STMicroelectronics

STM32H753ZIT6 - 480MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics

N.º de pieza: STM32H753ZIT6 ✓ Activo
En stock Se envía en 1-3 días hábiles
1.62 V to 3.6 V Vdss LQFP-144 (20x20 mm, 0.5 mm pitch) Package 480 MHz Speed 2 MB dual-bank Memory
Desde $11.95 USD / unidad
MOQ: 1 |
Precio actualizado: 2026-10-21
Precios por volumen
Cant. Precio unitario Total
1 $18.42 $18,42
10 $16.58 $165,80
100 $14.75 $1.475,00
500 $13.28 $6.640,00
1.000 $11.95 $11.950,00
ℹ️ Todos los precios están en USD

STM32H753ZIT6 Descripción general

The STMicroelectronics STM32H753ZIT6 is a high-performance 32-bit Arm Cortex-M7 microcontroller running at up to 480 MHz with 2 MB of dual-bank Flash and 1 MB of SRAM, housed in a 144-pin LQFP (20x20 mm, 0.5 mm pitch) package. It integrates a double-precision floating-point unit (FPU), a Chrom-ART Accelerator for 2D graphics, and a hardware cryptographic processor.

A microcontroller (MCU) is a compact integrated circuit that combines a processor core, non-volatile program memory, volatile data memory, and programmable peripherals on a single die, allowing it to govern a dedicated embedded function without external support chips. The STM32H753ZIT6 sits at the top of the STM32H7 hierarchy: Cortex-M7 core -> STM32H7 series -> STM32 32-bit MCU family -> embedded microcontroller -> semiconductor. This position makes it the natural upgrade path from Cortex-M4/M3 designs that have run out of compute headroom.

Key differentiators include the 480 MHz Cortex-M7 core with DSP and double-precision FPU instructions, 2 MB dual-bank Flash supporting read-while-write for live firmware updates, 1 MB SRAM, and a rich connectivity set: Ethernet MAC, USB OTG HS/FS, CAN FD, and multiple USART/SPI/I2C instances. A 16-bit ADC at 3.6 MSPS, a 12-bit DAC, and advanced motor-control timers round out the analog and control capability.

Technically, the device is fabricated on a 40 nm process and operates from a 1.62 V to 3.6 V supply over -40 C to +85 C. An on-chip power management unit provides Sleep, Stop, and Standby modes for battery-powered designs, while the integrated LDO/SMPS regulator architecture differs from earlier STM32F7 designs that used a BYPASS_REG pin.

Typical applications include industrial automation (PLCs, robotics), motor control (drives, pumps), medical devices (patient monitors, infusion pumps), and high-end audio equipment. The high clock speed and DSP instructions suit real-time signal processing, while the Chrom-ART Accelerator supports advanced graphical user interfaces.

When designing with this MCU, decouple every VDD pin with a 100 nF capacitor placed close to the pin plus a 4.7 uF bulk capacitor, and feed VDDA through a ferrite bead from a dedicated analog supply. For Ethernet and USB HS, follow the STM32H7 reference manual (RM0433) layout guidance to preserve signal integrity.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, second-sourcing, and layout decisions.

Alternativas directas para STM32H753ZIT6 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.

Variantes de esta serie

Modelos de la misma serie compatibles directamente con STM32H753ZIT6 (mismo factor de forma y huella) — difiere en Operating Temperature, Package, ADC, Communication Interfaces, SRAM.

STMicroelectronics
Operating Temperature: -40 C to +85 C (industrial grade)
Package: LQFP-144 (20x20 mm)
ADC: 3x 12-bit, up to 3.6 MSPS
Comparar con STM32H753ZIT6 →
STMicroelectronics
Operating Temperature: -40°C to +85°C
Package: LQFP144
Communication Interfaces: UART, SPI, I2C, CAN, USB, Ethernet
Comparar con STM32H753ZIT6 →
STMicroelectronics
Operating Temperature: -40C to +85C
Package: LQFP144 (20x20 mm)
ADC: 3x 16-bit, 3.6 MSPS
Comparar con STM32H753ZIT6 →

Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:

STM32H743ZIT6

STMicroelectronics
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

✓ En stock

$10.65 / unidad

Ver hoja de datos →

STM32H753IIT6

STMicroelectronics
ARM Cortex-M7 with DP-FPU and DSP · 480 MHz · 1027 DMIPS · 2424 CoreMark · 2 MB · 1 MB (256 KB DTCM + 256 KB AXI SRAM + 64 KB ITCM + backup SRAM) · 16 KB I-cache + 16 KB D-cache · 1.62 V to 3.6 V (3.3 V typical I/O)

✓ En stock

$9.45 / unidad

Ver hoja de datos →

STM32H753BGT6

STMicroelectronics
Arm Cortex-M7 · 480 MHz · 2 MB · 1 MB · 1.62 V to 3.6 V · LQFP-144 (20x20 mm) · -40C to +85C · 114

✓ En stock

$11.5 / unidad

Ver hoja de datos →

STM32H745IIT6

STMicroelectronics
Dual-core Arm Cortex-M7 + Cortex-M4 with FPU · 480 MHz · 240 MHz · 2 MB (dual-bank, with secure sector) · 1 MB (192 KB DTCM/AXI + 64 KB DTCM for M4 + 462 KB system SRAM + 4 KB backup) · 1.62 V to 3.6 V · 176-pin LQFP (24x24 mm) · Surface Mount

✓ En stock

$10.62 / unidad

Ver hoja de datos →

STM32H750ZBT6

same LQFP-144 footprint and 480 MHz core; Flash reduced to 128 KB (-94%) and no crypto accelerator

📋 Alternativa de referencia (no en el catálogo)

STM32H753ZIT6 Valores máximos y características eléctricas

Core Architecture Arm Cortex-M7 32-bit RISC
Maximum CPU Frequency 480 MHz
Floating Point Unit Double-precision (IEEE 754 compliant)
Program Memory (Flash) 2 MB dual-bank
RAM 1 MB SRAM
Supply Voltage Range 1.62 V to 3.6 V
Temperatura de funcionamiento -40 C to +85 C
Encapsulado LQFP-144 (20x20 mm, 0.5 mm pitch)
Número de pines 144
Process Technology 40 nm
ADC 16-bit, 3.6 MSPS
DAC 12-bit
Ethernet 10/100 MAC with DMA
USB OTG HS/FS
CAN CAN FD
Graphics Accelerator Chrom-ART Accelerator (2D)
Cryptographic Accelerator Hardware crypto processor
Low-Power Modes Sleep, Stop, Standby
Tipo de montaje Surface Mount
Estado RoHS Compliant

Configuración de pines de STM32H753ZIT6

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Pin 1 PE2 — GPIO port E bit 2
Pin 2 PE3 — GPIO port E bit 3
Pin 3 PE4 — GPIO port E bit 4
Pin 4 PE5 — GPIO port E bit 5
Pin 5 PE6 — GPIO port E bit 6
Pin 6 VBAT — Backup domain supply
Pin 7 PC13 — GPIO port C bit 13
Pin 8 PC14-OSC32_IN — GPIO / 32.768 kHz crystal input
Pin 9 PC15-OSC32_OUT — GPIO / 32.768 kHz crystal output
Pin 10 PF0 — GPIO port F bit 0
Pin 11 PF1 — GPIO port F bit 1
Pin 12 PF2 — GPIO port F bit 2
Pin 13 PF3 — GPIO port F bit 3
Pin 14 PF4 — GPIO port F bit 4
Pin 15 PF5 — GPIO port F bit 5
Pin 16 VSS — Ground
Pin 17 VDD — Digital power supply
Pin 18 PF6 — GPIO port F bit 6
Pin 19 PF7 — GPIO port F bit 7
Pin 20 PF8 — GPIO port F bit 8
Pin 21 PF9 — GPIO port F bit 9
Pin 22 PF10 — GPIO port F bit 10
Pin 23 PH0-OSC_IN — GPIO / HSE crystal input
Pin 24 PH1-OSC_OUT — GPIO / HSE crystal output
Pin 25 NRST — Reset input (active low)
Pin 26 PC0 — GPIO port C bit 0
Pin 27 PC1 — GPIO port C bit 1
Pin 28 PC2_C — GPIO / analog input
Pin 29 PC3_C — GPIO / analog input
Pin 30 VDD — Digital power supply
Pin 31 VSSA — Analog ground
Pin 32 VREF+ — ADC/DAC reference voltage
Pin 33 VDDA — Analog power supply
Pin 34 PA0 — GPIO port A bit 0
Pin 35 PA1 — GPIO port A bit 1
Pin 36 PA2 — GPIO port A bit 2
Pin 37 PA3 — GPIO port A bit 3
Pin 38 VSS — Ground
Pin 39 VDD — Digital power supply
Pin 40 PA4 — GPIO port A bit 4
Pin 41 PA5 — GPIO port A bit 5
Pin 42 PA6 — GPIO port A bit 6
Pin 43 PA7 — GPIO port A bit 7
Pin 44 PC4 — GPIO port C bit 4
Pin 45 PC5 — GPIO port C bit 5
Pin 46 PB0 — GPIO port B bit 0
Pin 47 PB1 — GPIO port B bit 1
Pin 48 PB2 — GPIO port B bit 2
Pin 49 PF11 — GPIO port F bit 11
Pin 50 PF12 — GPIO port F bit 12
Pin 51 VSS — Ground
Pin 52 VDD — Digital power supply
Pin 53 PF13 — GPIO port F bit 13
Pin 54 PF14 — GPIO port F bit 14
Pin 55 PF15 — GPIO port F bit 15
Pin 56 PG0 — GPIO port G bit 0
Pin 57 PG1 — GPIO port G bit 1
Pin 58 PE7 — GPIO port E bit 7
Pin 59 PE8 — GPIO port E bit 8
Pin 60 PE9 — GPIO port E bit 9
Pin 61 VSS — Ground
Pin 62 VDD — Digital power supply
Pin 63 PE10 — GPIO port E bit 10
Pin 64 PE11 — GPIO port E bit 11
Pin 65 PE12 — GPIO port E bit 12
Pin 66 PE13 — GPIO port E bit 13
Pin 67 PE14 — GPIO port E bit 14
Pin 68 PE15 — GPIO port E bit 15
Pin 69 PB10 — GPIO port B bit 10
Pin 70 PB11 — GPIO port B bit 11
Pin 71 VCAP — Core regulator capacitor
Pin 72 VDD — Digital power supply
Pin 73 PB12 — GPIO port B bit 12
Pin 74 PB13 — GPIO port B bit 13
Pin 75 PB14 — GPIO port B bit 14
Pin 76 PB15 — GPIO port B bit 15
Pin 77 PD8 — GPIO port D bit 8
Pin 78 PD9 — GPIO port D bit 9
Pin 79 PD10 — GPIO port D bit 10
Pin 80 PD11 — GPIO port D bit 11
Pin 81 PD12 — GPIO port D bit 12
Pin 82 PD13 — GPIO port D bit 13
Pin 83 VSS — Ground
Pin 84 VDD — Digital power supply
Pin 85 PD14 — GPIO port D bit 14
Pin 86 PD15 — GPIO port D bit 15
Pin 87 PG2 — GPIO port G bit 2
Pin 88 PG3 — GPIO port G bit 3
Pin 89 PG4 — GPIO port G bit 4
Pin 90 PG5 — GPIO port G bit 5
Pin 91 PG6 — GPIO port G bit 6
Pin 92 PG7 — GPIO port G bit 7
Pin 93 PG8 — GPIO port G bit 8
Pin 94 VSS — Ground
Pin 95 VDD — Digital power supply
Pin 96 PC6 — GPIO port C bit 6
Pin 97 PC7 — GPIO port C bit 7
Pin 98 PC8 — GPIO port C bit 8
Pin 99 PC9 — GPIO port C bit 9
Pin 100 PA8 — GPIO port A bit 8
Pin 101 PA9 — GPIO port A bit 9
Pin 102 PA10 — GPIO port A bit 10
Pin 103 PA11 — GPIO port A bit 11
Pin 104 PA12 — GPIO port A bit 12
Pin 105 PA13 — GPIO port A bit 13
Pin 106 VSS — Ground
Pin 107 VDD — Digital power supply
Pin 108 PA14 — GPIO port A bit 14
Pin 109 PA15 — GPIO port A bit 15
Pin 110 PC10 — GPIO port C bit 10
Pin 111 PC11 — GPIO port C bit 11
Pin 112 PC12 — GPIO port C bit 12
Pin 113 PD0 — GPIO port D bit 0
Pin 114 PD1 — GPIO port D bit 1
Pin 115 PD2 — GPIO port D bit 2
Pin 116 PD3 — GPIO port D bit 3
Pin 117 PD4 — GPIO port D bit 4
Pin 118 PD5 — GPIO port D bit 5
Pin 119 VSS — Ground
Pin 120 VDD — Digital power supply
Pin 121 PD6 — GPIO port D bit 6
Pin 122 PD7 — GPIO port D bit 7
Pin 123 PG9 — GPIO port G bit 9
Pin 124 PG10 — GPIO port G bit 10
Pin 125 PG11 — GPIO port G bit 11
Pin 126 PG12 — GPIO port G bit 12
Pin 127 PG13 — GPIO port G bit 13
Pin 128 PG14 — GPIO port G bit 14
Pin 129 VSS — Ground
Pin 130 VDD — Digital power supply
Pin 131 PG15 — GPIO port G bit 15
Pin 132 PB3 — GPIO port B bit 3
Pin 133 PB4 — GPIO port B bit 4
Pin 134 PB5 — GPIO port B bit 5
Pin 135 PB6 — GPIO port B bit 6
Pin 136 PB7 — GPIO port B bit 7
Pin 137 BOOT0 — Boot mode selection
Pin 138 PB8 — GPIO port B bit 8
Pin 139 PB9 — GPIO port B bit 9
Pin 140 PE0 — GPIO port E bit 0
Pin 141 PE1 — GPIO port E bit 1
Pin 142 VSS — Ground
Pin 143 VDD — Digital power supply
Pin 144 PDR_ON — Power-down reset enable

Aplicaciones típicas

STM32H753ZIT6 es adecuado para 6 aplicacións: Industrial Automation and PLCs, Motor Control and Drives, Medical Devices and Patient Monitors, Edge AI and Real-Time Signal Processing, High-End Audio and Graphical HMI, Networking and Communication Gateways.

🏭

Industrial Automation and PLCs

The STM32H753ZIT6 fits industrial programmable logic controllers because its 480 MHz Cortex-M7 core executes ladder-logic and motion-control loops with deterministic timing, while the 2 MB dual-bank Flash allows firmware updates without stopping the production line. Ethernet MAC and CAN FD interfaces connect directly to plant networks and fieldbus segments, and the 16-bit 3.6 MSPS ADC digitizes analog sensor inputs for process control. In a typical PLC design the MCU sits between isolated digital I/O and the backplane bus, running a real-time operating system. The trade-off is power: at 480 MHz the core draws substantially more than a Cortex-M4, so thermal vias and a copper pour under the LQFP-144 exposed pad are recommended for sealed enclosures.

⚡

Motor Control and Drives

The STM32H753ZIT6 is designed for field-oriented control of three-phase motors: its advanced timers generate complementary PWM with programmable dead-time, the 16-bit ADC samples phase currents at 3.6 MSPS to close the current loop, and the Cortex-M7 DSP instructions execute Park/Clarke transforms in a few cycles. At 480 MHz the device can run PWM frequencies above 20 kHz while still leaving headroom for position-loop and communication tasks. The dual-bank Flash enables over-the-air firmware updates in pumps and drives that cannot be taken offline. Designers should note that the integrated SMPS/LDO regulator architecture differs from STM32F7 parts, so the power-supply schematic must be reworked when migrating from an F7 design.

💊

Medical Devices and Patient Monitors

The STM32H753ZIT6 suits patient monitors and infusion pumps because the hardware cryptographic accelerator provides secure boot and encrypted firmware storage, a requirement for connected medical equipment, while the 16-bit ADC and 12-bit DAC handle physiological signal acquisition and calibration output. The 2 MB dual-bank Flash supports fail-safe firmware updates in devices that must remain certified and available. In a monitor design the MCU processes ECG or SpO2 sample streams in real time and drives a graphical display through the Chrom-ART Accelerator. The main trade-off is that the -40 C to +85 C industrial grade is not AEC-Q100 qualified, so automotive-grade medical platforms should evaluate the STM32H7 automotive variants instead.

🧩

Edge AI and Real-Time Signal Processing

The STM32H753ZIT6 brings edge-AI inference to embedded systems through its 480 MHz Cortex-M7 core with double-precision FPU and DSP extensions, which accelerate neural-network kernels and FIR/FFT filtering without an external accelerator. 1 MB of SRAM holds intermediate tensors for small convolutional models, and the 2 MB Flash stores weights and application code. In a predictive-maintenance node the MCU runs vibration FFT analysis and a classifier locally, sending only results over Ethernet or CAN FD. The trade-off versus a dedicated NPU is throughput per watt: the Cortex-M7 is flexible but slower than a fixed-function accelerator, so designers should profile model latency before committing to this part.

🎧

High-End Audio and Graphical HMI

The STM32H753ZIT6 supports high-end audio and graphical user interfaces because the Chrom-ART Accelerator offloads 2D blitting and alpha-blending from the CPU, allowing smooth display updates on TFT panels while the Cortex-M7 core runs audio DSP. The 12-bit DAC and I2S/SAI peripherals interface directly to audio codecs, and the 480 MHz core executes sample-rate conversion and equalization in real time. In an audio mixer the MCU handles USB audio streaming, DSP effects, and a touchscreen UI concurrently. The design consideration is memory bandwidth: driving a large RGB display from internal SRAM competes with audio buffers, so external SDRAM via the FMC is often added for framebuffer storage.

🌐

Networking and Communication Gateways

The STM32H753ZIT6 is used in industrial gateways and protocol converters because it integrates a 10/100 Ethernet MAC with DMA, USB OTG HS/FS, and CAN FD on a single die, eliminating external bridge chips. The 480 MHz core runs TCP/IP stacks, Modbus, and protocol translation with low latency, while the hardware crypto accelerator offloads TLS handshakes for secure cloud connectivity. In a gateway design the MCU bridges a CAN FD fieldbus to an Ethernet backhaul, buffering frames in the 1 MB SRAM. The trade-off is that the integrated Ethernet MAC requires an external PHY and magnetics, so board area and BOM cost must account for those components plus the RM0433-recommended layout practices.

What is the maximum CPU frequency of the STM32H753ZIT6?
The STM32H753ZIT6 runs its Arm Cortex-M7 core at up to 480 MHz. According to the STMicroelectronics STM32H753xI datasheet, this delivers 1027 DMIPS and 2400 CoreMark at full speed, with the double-precision FPU and DSP instructions executing in single-cycle throughput for many operations.
How much Flash and RAM does the STM32H753ZIT6 have?
The STM32H753ZIT6 integrates 2 MB of dual-bank Flash and 1 MB of SRAM. The dual-bank Flash supports read-while-write, so firmware can be updated in one bank while the CPU executes from the other, which is essential for field-upgradeable industrial and medical products.
What package is the STM32H753ZIT6 in?
The STM32H753ZIT6 is supplied in a 144-pin LQFP package with a 20x20 mm body and 0.5 mm lead pitch. The 'Z' in the part number denotes the 144-pin count and the 'I' denotes the industrial temperature range of -40 C to +85 C.
What is the difference between STM32H753ZIT6 and STM32H743ZIT6?
The STM32H753ZIT6 adds a hardware cryptographic accelerator (AES, HASH, RNG, and secure key storage) that the STM32H743ZIT6 lacks. Both share the same 480 MHz Cortex-M7 core, 2 MB Flash, 1 MB RAM, and LQFP-144 footprint, so the H753 is pin-compatible with the H743 and code-compatible for most applications.
Is the STM32H753ZIT6 a drop-in replacement for the STM32H743ZIT6?
Yes, the STM32H753ZIT6 is pin-compatible with the STM32H743ZIT6 in the LQFP-144 package. ST community guidance confirms the only functional difference is the crypto hardware acceleration, so H743 firmware generally runs on the H753 without recompilation. Verify any security-peripheral initialization code before swapping.
What is the best drop-in replacement for the STM32H753ZIT6?
The STM32H753IIT6 is the closest drop-in replacement, sharing the same LQFP-176 package family, 480 MHz Cortex-M7 core, 2 MB Flash, and 1 MB RAM. The STM32H743ZIT6 is also pin-compatible in LQFP-144 but omits the crypto accelerator. Choose the H753IIT6 when you need more I/O pins.
Where can I buy the STM32H753ZIT6 online?
The STM32H753ZIT6 is stocked by DigiKey, Mouser, Newark, and Octopart-listed distributors as of 2026-10-10. DigiKey and Mouser both list the part with datasheet downloads and real-time inventory, while Octopart aggregates pricing across roughly ten distributors for bulk-quantity comparison.
What is the price of the STM32H753ZIT6?
As of 2026-10-10, the STM32H753ZIT6 is priced at approximately $18.42 for quantity 1, dropping to about $11.95 at quantity 1000. Distributor pricing varies with stock and lead time, so request a quote for volume orders above 1000 pieces.
What is the lead time for the STM32H753ZIT6?
Lead time for the STM32H753ZIT6 depends on distributor stock and is not fixed in the verified data. STMicroelectronics lists the device as active, and DigiKey, Mouser, and Newark all show inventory as of 2026-10-10. Contact the distributor directly for current factory lead times on large orders.
Is the STM32H753ZIT6 in stock?
The STM32H753ZIT6 is listed as available from DigiKey, Mouser, and Newark as of 2026-10-10. Stock levels fluctuate, so confirm real-time availability on the distributor page before committing to a production schedule.
What are the key specifications of the STM32H753ZIT6 that engineers should know?
The STM32H753ZIT6 combines a 480 MHz Arm Cortex-M7 core with double-precision FPU, 2 MB dual-bank Flash, 1 MB SRAM, a 16-bit 3.6 MSPS ADC, Ethernet MAC, USB OTG HS/FS, CAN FD, and a hardware crypto accelerator, all in a 144-pin LQFP package operating from 1.62 V to 3.6 V over -40 C to +85 C.
What is the best GigaDevice equivalent for the STM32H753ZIT6?
GigaDevice does not currently offer a pin-compatible Cortex-M7 equivalent to the STM32H753ZIT6 in LQFP-144. The GD32F103 is a drop-in replacement only for the much smaller STM32F103, not the H7 series. For H7-class performance, stay within the STM32H7 family or evaluate dual-core STM32H745/H747 parts.
Can the STM32H753ZIT6 be used for motor control applications?
Yes, the STM32H753ZIT6 is well suited to motor control. It includes advanced timers with complementary PWM outputs and dead-time insertion, a 16-bit ADC sampling at 3.6 MSPS for current-loop feedback, and the DSP instructions needed to run field-oriented control loops at high PWM frequencies.
Where can I download the STM32H753ZIT6 datasheet PDF?
The STM32H753ZIT6 datasheet PDF is available from the STMicroelectronics product page at st.com and from distributor sites such as DigiKey and Mouser. The document covers electrical characteristics, absolute maximum ratings, pinout, and package mechanical drawings for the LQFP-144 variant.
What is the operating voltage range of the STM32H753ZIT6?
The STM32H753ZIT6 operates from a supply voltage range of 1.62 V to 3.6 V. The core is powered through an integrated LDO/SMPS regulator, and the VDDA analog supply requires a dedicated filtered rail. This wide range supports both 1.8 V and 3.3 V system designs.

Datos de referencia de ingeniería para STM32H753ZIT6 — comparación, orientación de diseño e información de cumplimiento.

Guía de selección

Choose the STM32H753ZIT6 when your application needs a single high-performance Cortex-M7 core at 480 MHz, 2 MB of dual-bank Flash for live firmware updates, and on-chip hardware cryptography for secure boot or encrypted communication. It is the right part for industrial PLCs, motor drives, medical monitors, and secure network gateways. Choose the STM32H743ZIT6 instead if you do not need the crypto accelerator and want the lowest-cost H7 in the same LQFP-144 footprint. Choose the STM32H750ZBT6 only if your design already includes external memory, since its 128 KB internal Flash is insufficient for standalone operation. Choose the STM32H753IIT6 or STM32H753BGT6 when you need more I/O pins than LQFP-144 provides. Choose the STM32H745IIT6 when you want to split real-time control and user-interface tasks across two cores.

Comparación con alternativas

Parámetro Este producto STM32H743ZIT6 STM32H753IIT6 STM32H750ZBT6 STM32H753BGT6 STM32H745IIT6
Package LQFP-144 LQFP-144 - same LQFP-176 LQFP-144 - same LQFP-208 LQFP-176
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core / Frequency Cortex-M7 @ 480 MHz Cortex-M7 @ 480 MHz Cortex-M7 @ 480 MHz Cortex-M7 @ 480 MHz Cortex-M7 @ 480 MHz Cortex-M7 @ 480 MHz + Cortex-M4 @ 240 MHz
Flash Memory 2 MB dual-bank 2 MB dual-bank 2 MB dual-bank 128 KB 2 MB dual-bank 2 MB dual-bank
SRAM 1 MB 1 MB 1 MB 1 MB 1 MB 1 MB
Hardware Crypto Accelerator Yes (AES, HASH, RNG) No Yes No Yes No
Ethernet MAC 10/100 with DMA 10/100 with DMA 10/100 with DMA 10/100 with DMA 10/100 with DMA 10/100 with DMA
Supply Voltage 1.62 V to 3.6 V 1.62 V to 3.6 V 1.62 V to 3.6 V 1.62 V to 3.6 V 1.62 V to 3.6 V 1.62 V to 3.6 V
Operating Temperature -40 C to +85 C -40 C to +85 C -40 C to +85 C -40 C to +85 C -40 C to +85 C -40 C to +85 C

Diferenciadores clave

  • Hardware cryptographic accelerator integrated on-die (frente a STM32H743ZIT6)
  • 2 MB dual-bank Flash with read-while-write (frente a STM32H750ZBT6)
  • Single-core Cortex-M7 with full 480 MHz headroom (frente a STM32H745IIT6)

Notas de diseño

Decouple every VDD pin with a 100 nF ceramic capacitor placed as close to the pin as possible, plus at least one 4.7 uF bulk capacitor per supply domain. Feed VDDA through a ferrite bead from the digital 3.3 V rail and add a dedicated 100 nF plus 1 uF capacitor at the VDDA pin. The VCAP pin requires the regulator stabilization capacitor specified in the STM32H753xI datasheet; omitting it prevents the internal core regulator from starting.

Route the 32.768 kHz and HSE crystal traces as short, symmetric, guarded pairs with a solid ground reference directly beneath them, and keep switching nodes such as the SMPS inductor away from the crystal and analog pins. For the LQFP-144 land pattern, use the manufacturer-recommended pad geometry and place a grid of thermal vias under the exposed pad to spread heat into an internal ground plane.

Estimated: migrating from an STM32F7 design requires power-supply rework because the H7 uses an integrated LDO/SMPS regulator with software-controlled power modes instead of the F7 BYPASS_REG pin. Also verify BOOT0 and PDR_ON strapping before first power-up, and confirm that any security-peripheral initialization code is present when moving from STM32H743 to STM32H753, since the crypto block is the only functional difference.

Información de cumplimiento

RoHS
Compliant
REACH
Compliant
AEC-Q100
Libre de plomo
Libre de halógenos
Unknown
Minerales en conflicto
Compliant

RoHS and REACH compliance confirmed from distributor listings. The STM32H753ZIT6 is industrial grade (-40 C to +85 C) and is not AEC-Q100 qualified; automotive designs should evaluate STM32H7 automotive-grade variants.

Datos verificados el: 2026-10-10 — datos verificados y seleccionados por el equipo de ingeniería de componentes de XAIPART

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Componentes & términos relacionados

STMicroelectronics STM32H753ZIT6 STM32H743ZIT6 STM32H753IIT6 STM32H750ZBT6 STM32H745IIT6 Arm Cortex-M7 microcontroller MCU embedded microcontroller semiconductor LQFP-144 LQFP family surface mount dual-bank Flash Chrom-ART Accelerator hardware cryptographic accelerator Ethernet MAC CAN FD USB OTG HS/FS RoHS REACH AEC-Q100 field-oriented control real-time signal processing
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