temperature grade or isolated-interface capability, so those items must be checked in the manufacturer documentation before qualification.

🌐

Communications Gateway

A communications gateway can use the STM32F429IIT6J's verified 180 MHz Arm Cortex-M4 performance and 2 MB Flash for protocol processing, buffering and application firmware. The 176-LQFP package is useful when the design needs a large complement of control and communication connections. Ethernet, USB, transceiver interfaces and supported baud rates were not specified in the supplied evidence, so gateway suitability must be based on the exact peripheral list and pinout rather than processor frequency alone.

🔧

Motor Control System

The STM32F429IIT6J is a plausible candidate for a motor-control system because its 180 MHz Cortex-M4 core provides substantial real-time processing capability and its 176-LQFP package offers extensive external connectivity. The 2 MB Flash also allows more complex algorithms and diagnostics than a very small microcontroller. Timers, PWM outputs, encoder interfaces, ADC characteristics and operating-temperature limits were not included in the verified data, so motor-loop timing and safety requirements must be validated before selecting it.

📟

Data Acquisition System

For data acquisition, the STM32F429IIT6J combines a 180 MHz processing core with 2 MB Flash for buffering, calibration and communications firmware. Its 176-LQFP package can provide the pin count needed for multiple digital sensors, storage interfaces and status signals. The verified record does not state ADC resolution, converter speed, sample-rate support, input voltage range or operating temperature, so an acquisition design must confirm the analog specifications and sensor-interface timing in the official documentation.

📺

Human-Machine Interface

The STM32F429IIT6J can serve as the central processor in a human-machine interface because its 180 MHz Cortex-M4 core and 2 MB Flash support graphical state handling, input processing and communications. The 176-LQFP package is appropriate when a design requires many discrete panel signals and external memory connections. Display interface specifications, touch-controller support and available USB or Ethernet functions are not present in the supplied evidence, so interface selection must follow the verified peripheral list rather than assume them.

🖥️

Embedded Data Logger

The STM32F429IIT6J's 2 MB Flash and 180 MHz Cortex-M4 processing capability make it suitable for a configurable embedded logger that stores events locally and forwards them through a communications interface. The large LQFP package can simplify access to storage, external memory and status controls. Storage type, endurance, write protection and RTC support were not supplied in the verified evidence. Designers should therefore verify the memory map, bootloader behavior and environmental grade before using the part in a field-deployed logger.

What are the key specifications of STM32F429IIT6J that engineers should know?
The STM32F429IIT6J combines a 180 MHz Arm Cortex-M4 core with 2 MB of Flash memory in a 176-LQFP package. According to DigiKey's verified product listing, the Flash organization is 2M x 8 and the package measures 24 x 24 mm. STMicroelectronics identifies the STM32F427xx and STM32F429xx devices as high-performance Cortex-M4 MCUs capable of operation up to 180 MHz. RAM, GPIO count, voltage range and temperature limits were not supplied in the verified evidence and must be checked in the manufacturer documentation.
Where can I download the STM32F429IIT6J datasheet PDF?
The official technical starting point is STMicroelectronics' STM32F429II product page, which covers the STM32F427xx and STM32F429xx families. The supplied search results also identify a Datasheets.com download page and an STMicroelectronics datasheet listing for the non-J variant. Because no direct manufacturer PDF URL appeared in the supplied evidence, this record links to the official family page rather than inventing a document URL. Confirm the exact ordering information and suffix J in the device documentation before release.
What is the STM32F429IIT6J pinout and package?
The STM32F429IIT6J is supplied in a 176-lead LQFP package measuring 24 x 24 mm. The verified results confirm the package and body size, but they do not provide a complete, trustworthy pin-number-to-name table. Consequently, a 176-entry pinout is not reconstructed from assumption or memory. Use the official STM32F429II documentation and the exact orderable-part data to verify all 176 terminals, power pins, ground pins and alternate functions before PCB release.
Is STM32F429IIT6J in stock and where can I buy it?
The supplied distributor listings include DigiKey, Mouser, WIN Source, Hotenda and Xecor pages, but no numeric stock quantity, unit price or XAIPART inventory figure was provided. DigiKey's listing uses the transactional phrase "Buy now, ships today," while Hotenda's result states that the part is in stock; those statements are source-specific and do not prove XAIPART inventory. Contact the listed seller or request an XAIPART quotation to confirm current stock, condition, traceability and lead time as of 2026-10-21.
What is the price of STM32F429IIT6J?
No verified numeric unit price was supplied for STM32F429IIT6J, so the pricing tiers cannot responsibly state a fabricated amount. DigiKey, Mouser, WIN Source and other distributor results identify commercial pages where pricing can be checked, but the search snippets do not expose complete price tables or quantity-break values. Request a current quotation as of 2026-10-21 and confirm whether any unit is new, factory-sealed, traceable or sourced from surplus inventory before comparing landed cost.
What is the lead time for STM32F429IIT6J?
The verified data does not provide a numeric factory lead time for STM32F429IIT6J. One cross-reference result labels the device obsolete, which can materially affect new supply, although an obsolete label does not by itself prove that no inventory remains. Because distributor stock can change independently, request a written lead-time quotation as of 2026-10-21 and include the required quantity, date code, packaging condition and traceability requirements.
Is STM32F429IIT6J suitable for industrial automation?
The STM32F429IIT6J is potentially suitable for industrial automation because it provides a 180 MHz Cortex-M4 core, 2 MB of Flash and a high-pin-count 176-LQFP package. These verified attributes support real-time control, communications firmware and multiple external connections. Final suitability depends on unverified details such as operating-temperature grade, supply range, isolated interfaces, watchdog behavior, analog functions and long-term availability. Confirm those parameters and the device lifecycle with STMicroelectronics before using it in a new production design.
STM32F429IIT6J vs STM32F429IIT6 — what is the difference?
The supplied comparison results establish that STM32F429IIT6J and STM32F429IIT6 belong to the same STM32F429-related family, but they do not expose a reliable field-by-field list of differences between the suffixes. The J designation must not be ignored because ordering suffixes can encode grade, packaging or temperature information. Use the manufacturer ordering-information document for both exact MPNs. The 176-LQFP, 180 MHz and 2 MB Flash identifiers should be matched, while all grade and suffix differences must be confirmed before interchangeability is claimed.
STM32F429IIT6J vs STM32F429VGT6 — which is better for a new design?
The STM32F429IIT6J is the more appropriate candidate when a board specifically requires the 176-LQFP footprint, whereas STM32F429VGT6 is a different package and pin configuration. STM32F429VGT6 appears in the site list but the supplied evidence does not provide enough verified data to calculate package-level interchangeability. For a new 176-LQFP design, the target MPN matches the stated package requirement; STM32F429VGT6 should be selected only after its pinout, memory, grade and peripheral functions are verified against the intended schematic.
When should I choose STM32F429IIT6J instead of another STM32 microcontroller?
Choose STM32F429IIT6J when the design specifically fits its verified combination of a 180 MHz Arm Cortex-M4 core, 2 MB Flash and 176-LQFP package. It is better suited than a smaller-package MCU when a high lead count and substantial code-storage requirement are central to the design. It may be unsuitable for new production if lifecycle status and temperature grade cannot be secured. Confirm RAM, I/O count, communications peripherals, supply limits and software support before final selection.
What can replace STM32F429IIT6J?
No verified true drop-in replacement was established for STM32F429IIT6J in the supplied cross-reference results. STM32F429IIT6 and STM32F429IIT6G are related ordering candidates, but the available snippets do not prove identical 176-pin functionality, grade and supply behavior. A genuine replacement must match the 176-LQFP footprint, pin functions, 180 MHz system requirements, memory architecture, voltage range, temperature grade and firmware expectations. Validate any candidate against the schematic, firmware and qualification plan before procurement.
What is the best equivalent for STM32F429IIT6J?
The best equivalent cannot be named from the supplied evidence because no manufacturer cross-reference confirms a pin-compatible alternative with the same 176-LQFP pinout and electrical behavior. Cross-brand MCU alternatives commonly differ in memory map, peripherals, clock tree, tooling and peripheral pin assignment, so a similar Cortex-M rating is insufficient. A valid replacement must be verified with the manufacturer pinout, errata, reference manual and application firmware. No cross-brand part is presented as drop-in because doing so without verified evidence would risk board and firmware failure.
Can STM32F429IIT6J replace STM32F407VGT6TR?
STM32F429IIT6J should not be assumed to replace STM32F407VGT6TR because the two MPNs do not share a verified package or pin-compatible interface. STM32F407VGT6TR appears in the site list, but the supplied evidence does not establish matching package dimensions, terminal count, pin functions or peripheral mapping. A board replacement would therefore require a footprint, schematic, firmware and timing review. Treat the parts as different design options until a manufacturer or authoritative cross-reference confirms compatibility.
Is the STM32F429IIT6J lifecycle status active or obsolete?
The STM32F429IIT6J is treated as obsolete in this record because the Octopart cross-reference result explicitly uses the description "Obsolete Embedded - Microcontrollers." This status is not independently confirmed by an STMicroelectronics lifecycle entry in the supplied data, and it does not mean every distributor has exhausted inventory. Engineers should reconfirm lifecycle status, last-time-buy status and available supply directly with STMicroelectronics as of 2026-10-21, especially before starting a new production design.
What design considerations matter for a 176-LQFP STM32F429IIT6J board?
A 176-LQFP layout requires exact use of the manufacturer land pattern, pin-1 orientation and all 176 terminal assignments. Because the supplied evidence lacks the full pinout, designers must not infer connections from package size alone. Validate power and ground distribution, decoupling, clock circuitry, boot configuration, signal integrity and programming access against the official documentation. For a lifecycle-sensitive part, freeze the schematic and layout early because an alternate-source decision may require PCB respin or firmware adaptation.

Technische Referenzdaten für STM32F429IIT6J – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose STM32F429IIT6J when the target design specifically requires a 176-LQFP, 180 MHz Arm Cortex-M4 MCU with 2 MB Flash and can source the exact orderable configuration. It is particularly relevant for industrial automation, communications gateways, motor-control controllers, acquisition systems and embedded human-machine interfaces where processing headroom and package connectivity matter. Do not choose it solely because another MCU has a similar core; verify RAM, I/O, peripherals, voltage range, temperature grade, pinout and lifecycle. The supplied search evidence labels the part obsolete, so a new design should first obtain a written lifecycle and supply commitment. If an alternative package is acceptable, compare the complete STM32 family options against the schematic and firmware requirements; no verified drop-in alternative was identified in the supplied cross-reference data.

Designhinweise

Treat the 176-LQFP footprint as a documentation-controlled layout item. The supplied evidence confirms a 24 x 24 mm package but does not provide the complete terminal map, so do not generate land patterns, pin-1 orientation or net assignments from memory. Download the official package drawing and exact orderable-part pinout, then cross-check every power, ground, boot, clock and signal connection against the schematic before fabrication.

Do not treat a related STM32 MPN as a substitute merely because it uses a Cortex-M core or the same STM32 family name. A valid replacement must be checked for identical 176-LQFP dimensions, terminal numbering, alternate-function mapping, power architecture, memory organization, clock limits, peripheral set and firmware compatibility. The supplied cross-reference data does not establish a true drop-in equivalent, so any redesign requires schematic, PCB and software review.

Use the manufacturer thermal information to determine the maximum junction temperature, package thermal resistance and PCB copper requirements. The supplied data confirms a 176-LQFP package but does not provide power dissipation, ambient limits or thermal resistance, so no thermal calculation can be made here. Estimate only after clock, peripheral, I/O and supply conditions are known, and label all derived values as estimates with their inputs.

Preserve the exact high-speed and sensitive-signal routing strategy supported by the STM32F429 reference documentation. Separate clocks, high-current outputs and analog inputs where the application requires it, and follow the manufacturer recommendations for decoupling and grounding. The current evidence does not identify the power pins or bypass requirements, so those values must come from the official pinout and hardware guidelines rather than generic assumptions.

Compliance-Informationen

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Bleifrei
Unknown
Halogenfrei
Unknown
Konfliktmineralien
Unknown

The supplied verified snippets do not provide a reliable compliance statement for this exact MPN. RoHS, REACH, AEC-Q100, lead-free, halogen-free and conflict-minerals status must be confirmed from the current STMicroelectronics product documentation or supplier documentation.

Daten verifiziert am: 2026-10-21 – Daten geprüft und kuratiert vom Bauteil-Engineering-Team von XAIPART

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Verwandte Bauteile & Begriffe

STMicroelectronics STM32F429IIT6J STM32F429II STM32F427xx STM32F429xx STM32F4 Arm Cortex-M4 32-bit microcontroller embedded microcontroller integrated circuit semiconductor 180 MHz 2 MB Flash 2M x 8 176-LQFP 24 x 24 mm industrial automation communications gateway motor control data acquisition human-machine interface embedded data logger RISC processor obsolete lifecycle status
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