STMicroelectronics

STM32N645ZGT6 - 800MHz Cortex-M55 MCU with 4MB Flash | STMicroelectronics

部品番号: STM32N645ZGT6 ✓ 生産中
在庫あり 1〜3営業日以内に発送
1.71 V to 3.6 V Vdss LQFP144 (20x20 mm) Package 800 MHz Speed 4 MB Memory
開始価格 $12.85 USD / 個
MOQ: 1 |
価格更新日: 2026-08-11
ボリューム価格
数量 単価 小計
1 $18.75 $18.75
10 $17.2 $172.00
100 $15.6 $1,560.00
500 $14.1 $7,050.00
1,000 $12.85 $12,850.00
ℹ️ すべての価格はUSDです

STM32N645ZGT6 概要

The STMicroelectronics STM32N645ZGT6 is a high-performance Arm Cortex-M55 based microcontroller with an operating frequency of up to 800 MHz, delivering exceptional compute capability for advanced embedded applications. It integrates 4 MB of flash memory and 2.5 MB of SRAM, along with a rich set of peripherals including Ethernet, USB, and advanced security features. The device is housed in a 144-pin LQFP package (LQFP144, 20x20 mm), making it suitable for space-constrained yet performance-demanding designs.

What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the brain of countless electronic devices, from automotive engine control units to industrial robots and IoT sensors. In the system hierarchy, a microcontroller sits between a microprocessor (which requires external memory and peripherals) and a system-on-chip (SoC, which integrates more complex subsystems like GPUs). The STM32N645ZGT6 belongs to the STM32N6 series, which is STMicroelectronics' flagship high-performance MCU family, positioned above the STM32H7 series in terms of raw processing power and AI acceleration capabilities.

Key features of the STM32N645ZGT6 include an Arm Cortex-M55 core with Arm Helium technology for DSP and AI workloads, a Neural Processing Unit (NPU) capable of up to 600 GOPS for on-device machine learning, and a comprehensive security suite including TrustZone, cryptographic accelerators, and secure boot. The device supports a wide supply voltage range of 1.71V to 3.6V and operates over a temperature range of -40°C to +125°C, making it suitable for industrial and automotive environments. It also features a rich set of connectivity options, including 10/100 Ethernet MAC, USB 2.0 OTG, multiple SPI, I2C, UART, and CAN-FD interfaces.

From a technical architecture perspective, the STM32N645ZGT6 leverages a dual-core design with the Cortex-M55 and an independent power management unit, enabling efficient handling of real-time tasks and AI inference simultaneously. The inclusion of the NPU offloads intensive neural network computations from the CPU, freeing it for control and communication tasks. The device also incorporates advanced memory protection and error correction codes (ECC) on both flash and SRAM, enhancing reliability in safety-critical applications.

Typical applications for the STM32N645ZGT6 include industrial automation and robotics, where its high-speed processing and real-time control capabilities are essential; smart home and IoT gateways, leveraging its connectivity and AI features for edge intelligence; and medical devices, where its security and reliability are paramount. The device's ability to run complex algorithms locally reduces latency and bandwidth requirements, making it ideal for edge AI applications.

When designing with the STM32N645ZGT6, engineers should pay careful attention to power supply decoupling, using multiple 100nF and 10uF capacitors close to the power pins to ensure stable operation at high frequencies. The device's high-speed interfaces require careful PCB layout to maintain signal integrity, including controlled impedance traces and proper grounding. Additionally, the thermal design must account for the power dissipation of the core and NPU, potentially requiring a heatsink or forced airflow in high-load scenarios.

ドロップイン代替品: STM32N645ZGT6 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

クイック比較ツール — 並列比較する代替部品を選択:

STM32N655ZGT6

✅ ドロップイン ⚠️ 仕様未検証
📦 LQFP144
Adds advanced security features, same core and memory

📋 参考代替品(カタログ未掲載)

STM32N645ZGT6Q

✅ ドロップイン ⚠️ 仕様未検証
📦 LQFP144
Automotive grade variant, same die

📋 参考代替品(カタログ未掲載)

STM32N645ZGT6TR

✅ ドロップイン ⚠️ 仕様未検証
📦 LQFP144
Tape and reel packaging variant

📋 参考代替品(カタログ未掲載)

STM32N655ZGT6Q

✅ ドロップイン ⚠️ 仕様未検証
📦 LQFP144
Automotive grade with enhanced security

📋 参考代替品(カタログ未掲載)

STM32N645ZIT6

✅ ドロップイン ⚠️ 仕様未検証
📦 LQFP144
Same package, different memory configuration (2MB flash)

📋 参考代替品(カタログ未掲載)

STM32N655ZIT6

✅ ドロップイン ⚠️ 仕様未検証
📦 LQFP144
Enhanced security, 2MB flash

📋 参考代替品(カタログ未掲載)

STM32H743ZIT6

⚡ 同一パッケージ ⚠️ 仕様未検証
STMicroelectronics
📦 LQFP144
ARM Cortex-M7 with double-precision FPU · 480 MHz · 2 MB · 1 MB (includes 64 KB DTCM + AXI SRAM) · 16 KB · 16 KB · LQFP-144 (20x20 mm) · 1.62 V to 3.6 V

✓ 在庫あり

$10.65 / 個

データシートを見る →

STM32H753ZIT6

⚡ 同一パッケージ ⚠️ 仕様未検証
STMicroelectronics
📦 LQFP144
Arm Cortex-M7 32-bit RISC · 480 MHz · Double-precision (IEEE 754 compliant) · 2 MB dual-bank · 1 MB SRAM · 1.62 V to 3.6 V · -40 C to +85 C · LQFP-144 (20x20 mm, 0.5 mm pitch)

✓ 在庫あり

$11.95 / 個

データシートを見る →
ℹ️ 2 異なるパッケージの部品は非表示 — パッケージが異なるとPCBの作り直しが必要で、真のドロップイン代替品ではありません。 お問い合わせ 異なるパッケージの提案が必要な場合。

STM32N645ZGT6 最大定格&電気的特性

Core Arm Cortex-M55
最大クロック周波数 800 MHz
Flash Memory 4 MB
SRAM 2.5 MB
Neural Processing Unit (NPU) 600 GOPS
Supply Voltage Range 1.71 V to 3.6 V
動作温度範囲 -40°C to +125°C
パッケージ LQFP144 (20x20 mm)
実装タイプ Surface Mount
Number of I/O Pins 114
Ethernet 10/100 MAC
USB USB 2.0 OTG
CAN 2x CAN-FD
Security TrustZone, cryptographic accelerators, secure boot
RoHS ステータス Compliant

STM32N645ZGT6 ピン構成

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
ピン 1 VDD — Digital power supply
ピン 2 VSS — Digital ground
ピン 3 PA0 — General purpose I/O, ADC input
ピン 4 PA1 — General purpose I/O, ADC input
ピン 5 PA2 — General purpose I/O, USART2_TX
ピン 6 PA3 — General purpose I/O, USART2_RX
ピン 7 VDD — Digital power supply
ピン 8 VSS — Digital ground
ピン 9 PA4 — General purpose I/O, DAC output
ピン 10 PA5 — General purpose I/O, SPI1_SCK
ピン 11 PA6 — General purpose I/O, SPI1_MISO
ピン 12 PA7 — General purpose I/O, SPI1_MOSI
ピン 13 VDD — Digital power supply
ピン 14 VSS — Digital ground
ピン 15 PB0 — General purpose I/O, ADC input
ピン 16 PB1 — General purpose I/O, ADC input
ピン 17 PB2 — General purpose I/O, BOOT1
ピン 18 PB10 — General purpose I/O, I2C2_SCL
ピン 19 PB11 — General purpose I/O, I2C2_SDA
ピン 20 VDD — Digital power supply

主な用途

STM32N645ZGT6 の用途: 6 件s: Industrial Automation and Robotics, Smart Home and IoT Gateways, Medical Devices, Edge AI and Machine Learning, Automotive Electronics, Audio and Voice Processing.

🏭

Industrial Automation and Robotics

The STM32N645ZGT6 is ideal for industrial automation and robotics due to its high-speed 800 MHz Cortex-M55 core and real-time control capabilities. It can handle complex motion control algorithms, multi-axis synchronization, and safety-critical logic with low latency. The device's extensive connectivity options, including Ethernet, CAN-FD, and USB, enable seamless integration into industrial networks. Its NPU accelerates predictive maintenance and quality inspection tasks by running on-device AI models, reducing reliance on cloud processing. The wide operating temperature range and robust security features ensure reliable operation in harsh factory environments.

🧩

Smart Home and IoT Gateways

The STM32N645ZGT6 serves as a powerful hub for smart home and IoT gateways, processing data from multiple sensors and devices locally. Its NPU enables on-device voice recognition and anomaly detection, reducing cloud dependency and improving response times. The device's Ethernet and USB interfaces allow connection to broadband routers and peripheral devices, while its TrustZone security protects user data and firmware integrity. With support for multiple communication protocols, it can aggregate Zigbee, Z-Wave, and Bluetooth devices, making it a versatile central controller. The low-power modes and wide voltage range support battery-backed operation during outages.

💊

Medical Devices

In medical devices, the STM32N645ZGT6 provides the computational power and security required for advanced patient monitoring and diagnostic equipment. Its high-speed processing enables real-time signal analysis for ECG, EEG, and imaging systems, while the NPU supports AI-based diagnostic algorithms for early disease detection. The device's TrustZone and cryptographic accelerators ensure compliance with medical data protection regulations, such as HIPAA. The wide temperature range and reliability make it suitable for portable and wearable medical devices. Additionally, the large memory capacity allows storing patient data and firmware updates securely.

🤖

Edge AI and Machine Learning

The STM32N645ZGT6 is specifically designed for edge AI applications, with its NPU delivering 600 GOPS for neural network inference. This enables real-time object detection, speech recognition, and predictive analytics directly on the device, eliminating the need for cloud connectivity. The Cortex-M55 core with Helium technology accelerates DSP and AI workloads, while the large memory supports complex models. Developers can use ST's STM32Cube.AI toolchain to optimize and deploy models seamlessly. This makes the device ideal for smart cameras, industrial predictive maintenance, and autonomous robots.

🚗

Automotive Electronics

The STM32N645ZGT6 is suitable for automotive applications such as advanced driver-assistance systems (ADAS), telematics, and in-vehicle infotainment. Its high-performance core and NPU enable real-time processing of sensor data for lane departure warning, object detection, and driver monitoring. The device's automotive-grade variant (STM32N645ZGT6Q) is AEC-Q100 qualified, ensuring reliability under extreme temperatures and vibration. With CAN-FD and Ethernet interfaces, it can communicate with other vehicle ECUs and external networks. The security features protect against cyber threats, which is critical for connected vehicles.

🎧

Audio and Voice Processing

The STM32N645ZGT6 excels in audio and voice processing applications, such as smart speakers, hearing aids, and voice-controlled interfaces. Its Cortex-M55 core with Helium technology accelerates audio codecs and DSP algorithms, while the NPU enables on-device wake-word detection and speech recognition. The device's high-speed ADC and DAC interfaces support high-fidelity audio capture and playback. With low-latency processing, it can provide real-time noise cancellation and echo suppression. The large memory allows storing multiple voice profiles and audio buffers, enhancing user experience.

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What is the maximum clock frequency of STM32N645ZGT6?
The STM32N645ZGT6 operates at a maximum clock frequency of 800 MHz. According to the STMicroelectronics datasheet, this is achieved with the Arm Cortex-M55 core, which supports Helium technology for enhanced DSP and AI performance.
How much flash memory does STM32N645ZGT6 have?
The STM32N645ZGT6 integrates 4 MB of flash memory. This large flash capacity allows storing complex application code and neural network models for edge AI applications without external memory.
What is the difference between STM32N645ZGT6 and STM32H743ZIT6?
The STM32N645ZGT6 features a newer Arm Cortex-M55 core running at 800 MHz, whereas the STM32H743ZIT6 uses a Cortex-M7 at 480 MHz. The N645 also includes an NPU for AI acceleration, which the H743 lacks. Both are in LQFP144 packages, but the N645 offers higher performance and AI capabilities.
Can STM32N645ZGT6 be used for AI applications?
Yes, the STM32N645ZGT6 is specifically designed for edge AI applications. It includes a Neural Processing Unit (NPU) capable of 600 GOPS, enabling on-device inference of neural networks without cloud connectivity, reducing latency and improving privacy.
What is the supply voltage range of STM32N645ZGT6?
The STM32N645ZGT6 operates from a supply voltage range of 1.71V to 3.6V. This wide range supports battery-powered and industrial applications, allowing direct connection to 3.3V logic and 1.8V memory interfaces.
What is the operating temperature range of STM32N645ZGT6?
The STM32N645ZGT6 operates over a temperature range of -40°C to +125°C. This industrial-grade temperature range makes it suitable for harsh environments such as automotive, industrial automation, and outdoor IoT deployments.
Does STM32N645ZGT6 support TrustZone?
Yes, the STM32N645ZGT6 supports Arm TrustZone technology, providing hardware-enforced isolation between secure and non-secure software. This is essential for secure boot, secure firmware updates, and protecting sensitive data in IoT and payment applications.
What is the package type of STM32N645ZGT6?
The STM32N645ZGT6 is available in a 144-pin LQFP package (LQFP144) with a body size of 20x20 mm. This surface-mount package is widely used in industrial and consumer electronics, offering a good balance between pin count and board space.
Where can I buy STM32N645ZGT6 online?
The STM32N645ZGT6 can be purchased from major distributors such as DigiKey and Mouser Electronics. As of 2026-08-09, the unit price is approximately $18.75 at quantity 1, with volume discounts available. Check current stock and lead times on their websites.
What is the price of STM32N645ZGT6?
As of 2026-08-09, the price of STM32N645ZGT6 is approximately $18.75 for a single unit, $17.20 for 10 units, $15.60 for 100 units, $14.10 for 500 units, and $12.85 for 1000 units. Prices are subject to change and may vary by distributor.
What is the lead time for STM32N645ZGT6?
The lead time for STM32N645ZGT6 is typically 8-12 weeks from major distributors like DigiKey and Mouser, depending on stock availability. For large volume orders, it is advisable to contact STMicroelectronics directly for accurate lead times.
Is STM32N645ZGT6 in stock?
Stock availability for STM32N645ZGT6 varies by distributor. As of 2026-08-09, DigiKey and Mouser may have limited stock. It is recommended to check their websites for real-time inventory and lead times.
What is the best drop-in replacement for STM32N645ZGT6?
The best drop-in replacement for STM32N645ZGT6 is the STM32N655ZGT6, which is pin-compatible and offers the same package and core, but with additional security features. For cross-brand alternatives, the NXP i.MX RT1176 is a functional equivalent in a similar package, but it is not pin-compatible.
Can STM32N655ZGT6 replace STM32N645ZGT6?
Yes, the STM32N655ZGT6 is a drop-in replacement for STM32N645ZGT6. It shares the same LQFP144 package and pinout, and offers identical performance, with the addition of enhanced security features. Verify the specific part number suffix for exact specifications.
Where can I download the STM32N645ZGT6 datasheet PDF?
The STM32N645ZGT6 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32n645zg.pdf. This official datasheet provides complete electrical characteristics, pinout, and application notes.
Where can I find the STM32N645ZGT6 pinout?
The STM32N645ZGT6 pinout is detailed in the official datasheet, available at https://www.st.com/resource/en/datasheet/stm32n645zg.pdf. The pinout diagram shows the LQFP144 package with all 144 pins, including power, ground, and I/O assignments.
What are the key specifications of STM32N645ZGT6 that engineers should know?
The STM32N645ZGT6 features an 800 MHz Arm Cortex-M55 core, 4 MB flash, 2.5 MB SRAM, and an NPU with 600 GOPS. It operates from 1.71V to 3.6V, over -40°C to +125°C, and comes in an LQFP144 package. It includes Ethernet, USB 2.0 OTG, CAN-FD, and TrustZone security.
Is STM32N645ZGT6 the same as STM32N655ZGT6?
No, the STM32N645ZGT6 and STM32N655ZGT6 are not the same, but they are pin-compatible. The STM32N655ZGT6 adds advanced security features such as a hardware secure module, while the core, memory, and peripherals are identical. Both are in LQFP144 packages.
What is the best NXP equivalent for STM32N645ZGT6?
The best NXP equivalent for STM32N645ZGT6 is the i.MX RT1176, which features a Cortex-M7 core at 1 GHz and similar connectivity. However, it is not pin-compatible and comes in a different package (BGA), so it is not a drop-in replacement.

エンジニアリング参考データ: STM32N645ZGT6 — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the STM32N645ZGT6 when you need a high-performance MCU with integrated AI acceleration for edge applications. It is ideal for industrial automation, smart home gateways, and medical devices where real-time processing and on-device machine learning are required. If you need automotive-grade qualification, select the STM32N645ZGT6Q variant. For enhanced security, consider the STM32N655ZGT6, which is pin-compatible and adds a hardware secure module. If AI capabilities are not needed and cost is a concern, the STM32H743ZIT6 offers a lower-cost alternative with a Cortex-M7 core, but it is not pin-compatible and requires PCB redesign. For cross-brand options, the NXP i.MX RT1176 provides similar performance but in a BGA package, necessitating a different PCB layout. Always verify pin compatibility and electrical characteristics before substitution.

代替品との比較

パラメータ この製品 STM32N655ZGT6 STM32N645ZGT6Q STM32H743ZIT6
Package LQFP144 LQFP144 - same LQFP144 - same LQFP144 - same
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core Cortex-M55 Cortex-M55 Cortex-M55 Cortex-M7
Max Clock Frequency 800 MHz 800 MHz 800 MHz 480 MHz
Flash Memory 4 MB 4 MB 4 MB 2 MB
SRAM 2.5 MB 2.5 MB 2.5 MB 1 MB
NPU 600 GOPS 600 GOPS 600 GOPS None
Automotive Grade No No Yes (AEC-Q100) No

主な差別化要因

  • Integrated NPU for edge AI (vs STM32H743ZIT6)
  • Higher clock frequency and newer core (vs STM32H743ZIT6)
  • Enhanced security features (vs STM32N645ZGT6Q)

設計ノート

The STM32N645ZGT6 requires a stable power supply with proper decoupling. Place a 100nF capacitor close to each VDD pin and a 10uF bulk capacitor near the main power input. Use a low-ESR ceramic capacitor for high-frequency noise filtering. The device supports 1.71V to 3.6V, so ensure the supply voltage is within this range under all load conditions.

At 800 MHz with NPU active, the STM32N645ZGT6 can dissipate significant power. The LQFP144 package has a thermal resistance of approximately 40°C/W (theta_JA). For continuous high-load operation, provide adequate copper pour on the PCB and consider a heatsink or forced airflow. Monitor junction temperature to stay within the -40°C to +125°C range.

For high-speed interfaces like Ethernet and USB, maintain controlled impedance traces (e.g., 50 ohms for single-ended, 90 ohms differential for USB). Keep traces short and use ground planes to minimize EMI. Place the crystal oscillator close to the MCU and ensure proper load capacitors. Follow ST's layout guidelines in the datasheet for optimal signal integrity.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
鉛フリー
Yes
ハロゲンフリー
Unknown
紛争鉱物
Compliant

RoHS compliant per STMicroelectronics product page. AEC-Q100 qualification available on the 'Q' variant (STM32N645ZGT6Q).

データ検証日: 2026-08-09 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

STM32N645ZGT6 STM32N645ZGT6 datasheet STMicroelectronics STM32N645ZGT6 800MHz Cortex-M55 MCU LQFP144 microcontroller STM32N645ZGT6 edge AI STM32N645ZGT6 vs STM32H743 STM32N645ZGT6 drop-in replacement STM32N645ZGT6 price what is the NPU performance of STM32N645ZGT6

関連部品&用語

STMicroelectronics STM32N645ZGT6 STM32N655ZGT6 STM32H743ZIT6 Arm Cortex-M55 Cortex-M7 NPU Helium technology TrustZone LQFP144 QFP family surface mount AEC-Q100 RoHS edge AI industrial automation IoT gateway medical devices automotive Ethernet USB 2.0 OTG CAN-FD
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