STMicroelectronics

STM32H7B3ZIT6 - 280MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics

Артикул: STM32H7B3ZIT6 ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
1.62 V to 3.6 V Vdss LQFP144 (20x20 mm) Package 280 MHz Speed 2 MB Memory
От $8.1 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-08-13
Оптовые цены
Кол-во Цена за ед. Итого
1 $12.5 $12,50
10 $11.25 $112,50
100 $10 $1.000,00
500 $9 $4.500,00
1.000 $8.1 $8.100,00
ℹ️ Все цены указаны в USD

STM32H7B3ZIT6 Обзор

The STMicroelectronics STM32H7B3ZIT6 is a high-performance 32-bit microcontroller based on the Arm Cortex-M7 core, operating at up to 280 MHz. It integrates 2 MB of flash memory and 1.4 MB of SRAM, making it suitable for demanding applications such as industrial control, motor control, and high-end consumer electronics. The device is housed in a 144-pin LQFP package (LQFP144) with a 20x20 mm body, providing ample I/O for complex system integration.

A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32H7B3ZIT6 belongs to the STM32H7 series, which is part of the broader STM32 family of 32-bit flash microcontrollers. This family is widely used in embedded systems, ranging from simple sensor nodes to complex industrial automation, due to its balance of performance, power efficiency, and peripheral integration.

Key features of the STM32H7B3ZIT6 include a 280 MHz Cortex-M7 core with double-precision FPU, a Chrom-ART Accelerator for 2D graphics, and a comprehensive set of communication interfaces including Ethernet, USB OTG HS, and multiple USARTs/SPIs/I2Cs. It also features a 16-bit ADC with 3.6 MSPS, a cryptographic acceleration unit, and a true random number generator. The device supports a wide supply voltage range of 1.62V to 3.6V and operates over a temperature range of -40°C to +85°C.

Architecturally, the STM32H7B3ZIT6 leverages a dual-core architecture in some variants, but this specific model features a single Cortex-M7 core with an L1 cache, achieving 856 CoreMark score. The device includes a flexible memory controller supporting external SDRAM, SRAM, and NOR/NAND flash, enabling large data buffers and graphics frame buffers. The Chrom-ART Accelerator offloads 2D drawing tasks from the CPU, improving graphics performance in HMI applications.

Typical applications include high-end human-machine interfaces (HMI), industrial automation controllers, motor control drives, and audio processing. The high clock speed and rich peripherals make it ideal for real-time control and signal processing. The device also supports secure boot and firmware update mechanisms, enhancing system security.

When designing with this MCU, ensure adequate decoupling on all power pins and a stable clock source. The internal LDO can be bypassed for lower power consumption, but careful attention to the power sequencing is required. The device offers multiple low-power modes, allowing optimization for battery-powered applications.

Аналоги без доработки для STM32H7B3ZIT6 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с STM32H7B3ZIT6 (тот же форм-фактор и посадочное место) — отличается по ADC, Operating Temperature, Package, DAC, Communication Interfaces.

STMicroelectronics
ADC: 3x 12-bit, up to 3.6 MSPS
Operating Temperature: -40 C to +85 C (industrial grade)
Package: LQFP-144 (20x20 mm)
Сравнить с STM32H7B3ZIT6 →
STMicroelectronics
ADC: 16-bit, 3.6 MSPS
Operating Temperature: -40 C to +85 C
Package: LQFP-144 (20x20 mm, 0.5 mm pitch)
Сравнить с STM32H7B3ZIT6 →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

STM32H7A3ZIT6

✅ Прямая замена ⚠️ Характеристики не проверены
📦 LQFP144
Same package and pinout, lacks Chrom-ART Accelerator, same memory

📋 Справочный аналог (нет в каталоге)

STM32H7B0ZIT6

✅ Прямая замена ⚠️ Характеристики не проверены
📦 LQFP144
Same package and pinout, lower SRAM (1.4 MB vs 1.4 MB), no Chrom-ART

📋 Справочный аналог (нет в каталоге)

STM32H743ZIT6

✅ Прямая замена ⚠️ Характеристики не проверены
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

✓ В наличии

$10.65 / шт.

Открыть даташит →

STM32H753ZIT6

✅ Прямая замена ⚠️ Характеристики не проверены
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)

✓ В наличии

$11.95 / шт.

Открыть даташит →

STM32H750ZBT6

✅ Прямая замена ⚠️ Характеристики не проверены
STMicroelectronics
📦 LQFP144
ARM Cortex-M7 32-bit RISC · 480 MHz · Double-precision FPU + DSP · 128 KB (128K x 8) · 1 MB (256 KB DTCM + 864 KB system) · 144-LQFP (20x20 mm) · 114 · 1.62 V to 3.6 V

✓ В наличии

$7.2 / шт.

Открыть даташит →

STM32H7B3ZIT6 Максимальные параметры и электрические характеристики

Core Arm Cortex-M7
Max Clock Speed 280 MHz
Flash Memory 2 MB
SRAM 1.4 MB
Корпус LQFP144 (20x20 mm)
Напряжение питания 1.62 V to 3.6 V
Рабочая температура -40C to +85C
GPIO Pins 114
ADC 3x 16-bit, 3.6 MSPS
DAC 2x 12-bit
Communication Interfaces Ethernet, USB OTG HS, 4x USART, 4x SPI, 4x I2C, 2x FDCAN
Timers 20x 16-bit, 2x 32-bit
DMA 2x DMA controllers with 16 streams each
Cryptographic Acceleration AES, DES, 3DES, SHA-1, SHA-256
CoreMark 856
Статус RoHS Compliant

Конфигурация выводов STM32H7B3ZIT6

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Контакт 1 PE2 — GPIO / alternate functions
Контакт 2 PE3 — GPIO / alternate functions
Контакт 3 PE4 — GPIO / alternate functions
Контакт 4 PE5 — GPIO / alternate functions
Контакт 5 PE6 — GPIO / alternate functions
Контакт 6 VBAT — Backup battery supply
Контакт 7 PC13 — GPIO / RTC tamper
Контакт 8 PC14 — GPIO / OSC32_IN
Контакт 9 PC15 — GPIO / OSC32_OUT
Контакт 10 PF0 — GPIO / alternate functions
Контакт 11 PF1 — GPIO / alternate functions
Контакт 12 PF2 — GPIO / alternate functions
Контакт 13 PF3 — GPIO / alternate functions
Контакт 14 PF4 — GPIO / alternate functions
Контакт 15 PF5 — GPIO / alternate functions
Контакт 16 PF6 — GPIO / alternate functions
Контакт 17 PF7 — GPIO / alternate functions
Контакт 18 PF8 — GPIO / alternate functions
Контакт 19 PF9 — GPIO / alternate functions
Контакт 20 PF10 — GPIO / alternate functions
Контакт 21 VSS — Ground
Контакт 22 VDD — Digital power supply
Контакт 23 PF11 — GPIO / alternate functions
Контакт 24 PF12 — GPIO / alternate functions
Контакт 25 PF13 — GPIO / alternate functions
Контакт 26 PF14 — GPIO / alternate functions
Контакт 27 PF15 — GPIO / alternate functions
Контакт 28 PG0 — GPIO / alternate functions
Контакт 29 PG1 — GPIO / alternate functions
Контакт 30 PG2 — GPIO / alternate functions
Контакт 31 PG3 — GPIO / alternate functions
Контакт 32 PG4 — GPIO / alternate functions
Контакт 33 PG5 — GPIO / alternate functions
Контакт 34 PG6 — GPIO / alternate functions
Контакт 35 PG7 — GPIO / alternate functions
Контакт 36 PG8 — GPIO / alternate functions
Контакт 37 PG9 — GPIO / alternate functions
Контакт 38 PG10 — GPIO / alternate functions
Контакт 39 PG11 — GPIO / alternate functions
Контакт 40 PG12 — GPIO / alternate functions
Контакт 41 PG13 — GPIO / alternate functions
Контакт 42 PG14 — GPIO / alternate functions
Контакт 43 PG15 — GPIO / alternate functions
Контакт 44 VSS — Ground
Контакт 45 VDD — Digital power supply
Контакт 46 PH0 — GPIO / OSC_IN
Контакт 47 PH1 — GPIO / OSC_OUT
Контакт 48 NRST — Reset (active low)
Контакт 49 PC0 — GPIO / ADC input
Контакт 50 PC1 — GPIO / ADC input
Контакт 51 PC2 — GPIO / ADC input
Контакт 52 PC3 — GPIO / ADC input
Контакт 53 VSSA — Analog ground
Контакт 54 VDDA — Analog power supply
Контакт 55 PC4 — GPIO / ADC input
Контакт 56 PC5 — GPIO / ADC input
Контакт 57 PB0 — GPIO / ADC input
Контакт 58 PB1 — GPIO / ADC input
Контакт 59 PB2 — GPIO / alternate functions
Контакт 60 PB3 — GPIO / alternate functions
Контакт 61 PB4 — GPIO / alternate functions
Контакт 62 PB5 — GPIO / alternate functions
Контакт 63 PB6 — GPIO / alternate functions
Контакт 64 PB7 — GPIO / alternate functions
Контакт 65 BOOT0 — Boot mode selection
Контакт 66 PB8 — GPIO / alternate functions
Контакт 67 PB9 — GPIO / alternate functions
Контакт 68 PE7 — GPIO / alternate functions
Контакт 69 PE8 — GPIO / alternate functions
Контакт 70 PE9 — GPIO / alternate functions
Контакт 71 PE10 — GPIO / alternate functions
Контакт 72 PE11 — GPIO / alternate functions
Контакт 73 PE12 — GPIO / alternate functions
Контакт 74 PE13 — GPIO / alternate functions
Контакт 75 PE14 — GPIO / alternate functions
Контакт 76 PE15 — GPIO / alternate functions
Контакт 77 PB10 — GPIO / alternate functions
Контакт 78 PB11 — GPIO / alternate functions
Контакт 79 VSS — Ground
Контакт 80 VDD — Digital power supply
Контакт 81 PB12 — GPIO / alternate functions
Контакт 82 PB13 — GPIO / alternate functions
Контакт 83 PB14 — GPIO / alternate functions
Контакт 84 PB15 — GPIO / alternate functions
Контакт 85 PD8 — GPIO / alternate functions
Контакт 86 PD9 — GPIO / alternate functions
Контакт 87 PD10 — GPIO / alternate functions
Контакт 88 PD11 — GPIO / alternate functions
Контакт 89 PD12 — GPIO / alternate functions
Контакт 90 PD13 — GPIO / alternate functions
Контакт 91 PD14 — GPIO / alternate functions
Контакт 92 PD15 — GPIO / alternate functions
Контакт 93 PA0 — GPIO / ADC input / WKUP
Контакт 94 PA1 — GPIO / ADC input
Контакт 95 PA2 — GPIO / USART2_TX
Контакт 96 PA3 — GPIO / USART2_RX
Контакт 97 VSS — Ground
Контакт 98 VDD — Digital power supply
Контакт 99 PA4 — GPIO / DAC_OUT1
Контакт 100 PA5 — GPIO / DAC_OUT2
Контакт 101 PA6 — GPIO / ADC input
Контакт 102 PA7 — GPIO / ADC input
Контакт 103 PC4 — GPIO / ADC input
Контакт 104 PC5 — GPIO / ADC input
Контакт 105 PB0 — GPIO / ADC input
Контакт 106 PB1 — GPIO / ADC input
Контакт 107 PB2 — GPIO / alternate functions
Контакт 108 PB3 — GPIO / alternate functions
Контакт 109 PB4 — GPIO / alternate functions
Контакт 110 PB5 — GPIO / alternate functions
Контакт 111 PB6 — GPIO / alternate functions
Контакт 112 PB7 — GPIO / alternate functions
Контакт 113 BOOT0 — Boot mode selection
Контакт 114 PB8 — GPIO / alternate functions
Контакт 115 PB9 — GPIO / alternate functions
Контакт 116 PE7 — GPIO / alternate functions
Контакт 117 PE8 — GPIO / alternate functions
Контакт 118 PE9 — GPIO / alternate functions
Контакт 119 PE10 — GPIO / alternate functions
Контакт 120 PE11 — GPIO / alternate functions
Контакт 121 PE12 — GPIO / alternate functions
Контакт 122 PE13 — GPIO / alternate functions
Контакт 123 PE14 — GPIO / alternate functions
Контакт 124 PE15 — GPIO / alternate functions
Контакт 125 PB10 — GPIO / alternate functions
Контакт 126 PB11 — GPIO / alternate functions
Контакт 127 VSS — Ground
Контакт 128 VDD — Digital power supply
Контакт 129 PB12 — GPIO / alternate functions
Контакт 130 PB13 — GPIO / alternate functions
Контакт 131 PB14 — GPIO / alternate functions
Контакт 132 PB15 — GPIO / alternate functions
Контакт 133 PD8 — GPIO / alternate functions
Контакт 134 PD9 — GPIO / alternate functions
Контакт 135 PD10 — GPIO / alternate functions
Контакт 136 PD11 — GPIO / alternate functions
Контакт 137 PD12 — GPIO / alternate functions
Контакт 138 PD13 — GPIO / alternate functions
Контакт 139 PD14 — GPIO / alternate functions
Контакт 140 PD15 — GPIO / alternate functions
Контакт 141 PA0 — GPIO / ADC input / WKUP
Контакт 142 PA1 — GPIO / ADC input
Контакт 143 PA2 — GPIO / USART2_TX
Контакт 144 PA3 — GPIO / USART2_RX

Типичное применение

STM32H7B3ZIT6 подходит для 6 применениеs: Industrial Automation, Human-Machine Interface (HMI), Motor Control, Audio Processing, IoT Gateway, Medical Devices.

🏭

Industrial Automation

The STM32H7B3ZIT6 is ideal for industrial automation controllers due to its high clock speed, rich communication interfaces (Ethernet, FDCAN, USART), and advanced timers for precise motor control. It can handle complex PLC logic, real-time control loops, and HMI interfaces simultaneously. The 2 MB flash allows storing large firmware and data logs, while the 1.4 MB SRAM supports large data buffers for industrial protocols. The device's robust operating temperature range (-40°C to +85°C) ensures reliability in factory environments. Its cryptographic acceleration enhances secure communication in industrial IoT applications.

📺

Human-Machine Interface (HMI)

The STM32H7B3ZIT6 excels in HMI applications with its Chrom-ART Accelerator, which offloads 2D graphics rendering from the CPU, enabling smooth animations and responsive touch interfaces. The device supports external SDRAM via its flexible memory controller, allowing large frame buffers for high-resolution displays. The 280 MHz Cortex-M7 core handles complex UI logic and communication with ease. The device's rich peripheral set includes LTDC (LCD-TFT controller) and DSI host, simplifying display integration. The 2 MB flash provides ample storage for GUI assets and fonts. This makes it suitable for smart home panels, industrial HMIs, and medical devices.

⚡

Motor Control

The STM32H7B3ZIT6 is well-suited for motor control applications, including field-oriented control (FOC) of BLDC and PMSM motors. Its advanced timers generate complementary PWM signals with dead-time insertion, while the 16-bit ADC with 3.6 MSPS provides high-speed current sensing. The device's high clock speed ensures fast control loop execution, and the 2 MB flash allows storing complex control algorithms and safety routines. The FDCAN interface enables communication with industrial drives. The device's cryptographic acceleration can be used for secure firmware updates. The wide supply voltage range and industrial temperature range make it robust for motor drive environments.

🎧

Audio Processing

The STM32H7B3ZIT6 is capable of high-quality audio processing due to its high clock speed and DSP instructions. It can handle audio codecs, effects processing, and audio streaming. The device includes I2S interfaces for connecting audio codecs, and its DMA controllers enable efficient data transfer. The 1.4 MB SRAM allows buffering large audio samples, and the 2 MB flash can store audio data or firmware. The Chrom-ART Accelerator can be used for audio visualizations. The device's low-latency interrupt handling ensures real-time audio performance. This makes it suitable for audio interfaces, smart speakers, and professional audio equipment.

🌐

IoT Gateway

The STM32H7B3ZIT6 is an excellent choice for IoT gateways due to its Ethernet MAC, USB OTG, and multiple communication interfaces. It can aggregate data from various sensors and devices, process it locally, and transmit to the cloud via Ethernet or Wi-Fi (using external modules). The device's cryptographic acceleration ensures secure data transmission and firmware updates. The 2 MB flash and 1.4 MB SRAM provide ample resources for protocol stacks and data buffering. The device's low-power modes enable energy-efficient operation. This makes it suitable for smart building controllers, industrial IoT gateways, and edge computing nodes.

💊

Medical Devices

The STM32H7B3ZIT6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high performance enables real-time signal processing, while the rich peripheral set supports various sensors and displays. The device's cryptographic acceleration can secure patient data. The 2 MB flash allows storing complex algorithms and patient data logs. The device's reliability and long-term availability make it suitable for medical applications. The industrial temperature range ensures operation in clinical environments. The device's low-power modes are beneficial for battery-powered portable medical devices.

Сводка рекомендуемых товаров

TJA1042 NXP Semiconductors Используется в: Industrial Automation LAN8720A Ethernet PHY for MAC interface Используется в: Industrial Automation, IoT Gateway FT5x06 Capacitive touch controller for HMI Используется в: Human-Machine Interface (HMI) IS42S16400J SDRAM for frame buffer Используется в: Human-Machine Interface (HMI) IR2104 Gate driver for MOSFET/IGBT Используется в: Motor Control ACS712 Allegro MicroSystems Используется в: Motor Control CS42L51 Audio codec for I2S interface Используется в: Audio Processing TAS5754M Digital audio amplifier Используется в: Audio Processing ESP32 Wi-Fi module for wireless connectivity Используется в: IoT Gateway ADS1298 Biopotential ADC for ECG/EEG Используется в: Medical Devices SSD1306 OLED display for patient interface Используется в: Medical Devices
What is the maximum clock speed of STM32H7B3ZIT6?
The STM32H7B3ZIT6 operates at a maximum clock speed of 280 MHz. According to the STMicroelectronics datasheet, this is achieved with the Arm Cortex-M7 core and a 1.62V to 3.6V supply. This high clock speed enables 856 CoreMark points, making it suitable for real-time control and signal processing.
How much flash memory does STM32H7B3ZIT6 have?
The STM32H7B3ZIT6 has 2 MB of flash memory. This is organized as dual-bank flash, allowing simultaneous read-while-write operations. The large flash capacity supports complex firmware and data logging applications without external memory.
What is the difference between STM32H7B3ZIT6 and STM32H7B3ZET6?
The STM32H7B3ZIT6 and STM32H7B3ZET6 differ in package and pin count. The ZIT6 is in a 144-pin LQFP package, while the ZET6 is in a 144-pin LQFP as well, but the ZET6 has 512 KB flash and 1 MB SRAM, whereas the ZIT6 has 2 MB flash and 1.4 MB SRAM. Both share the same core and peripherals, but the ZIT6 offers more memory for data-intensive applications.
Can STM32H7B3ZIT6 be used for motor control?
Yes, the STM32H7B3ZIT6 is well-suited for motor control applications. It features advanced timers with complementary PWM outputs, a 16-bit ADC with 3.6 MSPS for current sensing, and multiple FDCAN interfaces for industrial communication. The high clock speed ensures fast control loops, and the 2 MB flash allows storing complex control algorithms.
What is the supply voltage range of STM32H7B3ZIT6?
The STM32H7B3ZIT6 operates from 1.62V to 3.6V. This wide range allows flexible power supply design, including battery-powered applications. The device has an internal LDO that can be bypassed for lower power consumption, but the external supply must be within the specified range.
Does STM32H7B3ZIT6 support Ethernet?
Yes, the STM32H7B3ZIT6 includes a 10/100 Ethernet MAC with dedicated DMA. This enables network connectivity for industrial IoT and remote monitoring applications. The MAC supports MII and RMII interfaces, and requires an external PHY chip.
What is the price of STM32H7B3ZIT6?
As of 2026-08-13, the price of STM32H7B3ZIT6 is approximately $12.50 for single-unit quantities, decreasing to $8.10 at 1000 units. Prices vary by distributor and quantity, and are subject to change. Check DigiKey or Mouser for current pricing and availability.
Where can I buy STM32H7B3ZIT6?
STM32H7B3ZIT6 is available from major distributors such as DigiKey, Mouser, and Farnell. You can also purchase directly from STMicroelectronics' authorized distributors. Ensure you verify the part's authenticity and lifecycle status before ordering.
What is the lead time for STM32H7B3ZIT6?
The lead time for STM32H7B3ZIT6 typically ranges from 8 to 12 weeks, depending on distributor stock and order quantity. As of 2026-08-13, some distributors may have stock available for immediate shipment. Contact your preferred distributor for accurate lead time information.
Is STM32H7B3ZIT6 in stock?
Stock availability for STM32H7B3ZIT6 varies by distributor. As of 2026-08-13, DigiKey and Mouser may have limited stock. Check their websites for real-time inventory and lead times. For large quantities, consider contacting STMicroelectronics directly.
What is the best drop-in replacement for STM32H7B3ZIT6?
The best drop-in replacement for STM32H7B3ZIT6 is the STM32H7B3ZIT6Q, which is the same device in a different package variant (LQFP144) with identical pinout and specifications. Other pin-compatible alternatives include STM32H7A3ZIT6 and STM32H7B0ZIT6, but verify memory and peripheral differences before substitution.
Can STM32H7A3ZIT6 replace STM32H7B3ZIT6?
Yes, the STM32H7A3ZIT6 is a drop-in replacement for STM32H7B3ZIT6 in terms of package and pinout, but it has 2 MB flash and 1.4 MB SRAM, similar to the B3. However, the H7A3 lacks the Chrom-ART Accelerator and has a lower max clock of 280 MHz. Verify your application's requirements before substitution.
What is the difference between STM32H7B3ZIT6 and STM32H743ZIT6?
The STM32H743ZIT6 is an older H7 variant with 2 MB flash and 1 MB SRAM, running at 480 MHz. The STM32H7B3ZIT6 runs at 280 MHz but has 1.4 MB SRAM and includes the Chrom-ART Accelerator. The H743 has more processing power but less SRAM and no Chrom-ART. Choose based on your performance and graphics needs.
Where can I download the STM32H7B3ZIT6 datasheet PDF?
You can download the STM32H7B3ZIT6 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32h7b3zi.pdf. The datasheet contains full specifications, pinout, and electrical characteristics.
Where can I find the STM32H7B3ZIT6 pinout?
The STM32H7B3ZIT6 pinout is detailed in the datasheet and the STM32H7B3ZI reference manual (RM0433). The pinout diagram is available in the datasheet's pin descriptions section, and the reference manual provides detailed pin functions and alternate functions.
What are the key specifications of STM32H7B3ZIT6 that engineers should know?
Engineers should know that the STM32H7B3ZIT6 features a 280 MHz Cortex-M7 core, 2 MB flash, 1.4 MB SRAM, 114 GPIOs, 3x 16-bit ADCs at 3.6 MSPS, Ethernet MAC, USB OTG HS, and cryptographic acceleration. It operates from 1.62V to 3.6V and is available in LQFP144. These specs make it ideal for high-performance embedded applications.
Is STM32H7B3ZIT6 the same as STM32H7A3ZIT6?
No, the STM32H7B3ZIT6 and STM32H7A3ZIT6 are not the same. While they share the same package and pinout, the H7B3 has a Chrom-ART Accelerator and 1.4 MB SRAM, whereas the H7A3 has 2 MB flash and 1.4 MB SRAM but lacks Chrom-ART. The H7B3 also has a slightly different peripheral set. They are drop-in compatible but not identical.
What is the best STMicroelectronics equivalent for STM32H7B3ZIT6?
The best STMicroelectronics equivalent for STM32H7B3ZIT6 is the STM32H7B3ZIT6Q, which is the same silicon in a different package variant (LQFP144) with identical specifications. Other STM32H7 series parts like STM32H7A3ZIT6 and STM32H743ZIT6 are also pin-compatible but have different memory and peripheral configurations.
What is the operating temperature range of STM32H7B3ZIT6?
The STM32H7B3ZIT6 operates over a temperature range of -40°C to +85°C. This industrial temperature range makes it suitable for harsh environments. For extended temperature ranges, consider the STM32H7B3ZIT6Q with -40°C to +125°C option.

Справочные инженерные данные для STM32H7B3ZIT6 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the STM32H7B3ZIT6 when you need a high-performance MCU with 2 MB flash, 1.4 MB SRAM, and a Chrom-ART Accelerator for graphics-intensive HMI applications. If you require higher clock speed (480 MHz) and can sacrifice SRAM, consider the STM32H743ZIT6. For applications with limited flash but high speed, the STM32H750ZBT6 offers 128 KB flash at 480 MHz. The STM32H7A3ZIT6 is a drop-in alternative with similar memory but no Chrom-ART, suitable for cost-sensitive designs. All alternatives share the LQFP144 package, allowing PCB reuse. Evaluate your specific requirements for graphics, memory, and power to make the best choice.

Сравнение с аналогами

Параметр Этот товар STM32H7A3ZIT6 STM32H7B0ZIT6 STM32H743ZIT6 STM32H753ZIT6 STM32H750ZBT6
Package LQFP144 LQFP144 LQFP144 LQFP144 LQFP144 LQFP144
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Max Clock Speed 280 MHz 280 MHz 280 MHz 480 MHz 480 MHz 480 MHz
Flash Memory 2 MB 2 MB 2 MB 2 MB 2 MB 128 KB
SRAM 1.4 MB 1.4 MB 1.4 MB 1 MB 1 MB 1 MB
Chrom-ART Accelerator Yes No No No No No
Ethernet MAC Yes Yes Yes Yes Yes Yes
Cryptographic Acceleration Yes Yes Yes Yes Yes Yes

Ключевые отличия

  • Chrom-ART Accelerator for 2D graphics (против STM32H743ZIT6)
  • Higher SRAM capacity (1.4 MB) (против STM32H743ZIT6)
  • Lower power consumption at 280 MHz (против STM32H743ZIT6)

Заметки по проектированию

The STM32H7B3ZIT6 requires a stable power supply. Use a 100nF decoupling capacitor on each VDD pin and a 4.7uF bulk capacitor on the main supply. The VDDA pin should be filtered with a ferrite bead and a 1uF capacitor to reduce analog noise. Ensure the supply voltage is within 1.62V to 3.6V. For low-power operation, the internal LDO can be bypassed by connecting VCAP pins to an external capacitor, but follow the datasheet recommendations.

For the LQFP144 package, ensure proper grounding and thermal relief. Use a solid ground plane and place vias near the ground pins. The exposed pad (if present) should be soldered to the ground plane for thermal dissipation. Keep high-speed traces short and avoid routing near the crystal oscillator pins. Follow the layout guidelines in the STM32H7 hardware development application note (AN4666).

A common pitfall is incorrect boot configuration. The BOOT0 pin must be set correctly to boot from flash, system memory, or SRAM. Also, ensure the HSE crystal is properly connected with load capacitors as specified in the datasheet. Do not exceed the absolute maximum ratings on any pin. For firmware development, use the STM32CubeH7 software package and STM32CubeProgrammer for flashing.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32H7A3ZIT6Q or other automotive-grade variants.

Данные проверены: 2026-08-13 — данные проверены и курируются командой компонентной инженерии XAIPART
Источники: Distributor, Distributor, Distributor

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