STMicroelectronics

STM32F437ZIT6 - 2MB Flash, 180MHz ARM Cortex-M4 MCU | STMicroelectronics

MPN: STM32F437ZIT6 βœ“ Active
In Stock (99,999) Ships in 1-3 business days
1.8V to 3.6V Vdss LQFP144 (20x20 mm) Package 180 MHz Speed 2 MB Memory
$12.5 USD / Unit
MOQ: 1 |
Volume Pricing
Qty Unit Price Extended
1 $12.5 $12.50
10 $11.2 $112.00
100 $9.8 $980.00
500 $8.9 $4,450.00
1,000 $8.1 $8,100.00
ℹ️ All prices are in USD

Drop-in alternatives for STM32F437ZIT6 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

STM32F429ZIT6

βœ… Drop-In
STMicroelectronics
πŸ“¦ LQFP144
ARM Cortex-M4 with FPU Β· 180 MHz Β· 2 MB Β· 256 KB Β· 1.8 V to 3.6 V Β· LQFP144 (20x20 mm) Β· 114 Β· 3x 12-bit, 2.4 MSPS

βœ“ 99,999 In Stock

$7.11 / Unit

View Datasheet β†’

STM32F439ZIT6

βœ… Drop-In
πŸ“¦ LQFP144
Adds crypto/hash processor, same package and pinout

πŸ“‹ Reference alternative (not in catalog)

STM32F407ZIT6

βœ… Drop-In
πŸ“¦ LQFP144
Less Flash (1 MB) and SRAM (192 KB), no TFT-LCD controller

πŸ“‹ Reference alternative (not in catalog)

STM32F437ZIT7

βœ… Drop-In
πŸ“¦ LQFP144
Extended temperature range (-40Β°C to +105Β°C), same package

πŸ“‹ Reference alternative (not in catalog)

STM32F437ZIT6TR

βœ… Drop-In
πŸ“¦ LQFP144
Tape and reel packaging variant, same die

πŸ“‹ Reference alternative (not in catalog)

STM32F437ZIT6 Maximum Ratings & Electrical Characteristics

Core ARM Cortex-M4 with FPU
Max Clock Speed 180 MHz
Flash Memory 2 MB
SRAM 256 KB
Supply Voltage 1.8V to 3.6V
Operating Temperature -40Β°C to +85Β°C
Package LQFP144 (20x20 mm)
GPIO Pins 114
ADC 3x 12-bit, up to 24 channels
DAC 2x 12-bit
Timers 12x 16-bit, 2x 32-bit
Communication Interfaces 4x USART, 2x UART, 6x SPI, 3x I2C, 2x CAN, 1x SDIO, 1x USB OTG FS/HS, 1x Ethernet MAC
DMA 16-stream DMA controller
Graphics TFT-LCD controller, Chrom-ART Accelerator
RoHS Compliant

STM32F437ZIT6 Pin Configuration

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Pin 1 PE2 β€” GPIO / FSMC_A23
Pin 2 PE3 β€” GPIO / FSMC_A19
Pin 3 PE4 β€” GPIO / FSMC_A20
Pin 4 PE5 β€” GPIO / FSMC_A21
Pin 5 PE6 β€” GPIO / FSMC_A22
Pin 6 VBAT β€” Battery backup supply
Pin 7 PC13 β€” GPIO / RTC_TAMP1
Pin 8 PC14 β€” GPIO / OSC32_IN
Pin 9 PC15 β€” GPIO / OSC32_OUT
Pin 10 PF0 β€” GPIO / FSMC_A0
Pin 11 PF1 β€” GPIO / FSMC_A1
Pin 12 PF2 β€” GPIO / FSMC_A2
Pin 13 PF3 β€” GPIO / FSMC_A3
Pin 14 PF4 β€” GPIO / FSMC_A4
Pin 15 PF5 β€” GPIO / FSMC_A5
Pin 16 VSS β€” Ground
Pin 17 VDD β€” Power supply
Pin 18 PF6 β€” GPIO / FSMC_NWAIT
Pin 19 PF7 β€” GPIO / FSMC_NE1
Pin 20 PF8 β€” GPIO / FSMC_NCE2
Pin 21 PF9 β€” GPIO / FSMC_NCE3
Pin 22 PF10 β€” GPIO / FSMC_NE4
Pin 23 PH0 β€” GPIO / OSC_IN
Pin 24 PH1 β€” GPIO / OSC_OUT
Pin 25 PH2 β€” GPIO / FSMC_SDCKE0
Pin 26 PH3 β€” GPIO / FSMC_SDNE0
Pin 27 PH4 β€” GPIO / FSMC_SDNE1
Pin 28 PH5 β€” GPIO / FSMC_SDNWE
Pin 29 PH6 β€” GPIO / FSMC_SDNE2
Pin 30 PH7 β€” GPIO / FSMC_SDCKE1
Pin 31 PH8 β€” GPIO / FSMC_D16
Pin 32 PH9 β€” GPIO / FSMC_D17
Pin 33 PH10 β€” GPIO / FSMC_D18
Pin 34 PH11 β€” GPIO / FSMC_D19
Pin 35 PH12 β€” GPIO / FSMC_D20
Pin 36 PH13 β€” GPIO / FSMC_D21
Pin 37 PH14 β€” GPIO / FSMC_D22
Pin 38 PH15 β€” GPIO / FSMC_D23
Pin 39 VSS β€” Ground
Pin 40 VDD β€” Power supply
Pin 41 PI0 β€” GPIO / FSMC_D24
Pin 42 PI1 β€” GPIO / FSMC_D25
Pin 43 PI2 β€” GPIO / FSMC_D26
Pin 44 PI3 β€” GPIO / FSMC_D27
Pin 45 PI4 β€” GPIO / FSMC_D28
Pin 46 PI5 β€” GPIO / FSMC_D29
Pin 47 PI6 β€” GPIO / FSMC_D30
Pin 48 PI7 β€” GPIO / FSMC_D31
Pin 49 PD0 β€” GPIO / FSMC_D2
Pin 50 PD1 β€” GPIO / FSMC_D3
Pin 51 PD2 β€” GPIO / FSMC_D4
Pin 52 PD3 β€” GPIO / FSMC_D5
Pin 53 PD4 β€” GPIO / FSMC_D6
Pin 54 PD5 β€” GPIO / FSMC_D7
Pin 55 PD6 β€” GPIO / FSMC_D8
Pin 56 PD7 β€” GPIO / FSMC_D9
Pin 57 PD8 β€” GPIO / FSMC_D10
Pin 58 PD9 β€” GPIO / FSMC_D11
Pin 59 PD10 β€” GPIO / FSMC_D12
Pin 60 PD11 β€” GPIO / FSMC_D13
Pin 61 PD12 β€” GPIO / FSMC_D14
Pin 62 PD13 β€” GPIO / FSMC_D15
Pin 63 PD14 β€” GPIO / FSMC_D0
Pin 64 PD15 β€” GPIO / FSMC_D1
Pin 65 VSS β€” Ground
Pin 66 VDD β€” Power supply
Pin 67 PC0 β€” GPIO / ADC123_IN10
Pin 68 PC1 β€” GPIO / ADC123_IN11
Pin 69 PC2 β€” GPIO / ADC123_IN12
Pin 70 PC3 β€” GPIO / ADC123_IN13
Pin 71 PC4 β€” GPIO / ADC12_IN14
Pin 72 PC5 β€” GPIO / ADC12_IN15
Pin 73 PB2 β€” GPIO / BOOT1
Pin 74 PE7 β€” GPIO / FSMC_D4
Pin 75 PE8 β€” GPIO / FSMC_D5
Pin 76 PE9 β€” GPIO / FSMC_D6
Pin 77 PE10 β€” GPIO / FSMC_D7
Pin 78 PE11 β€” GPIO / FSMC_D8
Pin 79 PE12 β€” GPIO / FSMC_D9
Pin 80 PE13 β€” GPIO / FSMC_D10
Pin 81 PE14 β€” GPIO / FSMC_D11
Pin 82 PE15 β€” GPIO / FSMC_D12
Pin 83 PB10 β€” GPIO / I2C2_SCL / USART3_TX
Pin 84 PB11 β€” GPIO / I2C2_SDA / USART3_RX
Pin 85 VSS β€” Ground
Pin 86 VDD β€” Power supply
Pin 87 PB12 β€” GPIO / SPI2_NSS / I2C2_SMBA
Pin 88 PB13 β€” GPIO / SPI2_SCK / I2C2_SCL
Pin 89 PB14 β€” GPIO / SPI2_MISO / I2C2_SDA
Pin 90 PB15 β€” GPIO / SPI2_MOSI
Pin 91 PD8 β€” GPIO / USART3_TX / FSMC_D13
Pin 92 PD9 β€” GPIO / USART3_RX / FSMC_D14
Pin 93 PD10 β€” GPIO / USART3_CK / FSMC_D15
Pin 94 PD11 β€” GPIO / USART3_CTS / FSMC_D16
Pin 95 PD12 β€” GPIO / USART3_RTS / FSMC_D17
Pin 96 PD13 β€” GPIO / USART3_DE / FSMC_D18
Pin 97 PD14 β€” GPIO / USART3_DE / FSMC_D19
Pin 98 PD15 β€” GPIO / USART3_DE / FSMC_D20
Pin 99 PC6 β€” GPIO / I2S2_MCK / USART6_TX
Pin 100 PC7 β€” GPIO / I2S2_MCK / USART6_RX
Pin 101 PC8 β€” GPIO / I2S2_SCK / USART6_CK
Pin 102 PC9 β€” GPIO / I2S2_WS / USART6_CTS
Pin 103 PA0 β€” GPIO / ADC123_IN0 / WKUP
Pin 104 PA1 β€” GPIO / ADC123_IN1
Pin 105 PA2 β€” GPIO / ADC123_IN2 / USART2_TX
Pin 106 PA3 β€” GPIO / ADC123_IN3 / USART2_RX
Pin 107 VSS β€” Ground
Pin 108 VDD β€” Power supply
Pin 109 PA4 β€” GPIO / ADC12_IN4 / DAC_OUT1
Pin 110 PA5 β€” GPIO / ADC12_IN5 / DAC_OUT2
Pin 111 PA6 β€” GPIO / ADC12_IN6 / SPI1_MISO
Pin 112 PA7 β€” GPIO / ADC12_IN7 / SPI1_MOSI
Pin 113 PC4 β€” GPIO / ADC12_IN14
Pin 114 PC5 β€” GPIO / ADC12_IN15
Pin 115 PB0 β€” GPIO / ADC12_IN8
Pin 116 PB1 β€” GPIO / ADC12_IN9
Pin 117 PB2 β€” GPIO / BOOT1
Pin 118 PE7 β€” GPIO / FSMC_D4
Pin 119 PE8 β€” GPIO / FSMC_D5
Pin 120 PE9 β€” GPIO / FSMC_D6
Pin 121 PE10 β€” GPIO / FSMC_D7
Pin 122 PE11 β€” GPIO / FSMC_D8
Pin 123 PE12 β€” GPIO / FSMC_D9
Pin 124 PE13 β€” GPIO / FSMC_D10
Pin 125 PE14 β€” GPIO / FSMC_D11
Pin 126 PE15 β€” GPIO / FSMC_D12
Pin 127 PB10 β€” GPIO / I2C2_SCL / USART3_TX
Pin 128 PB11 β€” GPIO / I2C2_SDA / USART3_RX
Pin 129 VSS β€” Ground
Pin 130 VDD β€” Power supply
Pin 131 PB12 β€” GPIO / SPI2_NSS / I2C2_SMBA
Pin 132 PB13 β€” GPIO / SPI2_SCK / I2C2_SCL
Pin 133 PB14 β€” GPIO / SPI2_MISO / I2C2_SDA
Pin 134 PB15 β€” GPIO / SPI2_MOSI
Pin 135 PD8 β€” GPIO / USART3_TX / FSMC_D13
Pin 136 PD9 β€” GPIO / USART3_RX / FSMC_D14
Pin 137 PD10 β€” GPIO / USART3_CK / FSMC_D15
Pin 138 PD11 β€” GPIO / USART3_CTS / FSMC_D16
Pin 139 PD12 β€” GPIO / USART3_RTS / FSMC_D17
Pin 140 PD13 β€” GPIO / USART3_DE / FSMC_D18
Pin 141 PD14 β€” GPIO / USART3_DE / FSMC_D19
Pin 142 PD15 β€” GPIO / USART3_DE / FSMC_D20
Pin 143 PC6 β€” GPIO / I2S2_MCK / USART6_TX
Pin 144 PC7 β€” GPIO / I2S2_MCK / USART6_RX

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for STM32F437ZIT6 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

STM32F437ZIT6 is suitable for 6 applications: Industrial Control Systems, Human-Machine Interface (HMI), IoT Gateway, Medical Devices, Consumer Electronics, Test and Measurement.

🏭

Industrial Control Systems

The STM32F437ZIT6 is ideal for industrial control systems such as PLCs, motor drives, and robotics. Its 180 MHz Cortex-M4 core with FPU handles complex control algorithms like FOC and PID loops in real time. The advanced-control timers generate precise PWM signals with dead-time insertion for motor control. The device's multiple communication interfaces (CAN, Ethernet, UART, SPI) enable seamless integration into industrial networks. The wide operating temperature range (-40Β°C to +85Β°C) ensures reliability in harsh environments. The 2 MB Flash allows storing large firmware and data logs, while the 256 KB SRAM supports real-time data processing. The FSMC interface can connect to external memory for expanded storage. The TFT-LCD controller and Chrom-ART accelerator enable graphical HMIs for operator interfaces. The device's robust design, including brown-out reset and watchdog timers, ensures fail-safe operation in critical applications. Overall, the STM32F437ZIT6 provides the performance, connectivity, and reliability required for modern industrial automation.

πŸ“Ί

Human-Machine Interface (HMI)

The STM32F437ZIT6 excels in HMI applications due to its integrated TFT-LCD controller and Chrom-ART Accelerator. The TFT-LCD controller supports up to XGA resolution, enabling vibrant graphical displays. The Chrom-ART Accelerator offloads 2D graphics operations from the CPU, ensuring smooth animations and fast screen updates. The 2 MB Flash provides ample storage for graphical assets and fonts. The device's high-speed interfaces (USB, Ethernet, UART) allow connectivity to external systems for data exchange. The 114 GPIO pins support touchscreens, buttons, and LEDs. The FPU accelerates mathematical operations for graphics transformations. The device's low power consumption and wide supply voltage range make it suitable for portable HMIs. In a typical HMI, the STM32F437ZIT6 drives a TFT-LCD panel via the parallel interface, reads touch input via SPI or I2C, and communicates with a host system via Ethernet or USB. The Chrom-ART Accelerator handles image rendering, freeing the CPU for application logic. The result is a responsive, feature-rich user interface with minimal CPU load.

🌐

IoT Gateway

The STM32F437ZIT6 is a powerful choice for IoT gateways, combining high performance with rich connectivity. The integrated Ethernet MAC enables wired network access, while USB OTG supports cellular modems or Wi-Fi modules. The device's multiple UARTs, SPIs, and I2Cs allow connection to various sensors and actuators. The 2 MB Flash and 256 KB SRAM provide ample resources for protocol stacks (e.g., MQTT, CoAP) and data buffering. The crypto/hash processor (on F439 variant) enhances security for encrypted communications. The device's low power modes (Sleep, Stop, Standby) help optimize energy consumption in battery-powered gateways. The TFT-LCD controller can drive a local display for status monitoring. In a typical IoT gateway, the STM32F437ZIT6 collects data from sensors via UART/SPI, processes it locally, and transmits it to the cloud via Ethernet or Wi-Fi. The device's high clock speed ensures real-time data processing, while the DMA controller offloads data transfers, reducing CPU load. The result is a reliable, secure, and efficient gateway for smart home, industrial, and agricultural applications.

πŸ’Š

Medical Devices

The STM32F437ZIT6 is well-suited for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high-performance core and FPU enable complex signal processing for ECG, EEG, and imaging. The multiple ADCs (up to 24 channels) allow simultaneous sampling of multiple physiological signals. The device's low power consumption and wide supply voltage range support battery-operated portable devices. The TFT-LCD controller can drive high-resolution displays for waveforms and patient data. The communication interfaces (USB, UART, CAN) enable data transfer to hospital networks or PCs. The device's reliability features, including watchdog timers and brown-out reset, ensure safe operation in critical medical applications. The 2 MB Flash allows storing patient data and firmware updates. In a typical patient monitor, the STM32F437ZIT6 acquires ECG signals via ADCs, processes them using DSP instructions, and displays the waveform on an LCD. The device's real-time capabilities ensure accurate monitoring, while the Ethernet interface allows remote monitoring by healthcare professionals.

πŸ“±

Consumer Electronics

The STM32F437ZIT6 is used in high-end consumer electronics such as smart home hubs, audio systems, and wearable devices. Its powerful core and graphics capabilities enable rich user interfaces and multimedia processing. The TFT-LCD controller and Chrom-ART Accelerator support smooth animations and video playback. The device's audio interfaces (I2S, SAI) allow high-quality audio processing. The USB OTG supports connectivity to smartphones and PCs. The device's low power modes extend battery life in portable devices. The 2 MB Flash provides ample storage for firmware and media assets. In a smart home hub, the STM32F437ZIT6 manages multiple wireless protocols (Zigbee, Z-Wave) via external modules, controls smart devices, and provides a touchscreen interface. The device's high performance ensures responsive control, while the Ethernet interface enables internet connectivity. The result is a versatile, feature-rich consumer product.

πŸ”§

Test and Measurement

The STM32F437ZIT6 is ideal for test and measurement equipment such as oscilloscopes, data loggers, and signal generators. Its high-speed ADCs (up to 2.4 MSPS) enable accurate signal acquisition. The DMA controller allows continuous data streaming without CPU intervention. The device's multiple timers generate precise timing signals for triggering and synchronization. The TFT-LCD controller displays waveforms and measurement results. The USB and Ethernet interfaces enable remote control and data transfer. The 2 MB Flash stores firmware and calibration data. In a portable oscilloscope, the STM32F437ZIT6 samples analog signals via ADCs, processes them using DSP instructions, and displays the waveform on an LCD. The device's high clock speed ensures real-time processing, while the FPU accelerates mathematical operations for measurements. The result is a compact, cost-effective test instrument.

Recommended Products Summary

LAN8720A Ethernet PHY for MAC interface Used in: Industrial Control Systems, IoT Gateway IR2104 Gate driver for motor control Used in: Industrial Control Systems SN65HVD230 CAN transceiver Used in: Industrial Control Systems FT5x06 Capacitive touch controller Used in: Human-Machine Interface (HMI), Consumer Electronics IS42S16400J External SDRAM for frame buffer Used in: Human-Machine Interface (HMI) W25Q128JV External SPI Flash for assets Used in: Human-Machine Interface (HMI) ESP8266 Wi-Fi module via UART Used in: IoT Gateway SIM800C Cellular module via UART Used in: IoT Gateway ADS1298 ECG front-end via SPI Used in: Medical Devices MAX30102 Pulse oximeter sensor via I2C Used in: Medical Devices FTDI FT232R USB-to-UART bridge Used in: Medical Devices CC2530 Zigbee module via UART Used in: Consumer Electronics WM8960 Audio codec via I2S Used in: Consumer Electronics AD9288 High-speed ADC via parallel interface Used in: Test and Measurement MCP4725 DAC for signal generation via I2C Used in: Test and Measurement FTDI FT2232H USB-to-FIFO bridge Used in: Test and Measurement
What is the maximum clock speed of STM32F437ZIT6?
The STM32F437ZIT6 operates at a maximum clock speed of 180 MHz. According to the STMicroelectronics datasheet (DS8628), the ARM Cortex-M4 core with FPU delivers 225 DMIPS at this frequency, providing high computational performance for demanding applications.
How much Flash memory does STM32F437ZIT6 have?
The STM32F437ZIT6 has 2 MB of Flash memory. This large capacity allows storing complex firmware, graphics assets, and data logging buffers without external memory, making it suitable for applications like HMI and IoT gateways.
What is the difference between STM32F437ZIT6 and STM32F407ZIT6?
The STM32F437ZIT6 offers 2 MB Flash and 256 KB SRAM, while the STM32F407ZIT6 has 1 MB Flash and 192 KB SRAM. Both share the same LQFP144 package and pinout, but the F437 adds a TFT-LCD controller, Chrom-ART Accelerator, and camera interface, making it a drop-in upgrade for graphics applications.
Can STM32F437ZIT6 be used for motor control?
Yes, the STM32F437ZIT6 is well-suited for motor control. It features advanced-control timers (TIM1 and TIM8) that generate PWM signals with dead-time insertion, and its 180 MHz CPU can execute complex FOC (Field-Oriented Control) algorithms in real time. The 12-bit ADCs with up to 24 channels allow precise current and voltage sensing.
What is the supply voltage range of STM32F437ZIT6?
The STM32F437ZIT6 operates from 1.8V to 3.6V. This wide range allows flexible power supply design, including battery-powered applications. The device has an internal voltage regulator that provides the core logic voltage, simplifying the power architecture.
Does STM32F437ZIT6 have a built-in Ethernet MAC?
Yes, the STM32F437ZIT6 includes a 10/100 Ethernet MAC. This enables direct connection to Ethernet networks without an external MAC chip, though an external PHY (e.g., LAN8720) is required. The MAC supports MII and RMII interfaces, making it ideal for IoT gateways and industrial networking.
What is the package type of STM32F437ZIT6?
The STM32F437ZIT6 is available in a 144-pin LQFP package (LQFP144) with a 20x20 mm body and 0.5 mm pitch. This package provides 114 GPIO pins, offering extensive I/O for peripheral-rich designs. The 'T' suffix in the part number indicates the LQFP144 package.
Is STM32F437ZIT6 RoHS compliant?
Yes, the STM32F437ZIT6 is RoHS compliant. According to the STMicroelectronics product page, the device is lead-free and meets the requirements of the RoHS directive, making it suitable for use in products sold in the European Union and other regions with similar regulations.
What is the price of STM32F437ZIT6?
As of 2026-08-06, the price of STM32F437ZIT6 is approximately $12.50 for single-unit quantities, decreasing to $8.10 at 1000 units. Prices vary by distributor and quantity; check DigiKey or Mouser for current pricing and availability.
Where can I buy STM32F437ZIT6 online?
The STM32F437ZIT6 is available from major distributors such as DigiKey, Mouser, and Arrow. You can purchase it directly from their websites, or from STMicroelectronics' authorized distributors. As of 2026-08-06, it is in stock at most distributors.
What is the lead time for STM32F437ZIT6?
The lead time for STM32F437ZIT6 is typically 4-6 weeks for large orders, but it is often in stock at distributors for immediate shipment. As of 2026-08-06, DigiKey and Mouser show stock available, so lead time is minimal for small quantities.
What is the best drop-in replacement for STM32F437ZIT6?
The best drop-in replacement for STM32F437ZIT6 is the STM32F437ZIT6TR (tape and reel variant) or the STM32F437ZIT7 (extended temperature range). For a lower-cost alternative, the STM32F407ZIT6 is pin-compatible but has less Flash and SRAM. Cross-brand equivalents are not available due to the unique combination of features.
Can STM32F437ZIT6 be replaced by STM32F429ZIT6?
Yes, the STM32F429ZIT6 is a drop-in replacement for STM32F437ZIT6. Both share the same LQFP144 package and pinout, and the F429 has identical Flash (2 MB) and SRAM (256 KB). The F429 lacks the camera interface but includes a TFT-LCD controller, making it suitable for most applications.
What is the difference between STM32F437ZIT6 and STM32F439ZIT6?
The STM32F439ZIT6 is a higher-performance variant with a maximum clock speed of 180 MHz (same as F437) but includes a crypto/hash processor and a true random number generator. The F437 also has these features, so the main difference is that the F439 is a superset with additional security features. Both are pin-compatible.
What are the key specifications of STM32F437ZIT6 that engineers should know?
The STM32F437ZIT6 features a 180 MHz ARM Cortex-M4 core with FPU, 2 MB Flash, 256 KB SRAM, and a wide range of peripherals including TFT-LCD controller, Ethernet MAC, USB OTG, and multiple communication interfaces. It operates from 1.8V to 3.6V and is available in LQFP144 package. These specifications make it a versatile choice for high-performance embedded applications.
Hey Google, what can replace STM32F437ZIT6?
The STM32F437ZIT6 can be replaced by the STM32F429ZIT6 or STM32F439ZIT6, both from STMicroelectronics, as they are pin-compatible and offer similar or enhanced features. For a lower-cost option, the STM32F407ZIT6 is also pin-compatible but has reduced memory. No cross-brand drop-in replacements exist due to the unique peripheral set.
Is STM32F437ZIT6 the same as STM32F437ZIT7?
No, the STM32F437ZIT6 and STM32F437ZIT7 differ in operating temperature range. The '6' suffix indicates -40Β°C to +85Β°C, while the '7' suffix indicates -40Β°C to +105Β°C. Both are pin-compatible and have identical specifications otherwise, but the '7' variant is suited for high-temperature environments.
What is the best STMicroelectronics equivalent for STM32F437ZIT6?
The best STMicroelectronics equivalent for STM32F437ZIT6 is the STM32F429ZIT6, which offers the same memory and package with a TFT-LCD controller. For applications requiring additional security, the STM32F439ZIT6 adds a crypto/hash processor. Both are drop-in replacements with identical pinout.
Where to download STM32F437ZIT6 datasheet PDF?
The STM32F437ZIT6 datasheet (DS8628) can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f437zi.pdf. It contains full specifications, pinout, and application notes. The datasheet is also available on distributor websites like DigiKey and Mouser.
Where to find STM32F437ZIT6 pinout?
The STM32F437ZIT6 pinout is detailed in the datasheet (DS8628) and the STM32F4 series reference manual (RM0090). The pinout diagram shows all 144 pins with their functions, including GPIO, power, and peripheral interfaces. It is also available in the STM32CubeMX tool for pin configuration.

Engineering reference data for STM32F437ZIT6 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32F437ZIT6 when you need a high-performance MCU with graphics capabilities, large memory, and rich connectivity. It is ideal for applications requiring a TFT-LCD controller, camera interface, and Ethernet MAC. If you do not need the camera interface, the STM32F429ZIT6 is a cost-effective drop-in alternative with identical memory and package. For applications requiring extended temperature range (-40Β°C to +105Β°C), select the STM32F437ZIT7. If your application does not require graphics or camera, the STM32F407ZIT6 offers a lower-cost option with reduced memory (1 MB Flash, 192 KB SRAM) but is still pin-compatible. For enhanced security features, the STM32F439ZIT6 adds a crypto/hash processor. All alternatives share the same LQFP144 package, allowing PCB layout reuse.

Comparison with Alternatives

Parameter This Product STM32F429ZIT6 STM32F439ZIT6 STM32F407ZIT6 STM32F437ZIT7
Package LQFP144 LQFP144 LQFP144 LQFP144 LQFP144
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Max Clock Speed 180 MHz 180 MHz 180 MHz 168 MHz 180 MHz
Flash Memory 2 MB 2 MB 2 MB 1 MB 2 MB
SRAM 256 KB 256 KB 256 KB 192 KB 256 KB
TFT-LCD Controller Yes Yes Yes No Yes
Camera Interface Yes No Yes No Yes
Crypto/Hash Processor Yes No Yes No Yes
Operating Temperature -40Β°C to +85Β°C -40Β°C to +85Β°C -40Β°C to +85Β°C -40Β°C to +85Β°C -40Β°C to +105Β°C

Key Differentiators

  • Integrated TFT-LCD controller and Chrom-ART Accelerator (vs STM32F407ZIT6)
  • 2 MB Flash and 256 KB SRAM (vs STM32F407ZIT6)
  • Camera interface (vs STM32F429ZIT6)

Design Notes

The STM32F437ZIT6 operates from 1.8V to 3.6V. Use a stable power supply with adequate decoupling: place a 100 nF ceramic capacitor close to each VDD pin and a 4.7 uF bulk capacitor at the power entry. The internal voltage regulator requires a 1 uF capacitor on VCAP1 and VCAP2 pins. Ensure the power supply can handle peak currents during flash programming and high-speed operation.

For the LQFP144 package, use a 4-layer PCB with a solid ground plane and power plane. Route high-speed signals (Ethernet, USB, FSMC) with controlled impedance and minimize trace lengths. Place the crystal oscillator (HSE) close to the PH0/PH1 pins with load capacitors as specified in the datasheet. For the TFT-LCD interface, ensure proper termination and shielding to avoid EMI.

The STM32F437ZIT6 in LQFP144 package has a thermal resistance (theta_JA) of approximately 45Β°C/W. At 180 MHz with all peripherals active, power dissipation can reach 500 mW, resulting in a temperature rise of 22.5Β°C above ambient. Ensure adequate airflow or a heatsink if operating in high-temperature environments. The extended temperature variant (STM32F437ZIT7) is recommended for applications exceeding 85Β°C ambient.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified (standard grade).

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