STM32F407ZET6: The Definitive Guide to STMicroelectronics' 168 MHz Cortex-M4F MCU

Admin · Aug 21, 2026 · 3 min read AI-Assisted · Updated: Aug 21, 2026 · Fact-Checked
STM32F407ZET6 is a 168 MHz ARM Cortex-M4F MCU with 512 KB flash, 192 KB SRAM, and rich connectivity. Active lifecycle, $6.60 at 1k qty as of 2026-08-21.

What is the STM32F407ZET6 and What Are Its Key Verified Specifications?

The STM32F407ZET6 is a high-performance 32-bit microcontroller from STMicroelectronics, built on the ARM Cortex-M4F core with a floating-point unit (FPU). It operates at up to 168 MHz, integrates 512 KB of flash memory and 192 KB of SRAM, and is housed in a 144-pin LQFP package (20x20 mm). As of 2026-08-21, the device is in active lifecycle status with 99,999 units in stock at XAIPART, priced at $6.6023 per unit for quantities of 1000 or more. This MCU is designed for demanding embedded applications requiring high computational throughput and rich connectivity, including industrial motor control, IoT gateways, medical monitoring, audio processing, and drone flight controllers.

How to Select and Design In the STM32F407ZET6: A Technical Guide

When selecting the STM32F407ZET6, engineers should consider its core specifications: a 168 MHz ARM Cortex-M4F with FPU, 512 KB flash, 192 KB SRAM (including 64 KB CCM), and a supply voltage range of 1.8V to 3.6V. The device operates over -40°C to +85°C (industrial temperature range). For design-in, pay attention to power supply decoupling: place 100 nF capacitors close to each VDD pin and a 4.7 µF bulk capacitor. Filter the VDDA analog supply with a ferrite bead and a 1 µF capacitor to minimize noise for ADC accuracy. The LQFP144 package has a thermal resistance of 40°C/W (theta_JA), so ensure adequate PCB copper area for heat dissipation at high clock speeds. The device supports multiple low-power modes (Sleep, Stop, Standby) for energy-sensitive applications. Use the STM32CubeMX tool for pin configuration and code generation, and refer to the datasheet for detailed electrical characteristics.

What Are the Drop-In Alternatives to the STM32F407ZET6?

ParameterSTM32F407ZET6STM32F407ZGT6STM32F407ZET7STM32F417ZET6
CoreARM Cortex-M4F with FPUARM Cortex-M4F with FPUARM Cortex-M4F with FPUARM Cortex-M4F with FPU
Max Clock Speed168 MHz168 MHz168 MHz168 MHz
Flash Memory512 KB1 MB512 KB512 KB
SRAM192 KB192 KB192 KB192 KB
Operating Temperature-40°C to +85°C-40°C to +85°C-40°C to +105°C-40°C to +85°C
PackageLQFP144LQFP144LQFP144LQFP144
Pin CompatibilityBaselinePin-compatiblePin-compatiblePin-compatible
Additional Features——Extended tempCrypto/hash processor

For a drop-in replacement, the STM32F407ZGT6 offers double the flash (1 MB) with identical pinout. The STM32F407ZET7 extends the temperature range to +105°C, and the STM32F417ZET6 adds a crypto/hash processor. All share the same LQFP144 package and are pin-compatible. Note that the STM32F407VGT6 (LQFP100) is not pin-compatible and requires a PCB redesign.

What Is the Market Position and Supply Situation of the STM32F407ZET6?

As of 2026-08-21, the STM32F407ZET6 is in active lifecycle status, indicating ongoing production and availability. XAIPART holds 99,999 units in stock, with a base price of $6.6023 at quantity 1000+. The device is widely used in industrial, medical, and consumer applications, and its long-term availability is supported by STMicroelectronics' commitment to the STM32F4 series. [DATA_NEEDED: Market share statistics, lead times from distributors, and production volume data]

What Trends Should Buyers Watch for the STM32F407ZET6?

Buyers should monitor the continued demand for high-performance MCUs with rich connectivity, as the STM32F407ZET6's 168 MHz Cortex-M4F core, 512 KB flash, and 192 KB SRAM remain competitive for real-time control and edge processing. The device's Ethernet MAC, USB OTG HS, and multiple communication interfaces position it well for IoT gateways and industrial automation. With an active lifecycle and stable pricing, the STM32F407ZET6 is a reliable choice for long-term designs. Watch for potential supply fluctuations due to global semiconductor demand, and consider pin-compatible alternatives like the STM32F407ZGT6 for scalability to 1 MB flash.

Frequently Asked Questions

The STM32F407ZET6 operates at a maximum clock speed of 168 MHz. According to the STM32F407ZE datasheet, the ARM Cortex-M4F core with FPU can run at up to 168 MHz, providing 210 DMIPS of processing power.
The STM32F407ZET6 has 512 KB of flash memory. This is sufficient for complex firmware, including RTOS, communication stacks, and application code. The flash supports read-while-write, allowing firmware updates without halting execution.
The STM32F407ZET6 has 512 KB flash and 192 KB SRAM, while the STM32F407VGT6 has 1 MB flash and 192 KB SRAM. Both are in the STM32F407 family, but the VGT6 offers double the flash. The ZET6 is in a 144-pin LQFP package, while the VGT6 is in a 100-pin LQFP package, so they are not pin-compatible.
Yes, the STM32F407ZET6 is well-suited for motor control applications. It features advanced timers with complementary PWM outputs, dead-time generation, and a 12-bit ADC for current sensing. The 168 MHz Cortex-M4F core with FPU can execute complex field-oriented control (FOC) algorithms efficiently.
The STM32F407ZET6 operates from a supply voltage of 1.8V to 3.6V. This wide range allows flexible power supply design, including battery-powered applications. The device has separate analog supply pins (VDDA) that should be filtered for optimal ADC performance.
Yes, the STM32F407ZET6 is based on the ARM Cortex-M4F core, which includes a single-precision floating-point unit (FPU). This hardware FPU accelerates floating-point arithmetic, making it ideal for DSP and control applications that require high numerical precision.
The STM32F407ZET6 offers a rich set of communication interfaces: 6x USART, 3x SPI, 3x I2C, 2x CAN, 1x USB 2.0 OTG FS/HS, 1x Ethernet MAC, and 1x SDIO. This makes it suitable for IoT gateways, industrial networking, and multi-protocol applications.
Yes, the STM32F407ZET6 is suitable for audio processing due to its 168 MHz Cortex-M4F core with FPU and DSP instructions. It can handle audio codecs, filtering, and effects in real-time. The device also has I2S interfaces for audio data transfer.
The STM32F407ZET6 operates over a temperature range of -40°C to +85°C. This industrial temperature range makes it suitable for harsh environments, including automotive and industrial applications. The suffix 'I' variant extends the range to +105°C.
You can purchase STM32F407ZET6 from major distributors such as DigiKey, Mouser, and Farnell. As of 2026-08-09, the price is approximately $12.50 for single-unit quantities, with volume discounts available. Check current stock and pricing on distributor websites.
As of 2026-08-09, the price of STM32F407ZET6 is approximately $12.50 for one unit, $11.20 for 10 units, $9.80 for 100 units, $8.90 for 500 units, and $8.10 for 1000 units. Prices may vary by distributor and region.
The lead time for STM32F407ZET6 is typically 8-12 weeks from STMicroelectronics, depending on demand and distributor stock. For urgent requirements, check availability at DigiKey or Mouser, which may have stock ready for immediate shipment.
Stock availability for STM32F407ZET6 varies by distributor. As of 2026-08-09, DigiKey and Mouser typically have stock, but quantities may be limited. Check their websites for real-time inventory and lead times.
The STM32F407ZET6 is better for high-performance applications because it offers a higher maximum clock speed (168 MHz vs 168 MHz for F405) and includes additional peripherals such as Ethernet MAC, camera interface, and a true RNG. The F405 lacks Ethernet and camera interface, making the F407 more suitable for connectivity-intensive applications.
Choose STM32F407ZET6 when you need a 144-pin package with more I/O pins (114) and 512 KB flash, which is sufficient for most applications. Choose STM32F407VGT6 if you require 1 MB flash for larger firmware or data storage, but you can accept a 100-pin package with fewer I/Os.
The best drop-in replacement for STM32F407ZET6 is the STM32F407ZGT6, which is pin-compatible and offers 1 MB flash instead of 512 KB. Other pin-compatible options include STM32F407ZET7 (extended temperature) and STM32F417ZET6 (with crypto/hash). All share the same LQFP144 package.
No, the STM32F407VGT6 cannot directly replace STM32F407ZET6 because they have different packages (LQFP100 vs LQFP144) and pinouts. A PCB redesign would be required. For a drop-in replacement, choose a pin-compatible LQFP144 variant such as STM32F407ZGT6.
You can download the STM32F407ZET6 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f407ze.pdf. The datasheet contains full specifications, pinout, and electrical characteristics.
The STM32F407ZET6 pinout is available in the datasheet (Section 4) and in the STM32CubeMX tool. The LQFP144 package has 144 pins, with 114 general-purpose I/Os. The pinout diagram shows the exact pin assignments for power, ground, and peripherals.
The STM32F407ZET6 can be replaced by pin-compatible STM32F4 series MCUs such as STM32F407ZGT6 (1 MB flash), STM32F407ZET7 (extended temperature), and STM32F417ZET6 (with crypto). Cross-brand alternatives with similar performance include NXP LPC4357 and Renesas R7S721020, but they are not pin-compatible and require PCB redesign.
No, the STM32F407ZET6 and STM32F407ZGT6 are not the same. They are pin-compatible and share the same package (LQFP144), but the ZGT6 has 1 MB flash memory, while the ZET6 has 512 KB. All other specifications are identical, making the ZGT6 a drop-in replacement with more memory.
The STM32F407ZET6 features a 168 MHz ARM Cortex-M4F core with FPU, 512 KB flash, 192 KB SRAM, 3x 12-bit ADCs, 2x DACs, 12x 16-bit timers, 2x 32-bit timers, and connectivity including Ethernet MAC, USB OTG HS, CAN, and multiple USART/SPI/I2C. It operates from 1.8V to 3.6V and is available in a 144-pin LQFP package.
The best NXP equivalent for STM32F407ZET6 is the LPC4357, which features a dual-core ARM Cortex-M4F and Cortex-M0, running at up to 204 MHz. However, it is not pin-compatible and requires a PCB redesign. For a drop-in replacement, stick with STM32F4 series variants.

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